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       # MOTOROLA, INC.
       
          HMTA 200 V.32BIS
       
          Card Type              ISDN TA                                 
          Chip Set               Motorola                                
          ISDN Transfer Rate     64Kbps x 2                              
          Maximum Modem Rate     14.4Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Fax Class              Unidentified                            
          Data Bus               External                                
          ISDN Protocol          V.120, PPP, AIMux, Bonding              
          Data Modulation        Bell 103A/212A                          
          Protocol                                                       
                                 ITU-T V.21, V.22bis, V.23, V.32,        
                                 V.32bis                                 
            Fax Modulation       Unidentified                            
            Protocol             
          Switch Type            5ESS, DMS-100, NI-1                     
          Error                  MNP5, V.42bis                           
          Correction/Compression 
       
                            Proprietary AT Command Set
       
                                                                   V2152
       
          +------------------------------------------------------------+
          |                    AUTO-RELIABLE BUFFER                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the behaviour of the buffer during     |
          |              | auro-reliable negotiation.                  |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í \C0     | Auto-reliable buffer disabled.             |
          |---------------+--------------------------------------------|
          |      \C1      | Modem will buffer data for four seconds or |
          |               | 200 bytes.                                 |
          |---------------+--------------------------------------------|
          |      \C2      | Modem will fall back to normal mode if     |
          |               | fallback character received.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BEARER CALL - 3.1KHz AUDIO                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A94=x [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects how the TA will answer an incoming  |
          |              | 3.1KHz audio BC call.                       |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |    %A94=D     | TA will not answer 3.1KHz audio BC calls.  |
          |---------------+--------------------------------------------|
          |    %A94=E     | TA will answer 3.1KHz audio BC calls as    |
          |               | ISDN.                                      |
          |---------------+--------------------------------------------|
          |   í %A94=M    | TA will answer 3.1KHz audio BC calls with  |
          |               | the modem.                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     BEARER CALL - DATA                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A95=x [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects how the TA will answer an incoming  |
          |              | data BC call.                               |
          |------------------------------------------------------------|
          |     Command     |                 Function                 |
          |-----------------+------------------------------------------|
          |     %A93=D      | TA will not answer data BC calls.        |
          |-----------------+------------------------------------------|
          |    í %A93=E     | TA will answer data BC calls as ISDN.    |
          |-----------------+------------------------------------------|
          |     %A93=M      | TA will answer data BC calls with the    |
          |                 | modem.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    BEARER CALL - SPEECH                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A93=x [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects how the TA will answer an incoming  |
          |              | speech BC call.                             |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |     %A93=D     | TA will not answer speech BC calls.       |
          |----------------+-------------------------------------------|
          |     %A93=E     | TA will answer speech BC calls as ISDN.   |
          |----------------+-------------------------------------------|
          |    í %A93=M    | TA will answer speech BC calls with the   |
          |                | modem.                                    |
          +------------------------------------------------------------+
       
         +----------------------------------------------------------------+
         |                           BREAK TYPE                           |
         |----------------------------------------------------------------|
         |Type:             |Configuration                                |
         |------------------+---------------------------------------------|
         |Format:           |AT [cmds] \Kn [cmds]                         |
         |------------------+---------------------------------------------|
         |Description:      |Configures action of break signal.           |
         |----------------------------------------------------------------|
         | Command |Break from DTE | Break from |   Modem    | Break from |
         |         |               |    DTE     |receives \B |remote modem|
         |         |Reliable/Normal|            |            |            |
         |         |     mode      |Direct mode |            |            |
         |---------+---------------+------------+------------+------------|
         |   \K0   |Enter command  |Send break  |Buffers     |Buffers     |
         |         |mode, do not   |to remote   |cleared and |cleared and |
         |         |send break to  |modem       |break sent  |break sent  |
         |         |remote modem.  |immediately,|to remote   |to DTE.     |
         |         |               |then enter  |modem.      |            |
         |         |               |command     |            |            |
         |         |               |mode.       |            |            |
         |---------+---------------+------------+------------+------------|
         |   \K1   |Buffers cleared|Send break  |Buffers     |Buffers     |
         |         |and break sent |to remote   |cleared and |cleared and |
         |         |to remote      |modem       |break sent  |break sent  |
         |         |modem.         |immediately.|to remote   |to DTE.     |
         |         |               |            |modem.      |            |
         |---------+---------------+------------+------------+------------|
         |   \K2   |Enter command  |Send break  |Send break  |Send break  |
         |         |mode, do not   |to remote   |to remote   |to DTE      |
         |         |send break to  |modem       |modem       |immediately.|
         |         |remote modem.  |immediately,|immediately.|            |
         |         |               |then enter  |            |            |
         |         |               |command     |            |            |
         |         |               |mode.       |            |            |
         |---------+---------------+------------+------------+------------|
         |   \K3   |Send break to  |Send break  |Send break  |Send break  |
         |         |remote modem   |to remote   |to remote   |to DTE      |
         |         |immediately.   |modem       |modem       |immediately.|
         |         |               |immediately.|immediately.|            |
         |---------+---------------+------------+------------+------------|
         |   \K4   |Enter command  |Send break  |Send break  |Break sent  |
         |         |mode, do not   |to remote   |to remote   |with        |
         |         |send break to  |modem       |modem with  |received    |
         |         |remote modem.  |immediately,|transmitted |data to the |
         |         |               |then enter  |data.       |DTE.        |
         |         |               |command     |            |            |
         |         |               |mode.       |            |            |
         |---------+---------------+------------+------------+------------|
         |  í \K5  |Send break with|Send break  |Send break  |Break sent  |
         |         |transmitted    |to remote   |to remote   |with        |
         |         |data.          |modem       |modem with  |received    |
         |         |               |immediately.|transmitted |data to the |
         |         |               |            |data.       |DTE.        |
         +----------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CALLER ID                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @N0=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Enables the Caller ID function.             |
          |------------------------------------------------------------|
          |       Command        |              Function               |
          |----------------------+-------------------------------------|
          |       í @N0=0        | Caller ID disabled.                 |
          |----------------------+-------------------------------------|
          |        @N0=1         | Caller ID enabled.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       CALLER ID LOG                        |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Allows the user to view and clear the       |
          |              | Caller ID log.                              |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      @L0      | Clears the Caller ID log.                  |
          |---------------+--------------------------------------------|
          |      @L1      | View the last entry in the Caller ID log.  |
          |---------------+--------------------------------------------|
          |      @L2      | View the last ten entries in the Caller ID |
          |               | log.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CD SIGNAL                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the behaviour of the CD signal.    |
          |------------------------------------------------------------|
          |       Command       |               Function               |
          |---------------------+--------------------------------------|
          |        í &C0        | CD forced high.                      |
          |---------------------+--------------------------------------|
          |         &C1         | CD normal.                           |
          |---------------------+--------------------------------------|
          |         &C2         | CD forced low on disconnect.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMMAND SET                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @P1=x [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects the command set that will be used.  |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |     @P1=A      | AT command set enabled.                   |
          |----------------+-------------------------------------------|
          |     @P1=N      | Command sets disabled.                    |
          |----------------+-------------------------------------------|
          |     @P1=VB     | V.25bis command set enabled in Bisync     |
          |                | mode.                                     |
          |----------------+-------------------------------------------|
          |     @P1=VH     | V.25bis command set enabled in HDLC mode. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects how the modem will compress data.   |
          |------------------------------------------------------------|
          |     Command     |                 Function                 |
          |-----------------+------------------------------------------|
          |       %C0       | Compression disabled.                    |
          |-----------------+------------------------------------------|
          |       %C1       | Compression enabled.                     |
          |-----------------+------------------------------------------|
          |       %C2       | Compression enabled on transmit only.    |
          |-----------------+------------------------------------------|
          |       %C3       | Compression enabled on receive only.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             COMPRESSION/ERROR CORRECTION MODE              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the types of compression and error  |
          |              | correction that will be attempted.          |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      \N0      | Normal mode only, compression and error    |
          |               | correction disabled.                       |
          |---------------+--------------------------------------------|
          |      \N1      | Direct mode only, compression and error    |
          |               | correction disabled.                       |
          |---------------+--------------------------------------------|
          |      \N2      | MNP attempted, modem will disconnect if    |
          |               | MNP connection fails.                      |
          |---------------+--------------------------------------------|
          |      \N3      | MNP attempted, modem will attempt normal   |
          |               | mode if MNP connection fails.              |
          |---------------+--------------------------------------------|
          |      \N4      | LAPM attempted, modem will disconnect if   |
          |               | LAPM connection fails.                     |
          |---------------+--------------------------------------------|
          |      \N5      | LAPM attempted, modem will attempt normal  |
          |               | mode if LAPM connection fails.             |
          |---------------+--------------------------------------------|
          |      \N6      | LAPM attempted, then MNP, modem will       |
          |               | disconnect if both previous connections    |
          |               | fail.                                      |
          |---------------+--------------------------------------------|
          |      \N7      | LAPM attempted, then MNP, modem will       |
          |               | attempt normal mode if both previous       |
          |               | connections fail.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        DATA LENGTH                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @P4=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects the length of the data word.        |
          |------------------------------------------------------------|
          |        Command         |             Function              |
          |------------------------+-----------------------------------|
          |         @P4=7          | 7 bit word length.                |
          |------------------------+-----------------------------------|
          |        í @P4=8         | 8 bit word length.                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        DATA PARITY                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @P3=x [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects the format of the parity bit.       |
          |------------------------------------------------------------|
          |          Command           |           Function            |
          |----------------------------+-------------------------------|
          |           @P3=E            | Even parity.                  |
          |----------------------------+-------------------------------|
          |           @P3=M            | Mark parity.                  |
          |----------------------------+-------------------------------|
          |          í @P3=N           | No parity.                    |
          |----------------------------+-------------------------------|
          |           @P3=O            | Odd parity.                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         DATA STOP                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @P6=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects the number of stop bits.            |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |      í @P6=0      | One stop bit.                          |
          |-------------------+----------------------------------------|
          |       @P6=1       | One and a half stop bits.              |
          |-------------------+----------------------------------------|
          |       @P6=2       | Two stop bits.                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         DIAL MODE                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A97=x [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects what type of dialing the TA will    |
          |              | use.                                        |
          |------------------------------------------------------------|
          |        Command         |             Function              |
          |------------------------+-----------------------------------|
          |        í %A97=E        | En bloc dialing enabled.          |
          |------------------------+-----------------------------------|
          |         %A97=O         | Overlap dialing enabled.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DIRECTORY NUMBER 1 SET                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT !N1=<#>                                  |
          |              |                                             |
          |              | AT [cmds] !N1="<#>" [cmds]                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the first directory number. The number |
          |              | must be surrounded by single or double      |
          |              | quotes if there are more commands on the    |
          |              | line.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DIRECTORY NUMBER 2 SET                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT !N2=<#>                                  |
          |              |                                             |
          |              | AT [cmds] !N2="<#>" [cmds]                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the first directory number. The number |
          |              | must be surrounded by single or double      |
          |              | quotes if there are more commands on the    |
          |              | line.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DISCONNECT BUFFER TIME                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 second                                    |
          |--------------+---------------------------------------------|
          | Description: | Sets the time that the modem will wait to   |
          |              | disconnect if there is data in its buffers. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DISPLAY CONFIGURATION                    |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] >V=x [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Displays information about the current      |
          |              | configuration.                              |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     >V=C      | Displays directory numbers, SPIDs, and     |
          |               | TEIs.                                      |
          |---------------+--------------------------------------------|
          |     >V=G      | Displays complete configuration.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DISPLAY CONFIGURATION                    |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &V=x[n] [cmds]                    |
          |--------------+---------------------------------------------|
          | Description: | Displays information about the current      |
          |              | configuration.                              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      &V      | Displays current and stored profiles.       |
          |--------------+---------------------------------------------|
          |    &V=Bn     | Displays X.25 session n.                    |
          |--------------+---------------------------------------------|
          |     &V=E     | Displays V.120 CSD information.             |
          |--------------+---------------------------------------------|
          |    &V=Ln     | Displays local X.25 session n.              |
          |--------------+---------------------------------------------|
          |    &V=Rn     | Displays remote X.25 session n.             |
          |--------------+---------------------------------------------|
          |     &V=Z     | Displays stored phone numbers.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  DISPLAY FIRMWARE VERSION                  |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Displays the version of the installed       |
          |              | firmware.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                DISPLAY PRODUCT INFORMATION                 |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information about the TA.          |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Displays product identification.            |
          |--------------+---------------------------------------------|
          |      I1      | Displays ROM checksum.                      |
          |--------------+---------------------------------------------|
          |      I2      | Displays ROM checksum response.             |
          |--------------+---------------------------------------------|
          |      I3      | Displays firmware version.                  |
          |--------------+---------------------------------------------|
          |      I4      | Displays modem capability in numeric form.  |
          |--------------+---------------------------------------------|
          |      I8      | Displays modem capability in verbose form.  |
          |--------------+---------------------------------------------|
          |      I9      | Displays Plug-And-Play ID.                  |
          |--------------+---------------------------------------------|
          |     I10      | Displays ISDN link status.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        DTR AUTODIAL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Causes the TA to repeatedly dial the first  |
          |              | stored number on high DTR until it          |
          |              | connects.                                   |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |         í &L0         | DTR autodialing disabled.          |
          |-----------------------+------------------------------------|
          |          &L1          | DTR autodialing enabled.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DTR CHANGE TIME                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S25=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 5                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 10ms                                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the amount of time the DTR signal must |
          |              | be low before it is recognised.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         DTR SIGNAL                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the behaviour of the DTR signal.   |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      &D0      | DTR forced high.                           |
          |---------------+--------------------------------------------|
          |      &D1      | TA enters command mode when DTR goes low.  |
          |---------------+--------------------------------------------|
          |      &D2      | TA hangs up and returns to command mode on |
          |               | low DTR.                                   |
          |---------------+--------------------------------------------|
          |      &D3      | TA resets on low DTR.                      |
          |---------------+--------------------------------------------|
          |      &D9      | TA dials first stored number on high DTR,  |
          |               | hangs up and returns to command mode on    |
          |               | low DTR.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   ECHO CANCELLER DISABLE                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A96=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the TA will send a tone to  |
          |              | disable the echo canceller.                 |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |   í %A96=0    | TA will not send echo canceller disable    |
          |               | tone.                                      |
          |---------------+--------------------------------------------|
          |    %A96=1     | TA will send echo canceller disable tone.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               EXTENDED RESULT CODES - MODEM                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects which speed the modem will display  |
          |              | for connect messages.                       |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |      \V0       | Display serial port speed only.           |
          |----------------+-------------------------------------------|
          |      \V1       | Display serial port speed and error       |
          |                | correction protocol.                      |
          |----------------+-------------------------------------------|
          |      \V2       | Display line speed only.                  |
          |----------------+-------------------------------------------|
          |      \V3       | Display line speed and error correction   |
          |                | protocol.                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                EXTENDED RESULT CODES - ISDN                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Wn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the TA will send extended   |
          |              | protocol and channel result codes.          |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |       í W0        | Extended result codes disabled.        |
          |-------------------+----------------------------------------|
          |        W1         | Extended result codes enabled.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               FLOW CONTROL - MODEM-TO-MODEM                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the local and remote modems |
          |              | may use flow control.                       |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |      í \G0       | Modem-to-modem XON/XOFF flow control    |
          |                  | disabled.                               |
          |------------------+-----------------------------------------|
          |       \G1        | Modem-to-modem XON/XOFF flow control    |
          |                  | enabled.                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     FLOW CONTROL TYPE                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the type of flow control that will  |
          |              | be used.                                    |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |       \Q0        | Flow control disabled.                  |
          |------------------+-----------------------------------------|
          |       \Q1        | Bidirectional XON/XOFF flow control     |
          |                  | enabled.                                |
          |------------------+-----------------------------------------|
          |       \Q2        | CTS flow control enabled.               |
          |------------------+-----------------------------------------|
          |      í \Q3       | RTS/CTS flow control enabled.           |
          |------------------+-----------------------------------------|
          |       \Q4        | Unidirectional XON/XOFF flow control    |
          |                  | enabled.                                |
          |------------------------------------------------------------|
          |      Note: Unidirectional XON/XOFF is valid for ISDN       |
          |      operation only. If this mode is used while operating  |
          |      the modem it will not function properly.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      FRONT PANEL LOCK                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] >Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Prevents front panel configuration changes. |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í >L0     | All actions allowed from front panel.      |
          |---------------+--------------------------------------------|
          |      >L1      | Configuration changes from front panel not |
          |               | allowed.                                   |
          |---------------+--------------------------------------------|
          |      >L2      | No actions allowed from front panel.       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      INACTIVITY TIMER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Tn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 90                                      |
          |--------------+---------------------------------------------|
          | Unit:        | 1 minute                                    |
          |--------------+---------------------------------------------|
          | Description: | Sets the amount of time that the modem must |
          |              | be idle before it will disconnect.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    LINE SPEED - MAXIMUM                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum speed the modem will       |
          |              | connect at.                                 |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      %B0      | Modem will connect only at DCE speed.      |
          |---------------+--------------------------------------------|
          |     %B300     | Modem will connect only at 300bps.         |
          |---------------+--------------------------------------------|
          |    %B1200     | 1200bps maximum connect speed.             |
          |---------------+--------------------------------------------|
          |    %B2400     | 2400bps maximum connect speed.             |
          |---------------+--------------------------------------------|
          |    %B4800     | 4800bps maximum connect speed.             |
          |---------------+--------------------------------------------|
          |    %B7200     | 7200bps maximum connect speed.             |
          |---------------+--------------------------------------------|
          |    %B9600     | 9600bps maximum connect speed.             |
          |---------------+--------------------------------------------|
          |    %B9600C    | 9600bps maximum connect speed with trellis |
          |               | coding.                                    |
          |---------------+--------------------------------------------|
          |    %B12000    | 12Kbps maximum connect speed.              |
          |---------------+--------------------------------------------|
          |   í %B14400   | 14.4Kbps maximum connect speed.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    LOAD STORED PROFILE                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Zn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Loads the configuration of the TA from the  |
          |              | stored profile except for ISDN settings.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 LOAD STORED PROFILE - FULL                 |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] >Zn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Loads the complete configuration of the TA  |
          |              | from the stored profile.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  LOCAL SERIAL PORT SPEED                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @P2=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed of operation for the serial  |
          |              | port.                                       |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |     @P2=300      | Set serial port speed to 300bps.        |
          |------------------+-----------------------------------------|
          |     @P2=600      | Set serial port speed to 600bps.        |
          |------------------+-----------------------------------------|
          |     @P2=1200     | Set serial port speed to 1200bps.       |
          |------------------+-----------------------------------------|
          |     @P2=2400     | Set serial port speed to 2400bps.       |
          |------------------+-----------------------------------------|
          |     @P2=4800     | Set serial port speed to 4800bps.       |
          |------------------+-----------------------------------------|
          |     @P2=7200     | Set serial port speed to 7200bps.       |
          |------------------+-----------------------------------------|
          |     @P2=9600     | Set serial port speed to 9600bps.       |
          |------------------+-----------------------------------------|
          |    @P2=12000     | Set serial port speed to 12Kbps.        |
          |------------------+-----------------------------------------|
          |    @P2=14400     | Set serial port speed to 14.4Kbps.      |
          |------------------+-----------------------------------------|
          |    @P2=19200     | Set serial port speed to 19.2Kbps.      |
          |------------------+-----------------------------------------|
          |    @P2=28800     | Set serial port speed to 28.8Kbps.      |
          |------------------+-----------------------------------------|
          |    @P2=38400     | Set serial port speed to 38.4Kbps.      |
          |------------------+-----------------------------------------|
          |    @P2=48000     | Set serial port speed to 48Kbps.        |
          |------------------+-----------------------------------------|
          |    @P2=56000     | Set serial port speed to 56Kbps.        |
          |------------------+-----------------------------------------|
          |   í @P2=57600    | Set serial port speed to 57.6Kbps.      |
          |------------------+-----------------------------------------|
          |    @P2=64000     | Set serial port speed to 64Kbps.        |
          |------------------+-----------------------------------------|
          |    @P2=112000    | Set serial port speed to 112Kbps.       |
          |------------------+-----------------------------------------|
          |    @P2=115200    | Set serial port speed to 115.2Kbps.     |
          |------------------+-----------------------------------------|
          |    @P2=128000    | Set serial port speed to 128Kbps.       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   LOCK SERIAL PORT SPEED                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Jn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the serial port speed will  |
          |              | be matched to the line speed.               |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í \J0     | Serial port speed locked.                  |
          |---------------+--------------------------------------------|
          |      \J1      | Serial port speed will match line speed.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       MNP BLOCK SIZE                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum size of a block in MNP     |
          |              | mode.                                       |
          |------------------------------------------------------------|
          |      Command       |               Function                |
          |--------------------+---------------------------------------|
          |        \A0         | Maximum block size is 64 bytes.       |
          |--------------------+---------------------------------------|
          |        \A1         | Maximum block size is 128 bytes.      |
          |--------------------+---------------------------------------|
          |        \A2         | Maximum block size is 192 bytes.      |
          |--------------------+---------------------------------------|
          |        \A3         | Maximum block size is 256 bytes.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   ORIGINATE CALL - ISDN                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A98=Ix [cmds]                    |
          |--------------+---------------------------------------------|
          | Description: | Selects what bearer capability the TA will  |
          |              | originate ISDN calls with.                  |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |    %A98=I     | Originate ISDN calls as data BC.           |
          |---------------+--------------------------------------------|
          |    %A98=IA    | Originate ISDN calls as 3.1KHz audio BC.   |
          |---------------+--------------------------------------------|
          |   í %A98=ID   | Originate ISDN calls as data BC.           |
          |---------------+--------------------------------------------|
          |    %A98=IS    | Originate ISDN calls as speech BC.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   ORIGINATE CALL - MODEM                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A98=Mx [cmds]                    |
          |--------------+---------------------------------------------|
          | Description: | Selects what bearer capability the TA will  |
          |              | originate modem calls with.                 |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |    %A98=M     | Originate modem calls as 3.1KHz audio BC.  |
          |---------------+--------------------------------------------|
          |   í %A98=MA   | Originate modem calls as 3.1KHz audio BC.  |
          |---------------+--------------------------------------------|
          |    %A98=MD    | Originate modem calls as data BC.          |
          |---------------+--------------------------------------------|
          |    %A98=MS    | Originate modem calls as speech BC.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          PROTOCOL                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A2=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the protocol that the TA uses for rate |
          |              | adaptation.                                 |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |       %A2=0       | TA will use clear channel mode.        |
          |-------------------+----------------------------------------|
          |      í %A2=2      | TA will use V.120 protocol.            |
          |-------------------+----------------------------------------|
          |       %A2=3       | TA will use Bonding Mode 1 or AIMux    |
          |                   | protocols.                             |
          |-------------------+----------------------------------------|
          |      %A2=95       | TA will use PPP protocol.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 RESET TO FACTORY DEFAULTS                  |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &F [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Resets the configuration of the TA except   |
          |              | for ISDN settings to the factory defaults.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              RESET TO FACTORY DEFAULT - FULL               |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] >F [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Resets the complete configuration of the TA |
          |              | to the factory defaults.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          RETRAIN                           |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] On                                |
          |--------------+---------------------------------------------|
          | Description: | When connected, tells the modem to go back  |
          |              | online and initiate a retrain.              |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      O0       | Return online without retrain.             |
          |---------------+--------------------------------------------|
          |      O1       | Return online with retrain.                |
          |---------------+--------------------------------------------|
          |     O4800     | Return online and negotiate to 4800bps.    |
          |---------------+--------------------------------------------|
          |     O7200     | Return online and negotiate to 7200bps.    |
          |---------------+--------------------------------------------|
          |     O9600     | Return online and negotiate to 9600bps.    |
          |---------------+--------------------------------------------|
          |    O12000     | Return online and negotiate to 12Kbps.     |
          |---------------+--------------------------------------------|
          |    O14400     | Return online and negotiate to 14.4Kbps.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         SPID 1 SET                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT !C6=<#>                                  |
          |              |                                             |
          |              | AT [cmds] !C6="<#>" [cmds]                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the first SPID. The SPID must be       |
          |              | surrounded by single or double quotes if    |
          |              | there are more commands on the line.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         SPID 2 SET                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT !C7=<#>                                  |
          |              |                                             |
          |              | AT [cmds] !C7="<#>" [cmds]                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the second SPID. The SPID must be      |
          |              | surrounded by single or double quotes if    |
          |              | there are more commands on the line.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        SWITCH TYPE                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !C0=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects what type of network switch the TA  |
          |              | is connected to.                            |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |      !C0=0       | TA is connected to 5ESS switch.         |
          |------------------+-----------------------------------------|
          |      !C0=1       | TA is connected to DMS-100 switch.      |
          |------------------+-----------------------------------------|
          |     í !C0=2      | TA is connected to NI-1 switch.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       SWITCH VERSION                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !C1=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects what version of network switch the  |
          |              | TA is connected to.                         |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     !C1=0     | TA is connected to point-to-point 5ESS     |
          |               | switch.                                    |
          |---------------+--------------------------------------------|
          |     !C1=1     | TA is connected to multipoint 5ESS switch. |
          |---------------+--------------------------------------------|
          |     !C1=2     | TA is connected to IC-0 DMS-100 switch.    |
          |---------------+--------------------------------------------|
          |     !C1=3     | TA is connected to IC-1 DMS-100 switch.    |
          |---------------+--------------------------------------------|
          |    í !C1=4    | TA is connected to NI-1 switch.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      SYNC/ASYNC MODE                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the DTE will be operation   |
          |              | in synchronous or asynchronous mode.        |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í &M0     | DTE in asynchronous mode.                  |
          |---------------+--------------------------------------------|
          |      &M1      | DTE in asynchronous mode for dialing,      |
          |               | synchronous mode for communications.       |
          |---------------+--------------------------------------------|
          |      &M2      | DTE in synchronous mode, TA dials stored   |
          |               | number on high DTR.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TEI 1 SET                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !D3=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the first Terminal Endpoint            |
          |              | Identifier.                                 |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |      !D3=0       | Sets the TEI to the value indicated.    |
          |                  |                                         |
          |       ...        |                                         |
          |                  |                                         |
          |      !D3=63      |                                         |
          |------------------+-----------------------------------------|
          |     !D3=127      | Disables channel 1.                     |
          |------------------+-----------------------------------------|
          |    í !D3=255     | Allows dynamic TEI assignment.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TEI 2 SET                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !D4=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the second Terminal Endpoint           |
          |              | Identifier.                                 |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |      !D4=0       | Sets the TEI to the value indicated.    |
          |                  |                                         |
          |       ...        |                                         |
          |                  |                                         |
          |      !D4=63      |                                         |
          |------------------+-----------------------------------------|
          |    í !D4=127     | Disables channel 2.                     |
          |------------------+-----------------------------------------|
          |     !D4=255      | Allows dynamic TEI assignment.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        TEI X.25 SET                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !D0=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the Terminal Endpoint Identifier for   |
          |              | X.25.                                       |
          |------------------------------------------------------------|
          |     Command     |                 Function                 |
          |-----------------+------------------------------------------|
          |      !D0=0      | Sets the TEI to the value indicated.     |
          |                 |                                          |
          |       ...       |                                          |
          |                 |                                          |
          |     !D0=63      |                                          |
          |-----------------+------------------------------------------|
          |    í !D0=127    | Disables X.25 operation.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     TRANSMISSION SPEED                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A4=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the transmission speed of the TA.      |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |       %A4=0       | Transmission speed is 64Kbps.          |
          |-------------------+----------------------------------------|
          |       %A4=1       | Transmission speed is 56Kbps.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       TRELLIS CODING                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Bn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects whether trellis coding will be used |
          |              | at 9600bps.                                 |
          |------------------------------------------------------------|
          |        Command         |             Function              |
          |------------------------+-----------------------------------|
          |          í B2          | Trellis coding enabled.           |
          |------------------------+-----------------------------------|
          |           B3           | Trellis coding disabled.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  V.120 RECEIVE FRAME SIZE                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %E1=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 256                                         |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 260                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 byte                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum size of a received V.120   |
          |              | frame.                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 V.120 TRANSMIT FRAME SIZE                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %E0=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 256                                         |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 260                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 byte                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum size of a transmitted      |
          |              | V.120 frame.                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    V.120 TRANSMIT TIMER                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %E3=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the V.120 T200 transmission timer.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     V.120 WINDOW SIZE                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %E2=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 8                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 127                                     |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the V.120 window.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      V.42 FAST DETECT                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the normal or fast negotiation      |
          |              | sequence for V.42.                          |
          |------------------------------------------------------------|
          |      Command       |               Function                |
          |--------------------+---------------------------------------|
          |        \M0         | V.42 fast detect disabled.            |
          |--------------------+---------------------------------------|
          |       í \M1        | V.42 fast detect enabled.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       WRITE PROTECT                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @G=x [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Selects the ability to prevent permanent    |
          |              | changes to the TA’s configuration from      |
          |              | being made. All changes made in temporary   |
          |              | memory will be reset at the end of every    |
          |              | call.                                       |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |        í @G=D         | Write protect disabled.            |
          |-----------------------+------------------------------------|
          |         @G=E          | Write protect enabled.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  WRITE TO STORED PROFILE                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Wn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Saves the configuration of the TA except    |
          |              | for ISDN settings to stored profile n.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               WRITE TO STORED PROFILE - FULL               |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] >Wn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Saves the complete configuration of the TA  |
          |              | to stored profile n.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      X.25 AUTO-ANSWER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B97=x [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Sets whether the TA will auto-answer an     |
          |              | incoming X.25 virtual call.                 |
          |------------------------------------------------------------|
          |        Command         |             Function              |
          |------------------------+-----------------------------------|
          |         %B97=D         | Auto-answer disabled.             |
          |------------------------+-----------------------------------|
          |        í %B97=E        | Auto-answer enabled.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     X.25 CALL CHARGING                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B10=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the type of call charging for X.25.    |
          |------------------------------------------------------------|
          |     Command     |                 Function                 |
          |-----------------+------------------------------------------|
          |    í %B10=0     | X.25 will use normal call charging.      |
          |-----------------+------------------------------------------|
          |     %B10=1      | X.25 will use reverse call charging.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   X.25 CLOSED USER GROUP                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B8=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects the type of Closed User Group used  |
          |              | for X.25.                                   |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |     í %B8=0      | CUG not used.                           |
          |------------------+-----------------------------------------|
          |      %B8=1       | Basic CUG used.                         |
          |------------------+-----------------------------------------|
          |      %B8=2       | CUG with outgoing access only used.     |
          |------------------+-----------------------------------------|
          |      %B8=3       | CUG will full access used.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 X.25 CLOSED USER GROUP ID                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B9=nnnn [cmds]                   |
          |--------------+---------------------------------------------|
          | Description: | Sets the ID for the X.25 CUG.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    X.25 CODE - INCOMING                    |
          |------------------------------------------------------------|
          | Type:        | Read-only                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B16? [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Stores the result code for incoming X.25    |
          |              | virtual calls.                              |
          |------------------------------------------------------------|
          |        Value         |               Meaning               |
          |----------------------+-------------------------------------|
          |          0           | Call was not redirected.            |
          |----------------------+-------------------------------------|
          |          1           | Station was busy.                   |
          |----------------------+-------------------------------------|
          |          9           | Station was out of order.           |
          |----------------------+-------------------------------------|
          |          15          | Call was redirected.                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    X.25 CODE - OUTGOING                    |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B15? [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Stores the result code for outgoing X.25    |
          |              | virtual calls.                              |
          |------------------------------------------------------------|
          |       Value        |                Meaning                |
          |--------------------+---------------------------------------|
          |         0          | Call was not redirected.              |
          |--------------------+---------------------------------------|
          |         1          | Station was busy.                     |
          |--------------------+---------------------------------------|
          |         7          | Call was within a hunt group.         |
          |--------------------+---------------------------------------|
          |         9          | Station was out of order.             |
          |--------------------+---------------------------------------|
          |         15         | Call was redirected.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       X.25 D-CHANNEL                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !C3=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects whether X.25 will be used on the    |
          |              | D-channel.                                  |
          |------------------------------------------------------------|
          |       Command       |               Function               |
          |---------------------+--------------------------------------|
          |       í !C3=0       | X.25 disabled on D-channel.          |
          |---------------------+--------------------------------------|
          |        !C3=1        | X.25 enabled on D-channel.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          X.25 D-CHANNEL - CHANNELS, BIDIRECTIONAL          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !X6=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 8                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the number of bidirectional logical    |
          |              | channels for X.25.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            X.25 D-CHANNEL - CHANNELS, INCOMING             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !X5=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the number of incoming logical         |
          |              | channels for X.25.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            X.25 D-CHANNEL - CHANNELS, OUTGOING             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !X7=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the number of outgoiing logical        |
          |              | channels for X.25.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             X.25 D-CHANNEL - CHANNELS, VIRTUAL             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !X4=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the number of permanent virtual        |
          |              | channels for X.25.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.25 D-CHANNEL - MODULUS                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !X8=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 8                                           |
          |--------------+---------------------------------------------|
          | Range:       | 8, 128                                      |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the sequence modulus for X.25.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                X.25 D-CHANNEL - NEGOTIATION                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !D1=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects X.25 parameter negotiation.         |
          |------------------------------------------------------------|
          |      Command       |               Function                |
          |--------------------+---------------------------------------|
          |       !D1=0        | X.25 negotiation disabled.            |
          |--------------------+---------------------------------------|
          |      í !D1=1       | X.25 negotiation enabled.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            X.25 D-CHANNEL - RECEIVE PACKET SIZE            |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !X2=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the received packets for   |
          |              | X.25.                                       |
          |------------------------------------------------------------|
          |      Command       |               Function                |
          |--------------------+---------------------------------------|
          |      í !X2=7       | Packet size set to 128 bytes.         |
          |--------------------+---------------------------------------|
          |       !X2=8        | Packet size set to 256 bytes.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            X.25 D-CHANNEL - RECEIVE WINDOW SIZE            |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !X0=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 2                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 7                                       |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the X.25 receive window.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           X.25 D-CHANNEL - TRANSMIT PACKET SIZE            |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !X3=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the transmitted packets    |
          |              | for X.25.                                   |
          |------------------------------------------------------------|
          |      Command       |               Function                |
          |--------------------+---------------------------------------|
          |      í !X3=7       | Packet size set to 128 bytes.         |
          |--------------------+---------------------------------------|
          |       !X3=8        | Packet size set to 256 bytes.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           X.25 D-CHANNEL - TRANSMIT WINDOW SIZE            |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !X1=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 2                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 7                                       |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the X.25 transmit window.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    X.25 LOGICAL CHANNEL                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B6=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 1                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Selects the logical channel for X.25        |
          |              | operation.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 X.25 OUTGOING CALL ADDRESS                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B17=nnnn [cmds]                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the address for an outgoing X.25       |
          |              | virtual call.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   X.25 PACKET CALL TIMER                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B98=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 200                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 600                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the packet call timer for X.25         |
          |              | operation.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 X.25 PAD ANCILLARY DEVICE                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L5=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects control of an ancillary device by   |
          |              | the PAD.                                    |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |     %L5=0      | Device disabled.                          |
          |----------------+-------------------------------------------|
          |    í %L5=1     | Device enabled for data transfer only.    |
          |----------------+-------------------------------------------|
          |     %L5=2      | Device enabled for data transfer and      |
          |                | command control.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.25 PAD BREAK RESPONSE                   |
          |------------------------------------------------------------|
          | Type:          | Configuration                             |
          |----------------+-------------------------------------------|
          | Format:        | AT [cmds] %L7=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Default:       | 0                                         |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 31                                    |
          |----------------+-------------------------------------------|
          | Description:   | Sets action the PAD takes in response to  |
          |                | receiving a BREAK from the DTE.           |
          |------------------------------------------------------------|
          |   Bit    | Value  |                Function                |
          |----------+--------+----------------------------------------|
          |    0     |    í 0 | PAD will not send an interrupt packet. |
          |          |        |                                        |
          |          |      1 | PAD will send an interrupt packet.     |
          |----------+--------+----------------------------------------|
          |    1     |    í 0 | PAD will not send a reset packet.      |
          |          |        |                                        |
          |          |      1 | PAD will send a reset packet.          |
          |----------+--------+----------------------------------------|
          |    2     |    í 0 | PAD will not send an indication of the |
          |          |        | break.                                 |
          |          |      1 |                                        |
          |          |        | PAD will send an indication of the     |
          |          |        | break.                                 |
          |----------+--------+----------------------------------------|
          |    3     |    í 0 | PAD will not escape from the data      |
          |          |        | state.                                 |
          |          |      1 |                                        |
          |          |        | PAD will escape from the data state.   |
          |----------+--------+----------------------------------------|
          |    4     |    í 0 | PAD will not set %L8 to 1.             |
          |          |        |                                        |
          |          |      1 | PAD will set %L8 to 1.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            X.25 PAD CARRIAGE RETURN TRANSLATION            |
          |------------------------------------------------------------|
          | Type:          | Configuration                             |
          |----------------+-------------------------------------------|
          | Format:        | AT [cmds] %L13=n [cmds]                   |
          |----------------+-------------------------------------------|
          | Default:       | 5                                         |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 7                                     |
          |----------------+-------------------------------------------|
          | Description:   | Selects when the PAD will add line feeds  |
          |                | to carriage returns.                      |
          |------------------------------------------------------------|
          |   Bit    | Value  |                Function                |
          |----------+--------+----------------------------------------|
          |    0     |      0 | PAD will not add a line feed after a   |
          |          |        | carriage return being sent to the DTE. |
          |          |    í 1 |                                        |
          |          |        | PAD will add a line feed after a       |
          |          |        | carriage return being sent to the DTE. |
          |----------+--------+----------------------------------------|
          |    1     |    í 0 | PAD will not add a line feed after a   |
          |          |        | carriage return being received from    |
          |          |      1 | the DTE.                               |
          |          |        |                                        |
          |          |        | PAD will add a line feed after a       |
          |          |        | carriage return being received from    |
          |          |        | the DTE.                               |
          |----------+--------+----------------------------------------|
          |    2     |      0 | PAD will not add a line feed after a   |
          |          |        | carriage return being echoed.          |
          |          |    í 1 |                                        |
          |          |        | PAD will add a line feed after a       |
          |          |        | carriage return being echoed.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             X.25 PAD - CARRIAGE RETURN PADDING             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L9=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the amount of padding after a carriage |
          |              | return.                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   X.25 PAD DATA EDITING                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L15=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects whether editing the data being      |
          |              | transferred is allowed.                     |
          |------------------------------------------------------------|
          |         Command         |             Function             |
          |-------------------------+----------------------------------|
          |         %L12=0          | Editing disabled.                |
          |-------------------------+----------------------------------|
          |        í %L12=1         | Editing enabled.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 X.25 PAD DELETE CHARACTER                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L16=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 8                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 127                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 ASCII character                           |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used for character       |
          |              | deletion.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.25 PAD - DISCARD DATA                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L8=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the PAD will deliver data   |
          |              | to the DTE.                                 |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |        í %L8=0        | Deliver data to the DTE.           |
          |-----------------------+------------------------------------|
          |         %L8=1         | Discard data.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       X.25 PAD ECHO                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L2=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects whether PAD functions will echo     |
          |              | incoming characters.                        |
          |------------------------------------------------------------|
          |         Command         |             Function             |
          |-------------------------+----------------------------------|
          |          %L2=0          | PAD echo disabled.               |
          |-------------------------+----------------------------------|
          |         í %L2=1         | PAD echo enabled.                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     X.25 PAD ECHO MASK                     |
          |------------------------------------------------------------|
          | Type:          | Configuration                             |
          |----------------+-------------------------------------------|
          | Format:        | AT [cmds] %L20=n [cmds]                   |
          |----------------+-------------------------------------------|
          | Default:       | 248                                       |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 255                                   |
          |----------------+-------------------------------------------|
          | Description:   | Selects which control characters will be  |
          |                | echoed.                                   |
          |------------------------------------------------------------|
          |   Bit    | Value  |                Function                |
          |----------+--------+----------------------------------------|
          |    0     |    í 0 | Carriage return will be echoed.        |
          |          |        |                                        |
          |          |      1 | Carriage return will not be echoed.    |
          |----------+--------+----------------------------------------|
          |    1     |    í 0 | Line feed will be echoed.              |
          |          |        |                                        |
          |          |      1 | Line feed will not be echoed.          |
          |----------+--------+----------------------------------------|
          |    2     |    í 0 | The control characters VT, HT, and     |
          |          |        | form feeds will be echoed.             |
          |          |      1 |                                        |
          |          |        | The control characters VT, HT, and     |
          |          |        | form feeds will not be echoed.         |
          |----------+--------+----------------------------------------|
          |    3     |      0 | Bells and backspaces will be echoed.   |
          |          |        |                                        |
          |          |    í 1 | Bells and backspaces will not be       |
          |          |        | echoed.                                |
          |----------+--------+----------------------------------------|
          |    4     |      0 | The control character ENQ and escapes  |
          |          |        | will be echoed.                        |
          |          |    í 1 |                                        |
          |          |        | The control character ENQ and escapes  |
          |          |        | will not be echoed.                    |
          |----------+--------+----------------------------------------|
          |    5     |      0 | The control characters ACK, NAK, STX,  |
          |          |        | SOH, EOT, ETB, and ETX will be echoed. |
          |          |    í 1 |                                        |
          |          |        | The control characters ACK, NAK, STX,  |
          |          |        | SOH, EOT, ETB, and ETX will not be     |
          |          |        | echoed.                                |
          |----------+--------+----------------------------------------|
          |    6     |      0 | Parameters 16, 17, and 18 will be      |
          |          |        | echoed.                                |
          |          |    í 1 |                                        |
          |          |        | Parameters 16, 17, and 18 will not be  |
          |          |        | echoed.                                |
          |----------+--------+----------------------------------------|
          |    7     |      0 | All other control characters will be   |
          |          |        | echoed.                                |
          |          |    í 1 |                                        |
          |          |        | All other control characters will not  |
          |          |        | be echoed.                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   X.25 PAD FLOW CONTROL                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L12=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects flow control for the X.25 PAD.      |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |        %L12=0         | Flow control disabled.             |
          |-----------------------+------------------------------------|
          |       í %L12=1        | Flow control enabled.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                X.25 PAD - FORM FEED PADDING                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L22=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the amount of padding after a form     |
          |              | feed.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    X.25 PAD FORWARDING                     |
          |------------------------------------------------------------|
          | Type:          | Configuration                             |
          |----------------+-------------------------------------------|
          | Format:        | AT [cmds] %L3=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Default:       | 2                                         |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 127                                   |
          |----------------+-------------------------------------------|
          | Description:   | Selects which characters will be          |
          |                | forwarded through the PAD.                |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |    0     |   í 0 | Alphanumeric characters will not be     |
          |          |       | forwarded.                              |
          |          |     1 |                                         |
          |          |       | Alphanumeric characters (A-Z, a-z, 0-9) |
          |          |       | will be forwarded.                      |
          |----------+-------+-----------------------------------------|
          |    1     |     0 | Carriage returns will not be forwarded. |
          |          |       |                                         |
          |          |   í 1 | Carriage returns will be forwarded.     |
          |----------+-------+-----------------------------------------|
          |    2     |   í 0 | The control characters ENQ, ACK, bells, |
          |          |       | and escapes will not be forwarded.      |
          |          |     1 |                                         |
          |          |       | The control characters ENQ, ACK, bells, |
          |          |       | and escapes will be forwarded.          |
          |----------+-------+-----------------------------------------|
          |    3     |   í 0 | The control characters CAN, DC2, and    |
          |          |       | delete will not be forwarded.           |
          |          |     1 |                                         |
          |          |       | The control characters CAN, DC2, and    |
          |          |       | delete will be forwarded.               |
          |----------+-------+-----------------------------------------|
          |    4     |   í 0 | The control characters ETX and EOT will |
          |          |       | not be forwarded.                       |
          |          |     1 |                                         |
          |          |       | The control characters ETX and EOT will |
          |          |       | be forwarded.                           |
          |----------+-------+-----------------------------------------|
          |    5     |   í 0 | The control characters HT, LT, VT, and  |
          |          |       | form feeds will not be forwarded.       |
          |          |     1 |                                         |
          |          |       | The control characters HT, LT, VT, and  |
          |          |       | FF will be forwarded.                   |
          |----------+-------+-----------------------------------------|
          |    6     |   í 0 | All other control characters will not   |
          |          |       | be forwarded.                           |
          |          |     1 |                                         |
          |          |       | All other control characters will be    |
          |          |       | forwarded.                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     X.25 PAD IDLE TIME                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L4=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the PAD’s idle time delay.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               X.25 PAD LINE DELETE CHARACTER               |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L17=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 24                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 127                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 ASCII character                           |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used for line deletion.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              X.25 PAD LINE DISPLAY CHARACTER               |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L18=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 18                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 127                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 ASCII character                           |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used for line display.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                X.25 PAD - LINE FEED PADDING                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L14=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the amount of padding after a line     |
          |              | feed.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    X.25 PAD - LINE WRAP                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L10=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 character                                 |
          |--------------+---------------------------------------------|
          | Description: | Sets the length of a line for the X.25 PAD. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             X.25 PAD - LOCAL SERIAL PORT SPEED             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L11=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed of operation for the serial  |
          |              | port when using the X.25 PAD.               |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |      %L11=2      | Set serial port speed to 300bps.        |
          |------------------+-----------------------------------------|
          |      %L11=3      | Set serial port speed to 1200bps.       |
          |------------------+-----------------------------------------|
          |      %L11=4      | Set serial port speed to 600bps.        |
          |------------------+-----------------------------------------|
          |     %L11=12      | Set serial port speed to 2400bps.       |
          |------------------+-----------------------------------------|
          |     %L11=13      | Set serial port speed to 4800bps.       |
          |------------------+-----------------------------------------|
          |     %L11=14      | Set serial port speed to 9600bps.       |
          |------------------+-----------------------------------------|
          |     %L11=15      | Set serial port speed to 19.2Kbps.      |
          |------------------+-----------------------------------------|
          |    í %L11=16     | Set serial port speed to 38.4Kbps.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      X.25 PAD PARITY                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L21=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects the format of the parity bit.       |
          |------------------------------------------------------------|
          |        Command         |             Function              |
          |------------------------+-----------------------------------|
          |         %L21=0         | No parity.                        |
          |------------------------+-----------------------------------|
          |         %L21=3         | Use setting in @P3.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      X.25 PAD RECALL                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L1=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0, 1, 32 - 126                              |
          |--------------+---------------------------------------------|
          | Unit:        | 1 ASCII character (see below for            |
          |              | exceptions)                                 |
          |--------------+---------------------------------------------|
          | Description: | Sets the character for PAD recall. 0        |
          |              | disables recall, and 1 sets it to the DLE   |
          |              | control character.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.25 PAD SERVICE SIGNALS                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L6=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects which PAD service signals will be   |
          |              | sent to the user.                           |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     %L6=0     | No signals will be sent.                   |
          |---------------+--------------------------------------------|
          |     %L6=1     | All signals except prompt will be sent.    |
          |---------------+--------------------------------------------|
          |     %L6=4     | Only prompt will be sent.                  |
          |---------------+--------------------------------------------|
          |     %L6=5     | All signals will be sent.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            X.25 PAD SERVICE SIGNAL DESTINATION             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L19=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects where PAD service signals will be   |
          |              | sent.                                       |
          |------------------------------------------------------------|
          |     Command     |                 Function                 |
          |-----------------+------------------------------------------|
          |     %L19=0      | Signals will not be sent.                |
          |-----------------+------------------------------------------|
          |     %L19=1      | Signals will be sent to the printer.     |
          |-----------------+------------------------------------------|
          |    í %L19=2     | Signals will be sent to the monitor.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          X.25 PVC                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B5=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects whether X.25 will use Permanent     |
          |              | Virtual Channel.                            |
          |------------------------------------------------------------|
          |         Command         |             Function             |
          |-------------------------+----------------------------------|
          |         í %B5=0         | X.25 PVC disabled.               |
          |-------------------------+----------------------------------|
          |          %B5=1          | X.25 PVC enabled.                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.25 RECEIVE PACKET SIZE                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B2=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0, 7 - 10                                   |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the received packets for   |
          |              | X.25.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.25 RECEIVE THROUGHPUT                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B11=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the throughput for receiving X.25.     |
          |------------------------------------------------------------|
          |       Command       |               Function               |
          |---------------------+--------------------------------------|
          |      í %B11=0       | Use network speed.                   |
          |---------------------+--------------------------------------|
          |       %B11=3        | Throughput set to 75bps.             |
          |---------------------+--------------------------------------|
          |       %B11=4        | Throughput set to 110bps.            |
          |---------------------+--------------------------------------|
          |       %B11=5        | Throughput set to 300bps.            |
          |---------------------+--------------------------------------|
          |       %B11=6        | Throughput set to 600bps.            |
          |---------------------+--------------------------------------|
          |       %B11=7        | Throughput set to 1200bps.           |
          |---------------------+--------------------------------------|
          |       %B11=8        | Throughput set to 2400bps.           |
          |---------------------+--------------------------------------|
          |       %B11=9        | Throughput set to 4800bps.           |
          |---------------------+--------------------------------------|
          |       %B11=10       | Throughput set to 9600bps.           |
          |---------------------+--------------------------------------|
          |       %B11=11       | Throughput set to 19.2Kbps.          |
          |---------------------+--------------------------------------|
          |       %B11=12       | Throughput set to 48Kbps.            |
          |---------------------+--------------------------------------|
          |       %B11=13       | Throughput set to 64Kbps.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.25 RECEIVE WINDOW SIZE                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B0=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 8                                       |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the X.25 receive window.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      X.25 RESET CODE                       |
          |------------------------------------------------------------|
          | Type:        | Read-only                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B20? [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Reports the reason for an X.25 reset.       |
          |------------------------------------------------------------|
          |     Value     |                  Meaning                   |
          |---------------+--------------------------------------------|
          |       0       | Normal operation - no reset has occurred.  |
          |---------------+--------------------------------------------|
          |       1       | DTE caused reset.                          |
          |---------------+--------------------------------------------|
          |       2       | Local procedure error occurred.            |
          |---------------+--------------------------------------------|
          |       3       | Destination address is incompatible.       |
          |---------------+--------------------------------------------|
          |       4       | Network is busy.                           |
          |---------------+--------------------------------------------|
          |       5       | Remote procedure error occurred.           |
          |---------------+--------------------------------------------|
          |       6       | Cause of reset unknown.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      X.25 RESET TIMER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B99=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 180                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 600                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the reset timer for X.25 operation.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         X.25 RPOA                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B14=xxxx [cmds]                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the RPOA for X.25.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.25 TRANSMIT DELAY TIME                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B19=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 65535                                   |
          |--------------+---------------------------------------------|
          | Unit:        | 1ms                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the delay time for X.25 transmission.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 X.25 TRANSMIT PACKET SIZE                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B3=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0, 7 - 10                                   |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the transmitted packets    |
          |              | for X.25.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.25 TRANSMIT THROUGHPUT                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B12=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the throughput for transmitting X.25.  |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |       í %B12=0        | Use network speed.                 |
          |-----------------------+------------------------------------|
          |        %B12=3         | Throughput set to 75bps.           |
          |-----------------------+------------------------------------|
          |        %B12=4         | Throughput set to 110bps.          |
          |-----------------------+------------------------------------|
          |        %B12=5         | Throughput set to 300bps.          |
          |-----------------------+------------------------------------|
          |        %B12=6         | Throughput set to 600bps.          |
          |-----------------------+------------------------------------|
          |        %B12=7         | Throughput set to 1200bps.         |
          |-----------------------+------------------------------------|
          |        %B12=8         | Throughput set to 2400bps.         |
          |-----------------------+------------------------------------|
          |        %B12=9         | Throughput set to 4800bps.         |
          |-----------------------+------------------------------------|
          |        %B12=10        | Throughput set to 9600bps.         |
          |-----------------------+------------------------------------|
          |        %B12=11        | Throughput set to 19.2Kbps.        |
          |-----------------------+------------------------------------|
          |        %B12=12        | Throughput set to 48Kbps.          |
          |-----------------------+------------------------------------|
          |        %B12=13        | Throughput set to 64Kbps.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 X.25 TRANSMIT WINDOW SIZE                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B1=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 8                                       |
          |--------------+---------------------------------------------|
          | Unit:        | N/A                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the X.25 transmit window.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       X.25 USER DATA                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B18=xxxx [cmds]                  |
          |--------------+---------------------------------------------|
          | Description: | Sets miscellaneous user data for X.25.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        X.25 USER ID                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B13=xxxx [cmds]                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the network user ID for X.25.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   XON/XOFF PASS THROUGH                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Xn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether XON and XOFF characters     |
          |              | will be sent to the remote modem.           |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í \X0     | XON/XOFF characters trapped.               |
          |---------------+--------------------------------------------|
          |      \X1      | XON/XOFF characters sent to remote modem.  |