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       # MOTOROLA, INC.
       
          UTA220, UTA220K
       
          Card Type              ISDN TA                                 
          Chip Set               Unidentified                            
          I/O Options            25-pin serial ports (4), ISDN U         
                                 interface via RJ-48 connector, power    
          ISDN Data Rate         128Kbps                                 
          ISDN Modulation        V.120, HDLC                             
          Protocol               
          Error                  Unidentified                            
          Correction/Compression 
          Data Bus               External                                
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function     |   Label    |    Function    |   Label   |
          |------------------------------------------------------------|
          | 25-pin serial port 1     |    CN1    | ISDN U       | CN5  |
          |                          |           | interface    |      |
          |                          |           | (RJ-48)      |      |
          |--------------------------+-----------+--------------+------|
          | 25-pin serial port 2     |    CN2    | Power        | CN6  |
          |--------------------------+-----------+--------------+------|
          | 25-pin serial port 3     |    CN3    | Power switch | SW1  |
          |--------------------------+-----------+--------------+------|
          | 25-pin serial port 4     |    CN4    |              |      |
          |------------------------------------------------------------|
          | Note: Serial ports 3 & 4 are optional, and not featured in |
          | standard version.                                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          | LED  |     Color      |  Status   |       Condition        |
          |------+----------------+-----------+------------------------|
          |  B1  |   Unidentified |    On     | B-channel 1 is active  |
          |------+----------------+-----------+------------------------|
          |  B1  |   Unidentified |    Off    |     B-channel 1 is     |
          |      |                |           |        inactive        |
          |------+----------------+-----------+------------------------|
          |  B2  |   Unidentified |    On     | B-channel 2 is active  |
          |------+----------------+-----------+------------------------|
          |  B2  |   Unidentified |    Off    |     B-channel 2 is     |
          |      |                |           |        inactive        |
          |------+----------------+-----------+------------------------|
          |  D   |   Unidentified |    On     |   All B-channels are   |
          |      |                |           |       available        |
          |------+----------------+-----------+------------------------|
          |  D   |   Unidentified | Blinking  |     Connection is      |
          |      |                | (single)  | established on ISDN U  |
          |      |                |           |       interface        |
          |------+----------------+-----------+------------------------|
          |  D   |   Unidentified | Blinking  |   Communications are   |
          |      |                | (double)  |  established with the  |
          |      |                |           |         switch         |
          |------+----------------+-----------+------------------------|
          |  D   |   Unidentified |    Off    |   Connection is not    |
          |      |                |           | established on ISDN U  |
          |      |                |           |       interface        |
          |------+----------------+-----------+------------------------|
          |  DP  |   Unidentified |    On     | D-channel is available |
          |      |                |           |    for packet calls    |
          |------+----------------+-----------+------------------------|
          |  DP  |   Unidentified |    Off    |    D-channel is not    |
          |      |                |           |  available for packet  |
          |      |                |           |         calls          |
          |------+----------------+-----------+------------------------|
          |  T   |   Unidentified |    On     |  Unit is conducting a  |
          |      |                |           |          test          |
          |------+----------------+-----------+------------------------|
          |  T   |   Unidentified |    Off    | Unit is not conducting |
          |      |                |           |         a test         |
          |------+----------------+-----------+------------------------|
          |   PW |   Unidentified |    On     |      Power is on       |
          |------+----------------+-----------+------------------------|
          |   PW |   Unidentified |    Off    |      Power is off      |
          +------------------------------------------------------------+
       
          +---------------------------------------------------------+
          |                  SUPPORTED COMMAND SET                  |
          |---------------------------------------------------------|
          |                    Basic AT Commands                    |
          |---------------------------------------------------------|
          | AT, ‘+++’, A/                                           |
          |---------------------------------------------------------|
          | A, E, O, V, Z                                           |
          |---------------------------------------------------------|
          | &R, &V, &Y, &Z                                          |
          |---------------------------------------------------------|
          |                       S Registers                       |
          |---------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S7, S10, S12, S25, S26          |
          |---------------------------------------------------------|
          |                                                         |
          |---------------------------------------------------------|
          | Note: See MHI Help File for full command documentation. |
          +---------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                    COMMUNICATIONS MODE                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects communications mode options         |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |     &Q0      | Asynchronous mode, serial port speed        |
          |              | follows connect speed.                      |
          |--------------+---------------------------------------------|
          |     &Q1      | Synchronous connect mode; DTR disc delay.   |
          |--------------+---------------------------------------------|
          |     &Q2      | Synchronous connect mode; DTR dialing       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DATA CARRIER DETECT (DCD)                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the behaviour of the CD signal.    |
          |------------------------------------------------------------|
          |       Command       |               Function               |
          |---------------------+--------------------------------------|
          |        í &C0        | DCD forced high.                     |
          |---------------------+--------------------------------------|
          |         &C1         | DCD normal.                          |
          |---------------------+--------------------------------------|
          |         &C2         | DCD forced low on disconnect.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DATA SET READY (DSR)                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DSR options                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &S0      | DSR forced high                             |
          |--------------+---------------------------------------------|
          |     &S1      | DSR high only while modem is handshaking or |
          |              | connected, except in test modes             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            DIAL                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] D<#> [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Dials telephone number according to any     |
          |              | modifiers included in the string            |
          |--------------+---------------------------------------------|
          | Note:        | Any combination of modifiers can be used to |
          |              | produce the desired dial functions in       |
          |              | sequence.                                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     DS=n     | Dial stored telephone number n              |
          |--------------+---------------------------------------------|
          |      D;      | Modem returned to on-line command mode      |
          |              | after dialing. The semicolon can only be    |
          |              | placed at the end of the dial command.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        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 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.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   EXTENDED RESULT CODES                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Wn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables/disables CARRIER/PROTOCOL result    |
          |              | codes                                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     í W0     | CARRIER and PROTOCOL extended result codes  |
          |              | are disabled.                               |
          |--------------+---------------------------------------------|
          |      W1      | CARRIER and PROTOCOL extended result codes  |
          |              | are enabled.                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  FACTORY DEFAULT PROFILE                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Fn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets values in active profile to values     |
          |              | found in the default profile                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &F0      | Load factory profile 0                      |
          |--------------+---------------------------------------------|
          |     &F1      | Load factory profile 1                      |
          |--------------+---------------------------------------------|
          |     &F9      | Reloads global profile                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables flow control options                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &K0      | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |     &K3      | RTS/CTS flow control enabled                |
          |--------------+---------------------------------------------|
          |     &K4      | XON/XOFF flow control enabled               |
          |--------------+---------------------------------------------|
          |     &K5      | Transparent XON/XOFF flow control enabled   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        HOOK CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] H [cmds]                          |
          |--------------+---------------------------------------------|
          | Description: | Commands modem to go on-hook (hang up)      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      |   Reports product ID                        |
          |--------------+---------------------------------------------|
          |      I1      | Reports ROM checksum                        |
          |--------------+---------------------------------------------|
          |      I2      | Tests and reports ROM checksum              |
          |--------------+---------------------------------------------|
          |      I3      | Reports revision information                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        RESTART NET                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Z9 [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Restarts net                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        RESULT CODES                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Qn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables modem to send result codes to the   |
          |              | DTE                                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      Q0      | Result code sending enabled                 |
          |--------------+---------------------------------------------|
          |      Q1      | Result code sending disabled                |
          |--------------+---------------------------------------------|
          |      Q2      | Result code sending disabled during answer  |
          |              | mode                                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SELECT CALL PROGRESS RESULT CODES              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Xn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables selection of tone detection and     |
          |              | associated result code format options       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      X0      | Busy and dial tone detection disabled;      |
          |              | result codes 0 - 4 enabled.                 |
          |--------------+---------------------------------------------|
          |      X1      | Result codes 0 - 5 ,10 - 15, 17 - 19, 28, & |
          |              | 32 enabled.                                 |
          |--------------+---------------------------------------------|
          |      X2      | Result codes 0 - 5 ,10 - 15, 17 - 19, 28, & |
          |              | 32 enabled.                                 |
          |--------------+---------------------------------------------|
          |      X3      | Result codes 0 - 5 , 7, 10 - 15, 17 - 19,   |
          |              | 28, & 32 enabled.                           |
          |--------------+---------------------------------------------|
          |      X4      | Result codes 0 - 5 , 7, 10 - 15, 17 - 19,   |
          |              | 28, & 32 enabled.                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    STORE ACTIVE PROFILE                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Wn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Writes the values for the active profile    |
          |              | into the non-volatile RAM                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &W0      | Write the active profile to stored profile  |
          |              | 0                                           |
          |--------------+---------------------------------------------|
          |     &W1      | Write the active profile to stored profile  |
          |              | 1                                           |
          |--------------+---------------------------------------------|
          |     &W9      | Stores global profile                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TEST MODES                         |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Tn                               |
          |--------------+---------------------------------------------|
          | Description: | Selects test options                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &T0      | End current test                            |
          |--------------+---------------------------------------------|
          |     &T1      | Begin local analog loopback test            |
          |--------------+---------------------------------------------|
          |     &T3      | Begin local digital loopback test           |
          |--------------+---------------------------------------------|
          |     &T8      | Begin bilateral loopback test               |
          |--------------+---------------------------------------------|
          |     &T9      | Begin local terminal loopback test          |
          +------------------------------------------------------------+
       
                             Extended AT Command Set
       
          +------------------------------------------------------------+
          |                        ANSWER MODE                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A99=x [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects the mode the TA will use to answer  |
          |              | calls                                       |
          |------------------------------------------------------------|
          |         Command          |            Function             |
          |--------------------------+---------------------------------|
          |         í %A99=N         | Normal mode enabled             |
          |--------------------------+---------------------------------|
          |          %A99=V          | Voice mode enabled              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         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        | Enbloc dialing enabled.           |
          |------------------------+-----------------------------------|
          |         %A97=O         | Overlap dialing enabled.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        ECHO 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.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     FLOW CONTROL TYPE                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets type of flow control used by modem     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \Q0      | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |     \Q2      | Unidirectional RTS/CTS flow control enabled |
          |--------------+---------------------------------------------|
          |     \Q3      | Bi-directional RTS/CTS flow control enabled |
          |--------------+---------------------------------------------|
          |     \Q4      | Bi-directional XON/XOFF flow control        |
          |              | enabled                                     |
          |--------------+---------------------------------------------|
          |     \Q5      | Transparent XON/XOFF flow control enabled   |
          |--------------+---------------------------------------------|
          |     \Q6      | Unidirectional XON/XOFF flow control        |
          |              | enabled                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       ORIGINATE MODE                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A98=x [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects the mode the TA will use to         |
          |              | originate calls                             |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |       í %A98=N        | Normal mode enabled                |
          |-----------------------+------------------------------------|
          |        %A98=V         | Voice mode enabled                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          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.       |
          |--------------------+---------------------------------------|
          |       %A2=1        | TA will use TLink.                    |
          |--------------------+---------------------------------------|
          |      í %A2=2       | TA will use V.120 protocol.           |
          |--------------------+---------------------------------------|
          |       %A2=3        | TA will use Bonding mode              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          RESTART                           |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Z1 [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Restarts UTA                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     TRANSMISSION SPEED                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %A4=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the transmission speed of the TA.      |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |      í %A4=0      | Transmission speed is 64Kbps.          |
          |-------------------+----------------------------------------|
          |       %A4=1       | Transmission speed is 56Kbps.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   V.120 FRAME SELECTION                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %E9=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects frame usage                         |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |      %E9=0       | I Frames enabled                        |
          |------------------+-----------------------------------------|
          |     í %E9=1      | UI Frames enabled                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       V.120 PROTOCOL                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %E7=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets communications mode                    |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     %E7=0     | Transparent to all bits (SYNC/ASYNC)       |
          |               | according to &Q                            |
          |---------------+--------------------------------------------|
          |    í %E7=1    | Protocols enabled (SDLC)                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  V.120 RECEIVE FRAME SIZE                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %E1=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 260                                         |
          |--------------+---------------------------------------------|
          | 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:     | 260                                         |
          |--------------+---------------------------------------------|
          | 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:     |   5                                         |
          |--------------+---------------------------------------------|
          | 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:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the V.120 window.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      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]                   |
          |--------------+---------------------------------------------|
          | Default:     | 0000                                        |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | 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:        | Read-only                                   |
          |--------------+---------------------------------------------|
          | 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-BIT CONFIRMATION                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B7=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Enablbes/disables X.25 D-bit confirmation   |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |      í %B7=0      | X.25 D-bit confirmation disabled.      |
          |-------------------+----------------------------------------|
          |       %B7=1       | X.25 D-bit confirmation enabled.       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    X.25 LOGICAL CHANNEL                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B6=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 1                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Selects the logical channel for X.25        |
          |              | operation.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   X.25 PACKET CALL TIMER                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B98=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 180                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 600                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the packet call timer for X.25         |
          |              | operation.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 X.25 OUTGOING CALL ADDRESS                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B17=nnnn [cmds]                  |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 15                                      |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the address for an outgoing X.25       |
          |              | virtual call.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          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:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | 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:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | 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]                  |
          |--------------+---------------------------------------------|
          | Default:     | 0000                                        |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 16                                      |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the RPOA for X.25.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    X.25 TRANSMIT DELAY                     |
          |------------------------------------------------------------|
          | 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:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | 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:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the size of the X.25 transmit window.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       X.25 USER DATA                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B18=xxxx [cmds]                  |
          |--------------+---------------------------------------------|
          | Default:     | 0000                                        |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 12                                      |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets miscellaneous user data for X.25.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        X.25 USER ID                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %B13=xxxx [cmds]                  |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 16                                      |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the network user ID for X.25.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.3 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.3 PAD BREAK RESPONSE                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L7=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets action the PAD takes in response to    |
          |              | receiving a BREAK from the DTE.             |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |     %L7=0      | Response disabled                         |
          |----------------+-------------------------------------------|
          |     %L7=1      | Send interrupt packet                     |
          |----------------+-------------------------------------------|
          |     %L7=2      | Send reset packet                         |
          |----------------+-------------------------------------------|
          |     %L7=5      | Send interrupt and indication of break    |
          |                | packets                                   |
          |----------------+-------------------------------------------|
          |     %L7=8      | Escape from data state                    |
          |----------------+-------------------------------------------|
          |     %L7=21     | Send interrupt and indication of break    |
          |                | packets and set %L8 to 1                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             X.3 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.3 PAD CARRIAGE RETURN TRANSLATION             |
          |------------------------------------------------------------|
          | Type:          | Configuration                             |
          |----------------+-------------------------------------------|
          | Format:        | AT [cmds] %L13=n [cmds]                   |
          |----------------+-------------------------------------------|
          | Default:       | 0                                         |
          |----------------+-------------------------------------------|
          | 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.3 PAD CHARACTER DELETE                  |
          |------------------------------------------------------------|
          | 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.3 PAD DATA EDITING                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L15=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects whether editing the data being      |
          |              | transferred is allowed.                     |
          |------------------------------------------------------------|
          |         Command         |             Function             |
          |-------------------------+----------------------------------|
          |         %L15=0          | Editing disabled.                |
          |-------------------------+----------------------------------|
          |         %L15=1          | Editing enabled.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    X.3 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.3 PAD - DTE 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.3 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.3 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.3 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.             |
          |-----------------------+------------------------------------|
          |        %L12=1         | Flow control enabled.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     X.3 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.3 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.3 PAD LINE DELETE                     |
          |------------------------------------------------------------|
          | 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.3 PAD LINE DISPLAY                    |
          |------------------------------------------------------------|
          | 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.3 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.3 PAD PAGE WAIT                      |
          |------------------------------------------------------------|
          | 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.3 PAD PARITY                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L21=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects the format of the parity bit.       |
          |------------------------------------------------------------|
          |        Command         |             Function              |
          |------------------------+-----------------------------------|
          |        í %L21=0        | No parity.                        |
          |------------------------+-----------------------------------|
          |         %L21=3         | Use setting in @P3.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       X.3 PAD RECALL                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L1=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0, 1, 32 - 126                              |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the character for PAD recall. %L1=0    |
          |              | disables recall, %L1=1 selects DLE control  |
          |              | character.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  X.3 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=5     | All signals will be sent.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             X.3 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.     |
          +------------------------------------------------------------+
       
                                 Special Commands
       
          +------------------------------------------------------------+
          |                        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=E      | EIA-366 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. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CONTROL PORT SELECTION                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] >Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects control port                        |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      >C0      | Exits control mode                         |
          |---------------+--------------------------------------------|
          |      >C1      | Control port 1 enabled                     |
          |---------------+--------------------------------------------|
          |      >C2      | Control port 2 enabled                     |
          |---------------+--------------------------------------------|
          |      >C3      | Control port 3 enabled                     |
          |---------------+--------------------------------------------|
          |      >C4      | Control port 4 enabled                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        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            |
          |----------------------------+-------------------------------|
          |          í @P3=E           | Even parity.                  |
          |----------------------------+-------------------------------|
          |           @P3=M            | Mark parity.                  |
          |----------------------------+-------------------------------|
          |           @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.                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DIRECTORY NUMBER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT !N=<#>                                   |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 20                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the directory number by port           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   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 global parameters.                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      FRONT PANEL LOCK                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] >Fn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Prevents front panel configuration changes. |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í >F0     | All actions allowed from front panel.      |
          |---------------+--------------------------------------------|
          |      >F1      | Configuration changes from front panel not |
          |               | allowed.                                   |
          |---------------+--------------------------------------------|
          |      >F2      | No actions allowed from front panel.       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  LOCAL SERIAL PORT SPEED                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @P2=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed of operation for the serial  |
          |              | port. Speeds higher than 38.4Kbps disables  |
          |              | autobaud                                    |
          |--------------+---------------------------------------------|
          | Note:        | Spee can be entered using command code or   |
          |              | by entering the bit rate value              |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |      @P2=3       | Set serial port speed to 300bps.        |
          |------------------+-----------------------------------------|
          |      @P2=5       | Set serial port speed to 1200bps.       |
          |------------------+-----------------------------------------|
          |      @P2=6       | Set serial port speed to 2400bps.       |
          |------------------+-----------------------------------------|
          |      @P2=7       | Set serial port speed to 4800bps.       |
          |------------------+-----------------------------------------|
          |      @P2=9       | Set serial port speed to 9600bps.       |
          |------------------+-----------------------------------------|
          |      @P2=12      | Set serial port speed to 19.2Kbps.      |
          |------------------+-----------------------------------------|
          |     í @P2=13     | Set serial port speed to 38.4Kbps.      |
          |------------------+-----------------------------------------|
          |      @P2=17      | Set serial port speed to 56.0Kbps.      |
          |------------------+-----------------------------------------|
          |      @P2=18      | Set serial port speed to 57.6Kbps.      |
          |------------------+-----------------------------------------|
          |      @P2=19      | Set serial port speed to 64.0Kbps.      |
          |------------------+-----------------------------------------|
          |      @P2=20      | Set serial port speed to 112.0Kbps.     |
          |------------------+-----------------------------------------|
          |      @P2=21      | Set serial port speed to 128.0Kbps.     |
          |------------------+-----------------------------------------|
          |      @P2=22      | Set serial port speed to 115.2Kbps.     |
          |------------------+-----------------------------------------|
          |      @P2=32      | Set serial port speed to 48.0Kbps.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        SPID NUMBER                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !C2=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 20                                      |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the SPID number associated with a      |
          |              | particular port                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        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.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        TEI DATA SET                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !D3=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 127                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 63, 255                                 |
          |--------------+---------------------------------------------|
          | Description: | Determines data Terminal Endpoint           |
          |              | Identifier. !D3=127 disables function.      |
          |              | !D3=255 sets parameter to auto              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        TEI X.25 SET                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] !D0=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 127                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 63, 255                                 |
          |--------------+---------------------------------------------|
          | Description: | Determines the Terminal Endpoint Identifier |
          |              | for X.25. !D0=127 disables function.        |
          |              | !D0=255 sets parameter to auto              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TEST MODES                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] >Tn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables/disables test modes.                |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |          >T0          | End test                           |
          |-----------------------+------------------------------------|
          |          >T4          | 2B+D loopback                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TLINK DTR                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @T1=x [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Controls data terminal ready function in    |
          |              | TLink mode                                  |
          |------------------------------------------------------------|
          |          Command          |            Function            |
          |---------------------------+--------------------------------|
          |           @T1=A           | DTR forced high                |
          |---------------------------+--------------------------------|
          |          í @T1=N          | DTR normal                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TLINK ECHO                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @T0=x [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Enables/disables TLink echo function        |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |       @T0=E       | TLink echo function enabled            |
          |-------------------+----------------------------------------|
          |      í @T0=D      | TLink echo function disabled           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     TLINK NEGOTIATION                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @T3=x [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Enables/disables TLink negotiation          |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |      í @T3=E      | TLink negotiation enabled              |
          |-------------------+----------------------------------------|
          |       @T3=D       | TLink negotiation disabled             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TLINK RTS                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @T1=x [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Controls request to send function in TLink  |
          |              | mode                                        |
          |------------------------------------------------------------|
          |          Command           |           Function            |
          |----------------------------+-------------------------------|
          |           @T2=A            | RTS forced high               |
          |----------------------------+-------------------------------|
          |          í @T2=N           | RTS normal                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       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.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       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:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | 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:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | 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:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the number of outgoing 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:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | 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:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | 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.  |
          +------------------------------------------------------------+