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       # BOCA RESEARCH, INC.
       
          PRO16SA
       
          Card Type              Modem (synchronous/asynchronous)        
          Chip Set               Unidentified                            
          Maximum Data Rate      28.8Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Bus               Serial                                  
          Fax Class              Class II                                
          Data Modulation        Bell 103A/212A                          
          Protocol                                                       
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis, V.34                           
                                                                         
                                 Rockwell V.FC                           
          Fax Modulation         ITU-T V.17, V.27ter, V.29               
          Protocol               
          Error                  MNP5, MNP10, V.42, V.42bis              
          Correction/Compression 
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function      | Label |        Function        | Label |
          |-------------------+-------+------------------------+-------|
          | Mode button       |  BT1  | Serial port            |  CN2  |
          |-------------------+-------+------------------------+-------|
          | Talk/Data button  |  BT2  | Telephone line out     |  CN3  |
          |-------------------+-------+------------------------+-------|
          | DC power in       |  CN1  | Power switch           |  SW2  |
          |------------------------------------------------------------|
          |      Note: BT1 may be used to change the modem's speed     |
          |      when the command set is disabled.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Setting                 | Label | Position  |
          |----------------------------------------+-------+-----------|
          | í Modem is configured for switched     |  JP1  | Pins 1 &  |
          | line mode                              |       | 2 closed  |
          |----------------------------------------+-------+-----------|
          | Modem is configured for leased line    |  JP1  | Pins 2 &  |
          | mode                                   |       | 3 closed  |
          |----------------------------------------+-------+-----------|
          | í DTR normal (when %F1 set only)       | SW1/1 |    Off    |
          |----------------------------------------+-------+-----------|
          | DTR forced high (when %F1 set only)    | SW1/1 |    On     |
          |----------------------------------------+-------+-----------|
          | í DSR normal (when %F1 set only)       | SW1/2 |    Off    |
          |----------------------------------------+-------+-----------|
          | DSR follows DTR (when %F1 set only)    | SW1/2 |    On     |
          |----------------------------------------+-------+-----------|
          | í Test pattern disabled (when #F1 set  | SW1/3 |    Off    |
          | and SW1/4 off only)                    |       |           |
          |----------------------------------------+-------+-----------|
          | Test pattern enabled (when #F1 set and | SW1/3 |    On     |
          | SW1/4 off only)                        |       |           |
          |----------------------------------------+-------+-----------|
          | Auto-answer enabled (when SW1/4 on)    | SW1/3 |    Off    |
          |----------------------------------------+-------+-----------|
          | Auto-answer disabled (when SW1/4 on)   | SW1/3 |    On     |
          |----------------------------------------+-------+-----------|
          | í Command set enabled                  | SW1/4 |    Off    |
          |----------------------------------------+-------+-----------|
          | Command set disabled                   | SW1/4 |    On     |
          |----------------------------------------+-------+-----------|
          | í Analog loopback test disabled (when  | SW1/5 |    Off    |
          | #F1 set and SW1/4 off only)            |       |           |
          |----------------------------------------+-------+-----------|
          | Analog loopback test enabled (when #F1 | SW1/5 |    On     |
          | set and SW1/4 off only)                |       |           |
          |----------------------------------------+-------+-----------|
          | Modem will operate in asynchronous     | SW1/5 |    Off    |
          | mode (when SW1/4 on)                   |       |           |
          |----------------------------------------+-------+-----------|
          | Modem will operate in synchronous mode | SW1/5 |    On     |
          | (when SW1/4 on)                        |       |           |
          |----------------------------------------+-------+-----------|
          | í Remote digital loopback test         | SW1/6 |    Off    |
          | disabled (when #F1 set and SW1/4 off   |       |           |
          | only)                                  |       |           |
          |----------------------------------------+-------+-----------|
          | Remote digital loopback test enabled   | SW1/6 |    On     |
          | (when #F1 set and SW1/4 off only)      |       |           |
          |----------------------------------------+-------+-----------|
          | Modem will operate in answer mode      | SW1/6 |    Off    |
          | (when SW1/4 on)                        |       |           |
          |----------------------------------------+-------+-----------|
          | Modem will operate in originate mode   | SW1/6 |    On     |
          | (when SW1/4 on)                        |       |           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |         COMMAND SET SELECTION (WHEN %F0 SET ONLY)          |
          |------------------------------------------------------------|
          |                  Setting                   | SW1/1 | SW1/2 |
          |--------------------------------------------+-------+-------|
          |       í Asynchronous AT command set        |  Off  |  Off  |
          |--------------------------------------------+-------+-------|
          |      Asynchronous V.25bis command set      |  Off  |  On   |
          |--------------------------------------------+-------+-------|
          |  Synchronous V.25bis command set in HDLC   |  On   |  Off  |
          |                    mode                    |       |       |
          |--------------------------------------------+-------+-------|
          |     Synchronous V.25bis command set in     |  On   |  On   |
          |             bisynchronous mode             |       |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |  LED  | Color  |  Status  |           Condition            |
          |-------+--------+----------+--------------------------------|
          |  TD   |  Red   | Blinking |   Modem is transmitting data   |
          |-------+--------+----------+--------------------------------|
          |  TD   |  Red   |   Off    | Modem is not transmitting data |
          |-------+--------+----------+--------------------------------|
          |  RD   |  Red   | Blinking |    Modem is receiving data     |
          |-------+--------+----------+--------------------------------|
          |  RD   |  Red   |   Off    |  Modem is not receiving data   |
          |-------+--------+----------+--------------------------------|
          |  OH   |  Red   |    On    |       Modem is off-hook        |
          |-------+--------+----------+--------------------------------|
          |  OH   |  Red   |   Off    |        Modem is on-hook        |
          |-------+--------+----------+--------------------------------|
          |  CD   |  Red   |    On    |    Carrier signal detected     |
          |-------+--------+----------+--------------------------------|
          |  CD   |  Red   |   Off    |  Carrier signal not detected   |
          |-------+--------+----------+--------------------------------|
          |  AA   |  Red   |    On    |      Auto-answer enabled       |
          |-------+--------+----------+--------------------------------|
          |  AA   |  Red   |   Off    |      Auto-answer disabled      |
          |-------+--------+----------+--------------------------------|
          |  AA   |  Red   | Blinking |     Modem is in test mode      |
          |-------+--------+----------+--------------------------------|
          |  TR   |  Red   |    On    |       DTR signal is high       |
          |-------+--------+----------+--------------------------------|
          |  TR   |  Red   |   Off    |       DTR signal is low        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DIAGNOSTIC LED(S) (CON’T)                  |
          |------------------------------------------------------------|
          | 1 Status | 2 Status | 3 Status |         Condition         |
          |----------+----------+----------+---------------------------|
          |   Slow   |   Off    |   Off    |   Modem is connected at   |
          |  blink   |          |          |          300bps           |
          |----------+----------+----------+---------------------------|
          |   Slow   |   Off    |    On    |   Modem is connected at   |
          |  blink   |          |          |        1200/75bps         |
          |----------+----------+----------+---------------------------|
          |   Slow   |    On    |   Off    |   Modem is connected at   |
          |  blink   |          |          |          1200bps          |
          |----------+----------+----------+---------------------------|
          |   Slow   |    On    |    On    |   Modem is connected at   |
          |  blink   |          |          |          2400bps          |
          |----------+----------+----------+---------------------------|
          |   Off    |    On    |    On    |   Modem is connected at   |
          |          |          |          |          4800bps          |
          |----------+----------+----------+---------------------------|
          |    On    |   Off    |   Off    |   Modem is connected at   |
          |          |          |          |          7200bps          |
          |----------+----------+----------+---------------------------|
          |    On    |   Off    |    On    |   Modem is connected at   |
          |          |          |          |          9600bps          |
          |----------+----------+----------+---------------------------|
          |    On    |    On    |   Off    |   Modem is connected at   |
          |          |          |          |          12Kbps           |
          |----------+----------+----------+---------------------------|
          |    On    |    On    |    On    |   Modem is connected at   |
          |          |          |          |         14.4Kbps          |
          |----------+----------+----------+---------------------------|
          |  Medium  |    On    |   Off    |   Modem is connected at   |
          |  blink   |          |          |         16.8Kbps          |
          |----------+----------+----------+---------------------------|
          |  Medium  |   Off    |    On    |   Modem is connected at   |
          |  blink   |          |          |         19.2Kbps          |
          |----------+----------+----------+---------------------------|
          |  Medium  |    On    |    On    |   Modem is connected at   |
          |  blink   |          |          |         21.6Kbps          |
          |----------+----------+----------+---------------------------|
          |   Fast   |   Off    |   Off    |   Modem is connected at   |
          |  blink   |          |          |          24Kbps           |
          |----------+----------+----------+---------------------------|
          |   Fast   |    On    |   Off    |   Modem is connected at   |
          |  blink   |          |          |         26.4Kbps          |
          |----------+----------+----------+---------------------------|
          |   Fast   |    On    |    On    |   Modem is connected at   |
          |  blink   |          |          |         28.8Kbps          |
          |----------+----------+----------+---------------------------|
          |   Off    |   Off    |   Slow   |   Modem is connected at   |
          |          |          |  blink   |    2400bps in fax mode    |
          |----------+----------+----------+---------------------------|
          |   Off    |    On    |   Slow   |   Modem is connected at   |
          |          |          |  blink   |    4800bps in fax mode    |
          |----------+----------+----------+---------------------------|
          |    On    |   Off    |   Slow   |   Modem is connected at   |
          |          |          |  blink   |    7200bps in fax mode    |
          |----------+----------+----------+---------------------------|
          |    On    |    On    |   Slow   |   Modem is connected at   |
          |          |          |  blink   |    9600bps in fax mode    |
          |----------+----------+----------+---------------------------|
          |    On    |   Slow   |   Slow   |   Modem is connected at   |
          |          |  blink   |  blink   |   14.4Kbps in fax mode    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                SUPPORTED STANDARD COMMANDS                 |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | +++, ‘comma’, A/                                           |
          |------------------------------------------------------------|
          | A, E, H, L, N, P, T, V, W, Z                               |
          |------------------------------------------------------------|
          | &D, &F, &G, &P, &R, &S, &T, &W, &X, &Y, &Z                 |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \A, \B, \N, \Q, \T, \X                                     |
          |------------------------------------------------------------|
          | %C, %E, %Q                                                 |
          |------------------------------------------------------------|
          |                    Special AT Commands                     |
          |------------------------------------------------------------|
          | :E, *H, -K, )M, -Q                                         |
          |------------------------------------------------------------|
          |                        S-Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S16, S18, S25, S26, S29, S30, S38, S95                     |
          |------------------------------------------------------------|
          |                      V.25bis Commands                      |
          |------------------------------------------------------------|
          | The V.25bis command set is unidentified.                   |
          |------------------------------------------------------------|
          |      Note: See MHI help file for complete information.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   UNIDENTIFIED COMMANDS                    |
          |------------------------------------------------------------|
          |          Command           |            Default            |
          |----------------------------+-------------------------------|
          |             F              |         Unidentified          |
          |----------------------------+-------------------------------|
          |             \K             |               5               |
          |----------------------------+-------------------------------|
          |             &Q             |         Unidentified          |
          |----------------------------+-------------------------------|
          |             #R             |           Immediate           |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                      AUTO-RANGE TIME                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S47=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 8                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 second                                    |
          |--------------+---------------------------------------------|
          | Description: | The function of this command is             |
          |              | unidentified.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        BREAK LENGTH                        |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S43=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 15                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 mS                                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the default length of transmitted      |
          |              | break signals.                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BUFFER FAILSAFE OVERRUN                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S82=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 60                                          |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 byte                                      |
          |--------------+---------------------------------------------|
          | Description: | The function of this command is             |
          |              | unidentified.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    BUFFER MAXIMUM LEVEL                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S80=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 15                                          |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 19                                      |
          |--------------+---------------------------------------------|
          | Unit:        | 5% of the total buffer space                |
          |--------------+---------------------------------------------|
          | Description: | Sets the percentage of the buffer that must |
          |              | be full before the modem sends the          |
          |              | character or signal to pause the data.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    BUFFER MINIMUM LEVEL                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S81=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 3                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 19                                      |
          |--------------+---------------------------------------------|
          | Unit:        | 5% of the total buffer space                |
          |--------------+---------------------------------------------|
          | Description: | Sets the percentage of the buffer that must |
          |              | be empty before the modem sends the         |
          |              | character or signal to restart the data.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      BUFFER OVERFLOW                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #On [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the modem's response when a buffer     |
          |              | overflows.                                  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í #O0     | Modem drops incoming characters when buffer |
          |              | overflows.                                  |
          |--------------+---------------------------------------------|
          |     #O1      | Modem disconnects when transmit buffer      |
          |              | overflows.                                  |
          |--------------+---------------------------------------------|
          |     #O2      | Modem disconnects when receive buffer       |
          |              | overflows.                                  |
          |--------------+---------------------------------------------|
          |     #O3      | Modem disconnects when either buffer        |
          |              | overflows.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       CALLBACK DELAY                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S27=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 second                                    |
          |--------------+---------------------------------------------|
          | Description: | Sets the amount of time that must elapse    |
          |              | between the modem disconnecting and         |
          |              | beginning a callback sequence.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CALLING TONE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls whether the modem will send a V.25 |
          |              | calling tone when originating a call.       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     #C0      | Calling tone disabled.                      |
          |--------------+---------------------------------------------|
          |    í #C1     | Calling tone enabled.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CLOCK START                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Hn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects when the modem begins generating a  |
          |              | clock signal when in synchronous mode.      |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |     í &H0      | Clock signal always generated.            |
          |----------------+-------------------------------------------|
          |      &H1       | Clock signal only generated after modem   |
          |                | is connected.                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COMMAND LINE TIMEOUT                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S69=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 60                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 second                                    |
          |--------------+---------------------------------------------|
          | Description: | The function of this register is            |
          |              | unidentified.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMMAND SET                         |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the command set the modem will      |
          |              | recognise.                                  |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í #M0     | Asynchronous AT command set enabled.       |
          |---------------+--------------------------------------------|
          |      #M1      | Asynchronous V.25bis command set enabled.  |
          |---------------+--------------------------------------------|
          |      #M2      | Synchronous V.25bis command set enabled in |
          |               | HDLC mode.                                 |
          |---------------+--------------------------------------------|
          |      #M3      | Synchronous V.25bis command set enabled in |
          |               | bisynchronous mode.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COMMAND VERIFICATION                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem verifies entered  |
          |              | commands.                                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     #V0      | Command verification disabled.              |
          |--------------+---------------------------------------------|
          |    í #V1     | Command verification enabled.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COMMUNICATIONS MODE                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects communications mode.                |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |    í &M0     | Modem operates in asynchronous mode.        |
          |--------------+---------------------------------------------|
          |     &M1      | Modem operates in synchronous connect mode  |
          |              | and asynchronous off-line command mode.     |
          |--------------+---------------------------------------------|
          |     &M2      | Modem operates in synchronous mode; DTR     |
          |              | dialing enabled.                            |
          |--------------+---------------------------------------------|
          |     &M4      | Modem operates in asynchronous mode; DTR    |
          |              | dialing enabled.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      CONNECT MESSAGE                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Pn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets when DCD is raised compared to when    |
          |              | the CONNECT message is displayed.           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %P0     | DCD is raised before CONNECT message is     |
          |              | displayed.                                  |
          |--------------+---------------------------------------------|
          |     %P1      | DCD is raised after CONNECT message is      |
          |              | displayed.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CTS SIGNAL                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the behaviour of the CTS signal.   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %K0     | CTS normal.                                 |
          |--------------+---------------------------------------------|
          |     %K1      | CTS forced low during dialing and           |
          |              | handshaking.                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CTS SIGNAL                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Rn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the behaviour of the CTS signal.   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %R0     | CTS signal controlled by &R command.        |
          |--------------+---------------------------------------------|
          |     %R1      | CTS follows RTS.                            |
          |--------------+---------------------------------------------|
          |     %R2      | CTS follows DTR when off-line.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        DATA LENGTH                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the length of data words for the    |
          |              | local serial port.                          |
          |------------------------------------------------------------|
          |     Command     |                 Function                 |
          |-----------------+------------------------------------------|
          |       &B0       | 8 bit data words selected.               |
          |-----------------+------------------------------------------|
          |       &B1       | 9 bit data words selected.               |
          |-----------------+------------------------------------------|
          |       &B2       | 10 bit data words selected.              |
          |-----------------+------------------------------------------|
          |       &B3       | 11 bit data words selected.              |
          |-----------------+------------------------------------------|
          |      í &B4      | Modem auto-detects 10 or 11 bit word     |
          |                 | length.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         DCD SIGNAL                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the behaviour of the DCD signal.   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &C0      | DCD forced high.                            |
          |--------------+---------------------------------------------|
          |    í &C1     | DCD forced high after carrier signal is     |
          |              | detected.                                   |
          |--------------+---------------------------------------------|
          |     &C2      | DCD forced high except at disconnect.       |
          |--------------+---------------------------------------------|
          |     &C3      | DCD forced high for voice mode.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         DCD SIGNAL                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Tn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the behaviour of the DCD signal.   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %T0     | DCD normal.                                 |
          |--------------+---------------------------------------------|
          |     %T1      | DCD forced high.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       DES ENCRYPTION                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will use DES      |
          |              | en/decryption on transmitted and received   |
          |              | data.                                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í #E0     | DES encryption disabled.                    |
          |--------------+---------------------------------------------|
          |     #E1      | DES encryption enabled.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            DIAL                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] D<#>;[cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Dials the telephone number indicated        |
          |              | according to any modifiers included in the  |
          |              | string.                                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      DF      | Calling tone disabled for this call.        |
          |--------------+---------------------------------------------|
          |      DJ      | MNP10 link will be negotiated at 1200bps    |
          |              | for this call.                              |
          |--------------+---------------------------------------------|
          |      DK      | MNP10 power level adjustment enabled for    |
          |              | this call.                                  |
          |--------------+---------------------------------------------|
          |      DL      | Re-dial last number.                        |
          |--------------+---------------------------------------------|
          |      DM      | Make a LAPM reliable mode connection this   |
          |              | call.                                       |
          |--------------+---------------------------------------------|
          |      DP      | Pulse dialing enabled.                      |
          |--------------+---------------------------------------------|
          |      DR      | Answer mode enabled; originate mode         |
          |              | disabled following handshake initiation.    |
          |--------------+---------------------------------------------|
          |     DS=n     | Dial stored telephone number n.             |
          |--------------+---------------------------------------------|
          |      DT      | Tone dialing enabled.                       |
          |--------------+---------------------------------------------|
          |      DW      | Dialing resumed following dial tone         |
          |              | detection.                                  |
          |--------------+---------------------------------------------|
          |      D,      | Dialing paused for amount of time specified |
          |              | in S8 register.                             |
          |--------------+---------------------------------------------|
          |      D!      | Flash function initiated. Modem commanded   |
          |              | to go off-hook for specified time before    |
          |              | returning on-hook.                          |
          |--------------+---------------------------------------------|
          |      D@      | Wait for Quiet Answer function enabled.     |
          |              | Modem waits until a "quiet answer," a       |
          |              | ring-back signal followed by silence up to  |
          |              | the time specified in S7, is received prior |
          |              | to executing the rest of the dial string.   |
          |--------------+---------------------------------------------|
          |      D^      | Calling tone disabled for this call.        |
          |--------------+---------------------------------------------|
          |      D;      | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       DIRECT CALLING                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem may use V.25bis   |
          |              | direct calling procedures.                  |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |       í #D0       | V.25bis direct calling procedures      |
          |                   | disabled.                              |
          |-------------------+----------------------------------------|
          |        #D1        | V.25bis direct calling procedures      |
          |                   | enabled.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DIRECT MODE FALLBACK                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Jn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem is allowed to     |
          |              | fall back to direct mode.                   |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |       í \J0       | Direct mode fallback disabled.         |
          |-------------------+----------------------------------------|
          |        \J1        | Direct mode fallback enabled.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DISCONNECT CAUSE                      |
          |------------------------------------------------------------|
          | Type:        | Register (read-only)                        |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S42? [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | The meanings of the values for this         |
          |              | register are unidentified.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              DISCONNECT CAUSE - PREVIOUS CALL              |
          |------------------------------------------------------------|
          | Type:        | Register (read-only)                        |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S74? [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | The meanings of the values for this         |
          |              | register are unidentified.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DISCONNECT DELAY                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | 1 second                                    |
          |--------------+---------------------------------------------|
          | Description: | Sets the delay before disconnection.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            DISPLAY CONFIGURATION AND STATISTICS            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \S [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays the settings of all commands and   |
          |              | statistics about the current connection.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DISPLAY INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested about the    |
          |              | modem.                                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Displays product identification code.       |
          |--------------+---------------------------------------------|
          |      I1      | Displays ROM checksum.                      |
          |--------------+---------------------------------------------|
          |      I2      | Tests and displays ROM checksum result.     |
          |--------------+---------------------------------------------|
          |      I3      | Displays modem manufacturer.                |
          |--------------+---------------------------------------------|
          |      I4      | Displays firmware revision and release      |
          |              | date.                                       |
          |--------------+---------------------------------------------|
          |      I5      | Displays manufacturer information.          |
          |--------------+---------------------------------------------|
          |      I9      | Displays firmware model.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DISPLAY PROFILES                      |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Displays the configuration profile          |
          |              | indicated.                                  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      &V      | Displays current command settings.          |
          |--------------+---------------------------------------------|
          |     &V0      | Displays stored profile 0.                  |
          |--------------+---------------------------------------------|
          |     &V1      | Displays stored profile 1.                  |
          |--------------+---------------------------------------------|
          |     &V2      | Displays stored profile 2.                  |
          |--------------+---------------------------------------------|
          |     &V3      | Displays stored profile 3.                  |
          |--------------+---------------------------------------------|
          |     &V8      | Displays the differences between the active |
          |              | and the default profile.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         DSR SIGNAL                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the behaviour of the DSR signal.   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %S0     | DSR normal.                                 |
          |--------------+---------------------------------------------|
          |     %S1      | DSR follows DTR.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   EXTENDED RESULT CODES                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects which extended result codes the     |
          |              | modem will display.                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %U0     | /REL result codes will be displayed for all |
          |              | error correction connections.               |
          |--------------+---------------------------------------------|
          |     %U1      | V.42 result codes will be displayed.        |
          |--------------+---------------------------------------------|
          |     %U2      | V.42 and V.42bis, MNP2 - 5, MNP10, and DES  |
          |              | result codes will be displayed.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                EXTENDED RESULT CODES - /REL                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects /REL extended result codes.         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \V0     | /REL result codes disabled.                 |
          |--------------+---------------------------------------------|
          |     \V1      | /REL result codes enabled.                  |
          |--------------+---------------------------------------------|
          |     \V8      | Extended result codes enabled.              |
          |--------------+---------------------------------------------|
          |     \V9      | Extended result codes enabled with          |
          |              | diagnostic information.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  FLASH DIAL MODIFIER TIME                  |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S100=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 5                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 10                                      |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Time the modem will go on-hook upon         |
          |              | receiving the ! dial modifier in dial       |
          |              | string.                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the type of flow control the modem  |
          |              | will use.                                   |
          |--------------+---------------------------------------------|
          |   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.  |
          |--------------+---------------------------------------------|
          |    í &K9     | Failsafe flow control enabled.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            FRONT PANEL SWITCHES SW1/1 AND SW1/2            |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Fn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the function of front panel        |
          |              | switches SW1/1 and SW1/2.                   |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      %F0      | Switches SW1/1 and SW1/2 control V.25bis   |
          |               | settings.                                  |
          |---------------+--------------------------------------------|
          |     í %F1     | Switches SW1/1 and SW1/2 control DSR and   |
          |               | DTR settings.                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     FRONT PANEL TESTS                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Fn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the front panel switches    |
          |              | may be used to cause the modem to enter a   |
          |              | test mode.                                  |
          |------------------------------------------------------------|
          |      Command      |                Function                |
          |-------------------+----------------------------------------|
          |       í #F0       | Front panel test modes disabled.       |
          |-------------------+----------------------------------------|
          |        #F1        | Front panel test modes enabled.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            HELP                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] ? [cmds]                          |
          |--------------+---------------------------------------------|
          | Description: | Displays help on the modem's commands.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     HELP SCREEN LENGTH                     |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S97=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 24                                          |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 line                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the number of lines of text of the     |
          |              | help screen the modem will display before   |
          |              | pausing.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     HELP SCREEN WIDTH                      |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S96=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 80                                          |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 column                                    |
          |--------------+---------------------------------------------|
          | Description: | Sets the number of characters wide the      |
          |              | modem will format the help screen to        |
          |              | display.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 INTERRUPT DIALING SEQUENCE                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether a dial or connect sequence  |
          |              | may be interrupted by user input.           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &N0      | Dial interrupt disabled.                    |
          |--------------+---------------------------------------------|
          |    í &N1     | Dial interrupt enabled.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          LED MODE                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets what the front-panel LEDs indicate.    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %M0     | LEDs indicate line speed.                   |
          |--------------+---------------------------------------------|
          |     %M1      | LEDs indicate line quality, V.42 and MNP    |
          |              | errors, and flow control.                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         LINE TYPE                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the type of telephone line the      |
          |              | modem is connected to.                      |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í &L0     | Modem is connected to switched line.       |
          |---------------+--------------------------------------------|
          |      &L1      | Modem is connected to leased line.         |
          |---------------+--------------------------------------------|
          |      &L2      | Modem is connected to leased line in       |
          |               | auto-originate mode.                       |
          |---------------+--------------------------------------------|
          |      &L3      | Modem is connected to leased line in       |
          |               | auto-answer mode.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  LOCAL SERIAL PORT SPEED                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Rn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed of the local serial port.    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      R9      | Set local serial port speed to 9600bps.     |
          |--------------+---------------------------------------------|
          |     R14      | Set local serial port speed to 14.4Kbps.    |
          |--------------+---------------------------------------------|
          |     R19      | Set local serial port speed to 19.2Kbps.    |
          |--------------+---------------------------------------------|
          |     R28      | Set local serial port speed to 28.8Kbps.    |
          |--------------+---------------------------------------------|
          |     R38      | Set local serial port speed to 38.4Kbps.    |
          |--------------+---------------------------------------------|
          |     R57      | Set local serial port speed to 57.6Kbps.    |
          |--------------+---------------------------------------------|
          |     R115     | Set local serial port speed to 115.2Kbps.   |
          |--------------+---------------------------------------------|
          |     R230     | Set local serial port speed to 230.4Kbps.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           LOCAL SERIAL PORT SPEED - NON-STANDARD           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects non-standard serial port speeds     |
          |              | above 14.4Kbps.                             |
          |------------------------------------------------------------|
          |     Command     |                 Function                 |
          |-----------------+------------------------------------------|
          |      í %N0      | Standard serial port speeds used.        |
          |-----------------+------------------------------------------|
          |       %N1       | Speeds above 14.4Kbps are 20.8Kbps,      |
          |                 | 41.6Kbps, and 62.4Kbps.                  |
          |-----------------+------------------------------------------|
          |       %N2       | Speeds above 14.4Kbps are 19.2Kbps,      |
          |                 | 28.8Kbps, 38.4Kbps, and 51.2Kbps.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           LOCAL SERIAL PORT SPEED - V.25bis MODE           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed of the local serial port     |
          |              | when in V.25bis mode.                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     #Q9      | Set local serial port speed to 9600bps.     |
          |--------------+---------------------------------------------|
          |     #Q14     | Set local serial port speed to 14.4Kbps.    |
          |--------------+---------------------------------------------|
          |     #Q19     | Set local serial port speed to 19.2Kbps.    |
          |--------------+---------------------------------------------|
          |     #Q28     | Set local serial port speed to 28.8Kbps.    |
          |--------------+---------------------------------------------|
          |     #Q38     | Set local serial port speed to 38.4Kbps.    |
          |--------------+---------------------------------------------|
          |     #Q57     | Set local serial port speed to 57.6Kbps.    |
          |--------------+---------------------------------------------|
          |    #Q115     | Set local serial port speed to 115.2Kbps.   |
          |--------------+---------------------------------------------|
          |    #Q230     | Set local serial port speed to 230.4Kbps.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                           MNP10                            |
          |------------------------------------------------------------|
          | Type:        | Configuraion                                |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will attempt to   |
          |              | use MNP10 error correction.                 |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |      #K0       | MNP10 disabled.                           |
          |----------------+-------------------------------------------|
          |     í #K1      | MNP10 enabled.                            |
          |----------------+-------------------------------------------|
          |      #K2       | MNP10 enabled for cellular connections    |
          |                | only.                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   MNP10 LINK NEGOTIATION                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Hn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed at which MNP10 link          |
          |              | negotiation will occur.                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %H0     | Link will be negotiated at speed set by B   |
          |              | command.                                    |
          |--------------+---------------------------------------------|
          |     %H1      | Link will be negotiated at 1200bps.         |
          |--------------+---------------------------------------------|
          |     %H2      | Link will be negotiated at 4800bps.         |
          |--------------+---------------------------------------------|
          |     %H3      | Link will be negotiated at 9600bps.         |
          |--------------+---------------------------------------------|
          |     %H9      | Link will be negotiated at speed set by B   |
          |              | command and modem will not fall forward.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          ON-LINE                           |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] On                                |
          |--------------+---------------------------------------------|
          | Description: | Instructs the modem to return to the        |
          |              | on-line state.                              |
          |--------------+---------------------------------------------|
          | Note:        | O3 through O7 are only valid for V.32 and   |
          |              | V.32bis connections.                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      O0      | Return to on-line state.                    |
          |--------------+---------------------------------------------|
          |      O1      | Return to on-line state and initiate        |
          |              | retrain sequence.                           |
          |--------------+---------------------------------------------|
          |      O2      | Initiate retrain sequence.                  |
          |--------------+---------------------------------------------|
          |      O3      | Re-negotiate speed to 4800bps and return to |
          |              | on-line state.                              |
          |--------------+---------------------------------------------|
          |      O4      | Re-negotiate speed to 7200bps and return to |
          |              | on-line state.                              |
          |--------------+---------------------------------------------|
          |      O5      | Re-negotiate speed to 9600bps and return to |
          |              | on-line state.                              |
          |--------------+---------------------------------------------|
          |      O6      | Re-negotiate speed to 12Kbps and return to  |
          |              | on-line state.                              |
          |--------------+---------------------------------------------|
          |      O7      | Re-negotiate speed to 14.4Kbps and return   |
          |              | to on-line state.                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       PROTOCOL/SPEED                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Bn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects the protocol and speed the modem    |
          |              | will attempt to connect at.                 |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      B0      | Select protocol specified by #B at 1200bps. |
          |--------------+---------------------------------------------|
          |      B1      | Auto-detect the highest common connect      |
          |              | speed.                                      |
          |--------------+---------------------------------------------|
          |      B2      | Select protocol specified by #B at 1200bps. |
          |--------------+---------------------------------------------|
          |      B3      | Select V.21 at 300bps speed.                |
          |--------------+---------------------------------------------|
          |      B4      | Select Bell 103 at 300bps speed.            |
          |--------------+---------------------------------------------|
          |      B5      | Select V.23 at 1200/75bps speed.            |
          |--------------+---------------------------------------------|
          |      B6      | Select V.22 at 1200bps speed.               |
          |--------------+---------------------------------------------|
          |      B7      | Select Bell 212A at 1200bps speed.          |
          |--------------+---------------------------------------------|
          |      B8      | Select V.22bis at 2400bps speed.            |
          |--------------+---------------------------------------------|
          |      B9      | Auto-detect the highest common connect      |
          |              | speed.                                      |
          |--------------+---------------------------------------------|
          |     B10      | Select V.32 at 4800bps speed.               |
          |--------------+---------------------------------------------|
          |     B11      | Select V.32bis at 7200bps speed.            |
          |--------------+---------------------------------------------|
          |     B12      | Select V.32bis uncoded at 9600bps speed.    |
          |--------------+---------------------------------------------|
          |     B13      | Select V.32bis at 9600bps speed.            |
          |--------------+---------------------------------------------|
          |     B14      | Select V.32bis at 12Kbps speed.             |
          |--------------+---------------------------------------------|
          |     B15      | Select V.32bis at 14.4Kbps speed.           |
          |--------------+---------------------------------------------|
          |     B16      | Select V.34 at 14.4Kbps speed.              |
          |--------------+---------------------------------------------|
          |     B17      | Select V.34 at 16.8Kbps speed.              |
          |--------------+---------------------------------------------|
          |     B18      | Select V.34 at 19.2Kbps speed.              |
          |--------------+---------------------------------------------|
          |     B19      | Select V.34 at 21.6Kbps speed.              |
          |--------------+---------------------------------------------|
          |     B20      | Select V.34 at 24Kbps speed.                |
          |--------------+---------------------------------------------|
          |     B21      | Select V.34 at 26.4Kbps speed.              |
          |--------------+---------------------------------------------|
          |     B22      | Select V.34 at 28.8Kbps speed.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  PROTOCOL/SPEED MODIFIER                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the communication protocol for      |
          |              | low-speed data calls.                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Protocol                   |
          |--------------+---------------------------------------------|
          |    í #B0     | B2 indicates modem will use ITU-T V.22 at   |
          |              | 1200bps; B0 indicates modem will use V.23   |
          |              | at 1200bps.                                 |
          |--------------+---------------------------------------------|
          |     #B1      | B0 indicates modem will use ITU-T V.22 at   |
          |              | 1200bps; B2 indicates modem will use V.23   |
          |              | at 1200bps.                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    REMOTE CONFIGURATION                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets whether the modem will allow remote    |
          |              | configuration sessions.                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     #A0      | Remote configuration disabled.              |
          |--------------+---------------------------------------------|
          |     #A1      | Remote configuration enabled.               |
          |--------------+---------------------------------------------|
          |    í #A2     | Remote configuration enabled and            |
          |              | configuration password required.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               REMOTE CONFIGURATION CHARACTER               |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S67=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 42                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 127                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 ASCII character                           |
          |--------------+---------------------------------------------|
          | Description: | Defines the character that, when sent four  |
          |              | times within the guard time set by S12,     |
          |              | will notify the modem that a remote         |
          |              | configuration session has been requested.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          REMOTE CONFIGURATION SEQUENCE GUARD TIME          |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S66=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Maximum allowable time between remote       |
          |              | configuration character sequence initiation |
          |              | and completion for the remote configuration |
          |              | sequence to be executed.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               REMOTE CONFIGURATION SEQUENCE                |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | ****<WAIT>                                  |
          |--------------+---------------------------------------------|
          | Description: | Initiates the remote configuration escape   |
          |              | sequence, requesting to begin a remote      |
          |              | configuration session with the remote       |
          |              | modem. The modem must receive the four      |
          |              | characters set with the S67 command within  |
          |              | the time allotted by S66.                   |
          |--------------+---------------------------------------------|
          | Note:        | Do not precede this command with AT.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        RESULT CODES                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Qn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables modem to send result codes to the   |
          |              | DTE.                                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     í Q0     | Result codes enabled.                       |
          |--------------+---------------------------------------------|
          |      Q1      | Result codes disabled.                      |
          |--------------+---------------------------------------------|
          |      Q2      | Result codes enabled in originate mode      |
          |              | only.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        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;      |
          |              | basic result codes only enabled.            |
          |--------------+---------------------------------------------|
          |      X1      | Busy and dial tone detection disabled;      |
          |              | basic result codes with connect speed       |
          |              | enabled.                                    |
          |--------------+---------------------------------------------|
          |      X2      | Busy tone detection disabled, dial tone     |
          |              | detection enabled; basic result codes with  |
          |              | connect speed enabled.                      |
          |--------------+---------------------------------------------|
          |      X3      | Busy tone detection enabled, dial tone      |
          |              | detection disabled; basic result codes with |
          |              | connect speed enabled.                      |
          |--------------+---------------------------------------------|
          |      X4      | Busy and dial tone detection enabled; basic |
          |              | result codes with connect speed enabled.    |
          |--------------+---------------------------------------------|
          |     í X5     | Busy and dial tone detection enabled; basic |
          |              | result codes with connect speed enabled;    |
          |              | RINGING response enabled..                  |
          |--------------+---------------------------------------------|
          |      X6      | Busy tone detection enabled, dial tone      |
          |              | detection disabled; basic result codes with |
          |              | connect speed enabled; RINGING response     |
          |              | enabled.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SECURITY MENU MODE                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #S                                |
          |--------------+---------------------------------------------|
          | Description: | Commands the modem to enter security menu   |
          |              | mode.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        SPEAKER MODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Mn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects various speaker options.            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      M0      | Speaker disabled.                           |
          |--------------+---------------------------------------------|
          |     í M1     | Speaker enabled until carrier signal        |
          |              | detected.                                   |
          |--------------+---------------------------------------------|
          |      M2      | Speaker enabled.                            |
          |--------------+---------------------------------------------|
          |      M3      | Speaker enabled following dialing, then     |
          |              | disabled after carrier signal detected.     |
          |--------------+---------------------------------------------|
          |      M4      | Speaker enabled during dialing, answering,  |
          |              | and line speed changes.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SYNCHRONOUS MODE ENCODING                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the type of character encoding the  |
          |              | modem will use when in synchronous V.25bis  |
          |              | mode.                                       |
          |------------------------------------------------------------|
          |       Command       |               Function               |
          |---------------------+--------------------------------------|
          |        í #N0        | Modem will use NRZ encoding.         |
          |---------------------+--------------------------------------|
          |         #N1         | Modem will use NRZI encoding.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     TRANSMISSION LEVEL                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 11 - 19                                     |
          |--------------+---------------------------------------------|
          | Unit:        | -1 dBm                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the signal level for transmission. If  |
          |              | no value is given the current transmission  |
          |              | level is displayed.                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      V.13 REMOTE RTS                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Rn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Toggles V.13 remote RTS signaling.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              V.22bis AND BELOW EQM THRESHHOLD              |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S45=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 98                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the quality threshhold for connections |
          |              | at V.22bis and below.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   V.22bis ON LEASED LINE                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #In [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will use the      |
          |              | switched line standard for V.22bis          |
          |              | modulation when operating over a leased     |
          |              | line connection.                            |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í #I0     | Modem will use leased line V.22bis over    |
          |               | leased lines.                              |
          |---------------+--------------------------------------------|
          |      #I1      | Modem will use switched line V.22bis over  |
          |               | leased lines.                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   V.25bis CHARACTER SET                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the character set the modem will    |
          |              | use when in V.25bis mode.                   |
          |------------------------------------------------------------|
          |     Command      |                Function                 |
          |------------------+-----------------------------------------|
          |      í #U0       | Modem will use ASCII characters.        |
          |------------------+-----------------------------------------|
          |       #U1        | Modem will use EBCDIC characters.       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                V.25bis IGNORE INCOMING CALL                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S71=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 30                                      |
          |--------------+---------------------------------------------|
          | Unit:        | 1 second                                    |
          |--------------+---------------------------------------------|
          | Description: | The function of this register is            |
          |              | unidentified.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              V.32 AND V.32bis EQM THRESHHOLD               |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S33=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 3                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the quality threshhold for connections |
          |              | at V.32 and V.32bis.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         V.34 MODE                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will use V.34     |
          |              | mode.                                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í *C0     | V.34 mode enabled.                          |
          |--------------+---------------------------------------------|
          |     *C1      | V.34 mode disabled; V.FC used for 28.8Kbps  |
          |              | connections..                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    V.42 DETECTION PHASE                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Jn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will go through   |
          |              | the V.42 detection phase.                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     #J0      | V.42 detection phase disabled.              |
          |--------------+---------------------------------------------|
          |    í #J1     | V.42 detection phase enabled.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 V.42 DETECTION PHASE TIME                  |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S62=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 75                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 10 mS                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the length of the V.42 detection       |
          |              | phase.                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  VOICE - DEAD MAN TIMEOUT                  |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S105=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 30                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 second                                    |
          |--------------+---------------------------------------------|
          | Description: | The function of this command is             |
          |              | unidentified.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      WELCOME MESSAGE                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Wxxxx|xxxx [cmds]                |
          |--------------+---------------------------------------------|
          | Description: | Sets the welcome message displayed to       |
          |              | incoming connections. The vertical bar (|)  |
          |              | character may be used to specify line       |
          |              | breaks. The message must be 80 characters   |
          |              | or less.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  WELCOME MESSAGE DISPLAY                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Wn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will display the  |
          |              | welcome message to incoming connections.    |
          |--------------+---------------------------------------------|
          | Note:        | See the *W command for more information.    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %W0     | Welcome message will not be displayed.      |
          |--------------+---------------------------------------------|
          |     %W1      | Welcome message will be displayed.          |
          +------------------------------------------------------------+