SOUTH MOUNTAIN TELECOMMUNICATIONS
=================================

   SM-5743

   Card Type              Fax, Modem (asynchronous)               
   Chip Set               Unidentified                            
   Maximum Modem Rate     14.4Kbps                                
   Maximum Fax Rate       14.4Kbps                                
   Data Bus               8-bit ISA                               
   Fax Class              Class I & II                            
   Data Modulation        Bell 103A/212A                          
   Protocol                                                       
                          ITU-T V.21,V.22, V.22bis, V.32, V.32bis 
   Fax Modulation         ITU-T V.17, V.21 ch2, V.27ter, V.29     
   Protocol               
   Error                  MNP2-5, V.42, V.42bis                   
   Correction/Compression 
   Boot ROM               Not available                           

<gopher://bitreich.org/I/th99/t/S-T/53113-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function        |  Label   |   Function   |  Label  |
   |------------------------------------------------------------|
   | Line in                     |    CN1     | Line out | CN2  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    SERIAL PORT ADDRESS                     |
   |------------------------------------------------------------|
   |      Setting       |       SW1/1       |       SW1/2       |
   |--------------------+-------------------+-------------------|
   |   i COM1 (3F8h)    |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |    COM2 (2F8h)     |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |    COM3 (3E8h)     |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |    COM4 (2E8h)     |        Off        |        Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         INTERRUPT                          |
   |------------------------------------------------------------|
   |      Setting       |       SW1/3       |       SW1/4       |
   |--------------------+-------------------+-------------------|
   |         2          |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |         3          |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |        i 4         |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |         5          |        Off        |        Off        |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

   +------------------------------------------------------------+
   |                SUPPORTED STANDARD COMMANDS                 |
   |------------------------------------------------------------|
   |                     Basic AT Commands                      |
   |------------------------------------------------------------|
   | +++, 'comma', A/                                           |
   |------------------------------------------------------------|
   | A, D, H, L, M, N, O, Q, V, W, X, Z                         |
   |------------------------------------------------------------|
   | &D, &F, &G, &J, &K, &V, &W, &Y, &Z                         |
   |------------------------------------------------------------|
   |                    Extended AT Commands                    |
   |------------------------------------------------------------|
   | \A, \B, \G, \K, \V, \X, %A, %C, %E, %L, %Q                 |
   |------------------------------------------------------------|
   |                        S-Registers                         |
   |------------------------------------------------------------|
   | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
   | S18, S25, S26, S46, S48                                    |
   |------------------------------------------------------------|
   |      Note: See MHI documentation for complete information. |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   UNIDENTIFIED COMMANDS                    |
   |------------------------------------------------------------|
   |           Command            |           Default           |
   |------------------------------+-----------------------------|
   |             S37              |              0              |
   |------------------------------+-----------------------------|
   |             S42              |              0              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  COMMUNICATION PROTOCOLS                   |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] Bn [cmds]                         |
   |--------------+---------------------------------------------|
   | Description: | Selects the communication protocol for data |
   |              | calls                                       |
   |------------------------------------------------------------|
   |      Note: The B command allows the simultaneous selection |
   |      of more than one suffix, enabling multiple protocols. |
   |------------------------------------------------------------|
   |   Command    |                  Protocol                   |
   |--------------+---------------------------------------------|
   |      B0      | ITU-T V.22 at 1200bps                       |
   |--------------+---------------------------------------------|
   |     i B1     | Bell 212A at 1200bps                        |
   |--------------+---------------------------------------------|
   |      B2      | V.23- originate mode receive at 1200bps,    |
   |              | send at 75bps; answer mode receive at       |
   |              | 75bps, send at 1200bps                      |
   |--------------+---------------------------------------------|
   |      B3      | V.23- originate mode receive at 75bps, send |
   |              | at 1200bps; answer mode receive at 1200bps, |
   |              | send at 75bps                               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        CONNECT MODE                        |
   |------------------------------------------------------------|
   | Type:        | Immediate                                   |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] \Nn [cmds]                        |
   |--------------+---------------------------------------------|
   | Description: | Controls the type of connection the modem   |
   |              | will operate in                             |
   |------------------------------------------------------------|
   |       Command        |              Function               |
   |----------------------+-------------------------------------|
   |         \N0          | Normal mode enabled                 |
   |----------------------+-------------------------------------|
   |         \N1          | Direct mode enabled                 |
   |----------------------+-------------------------------------|
   |         \N2          | MNP reliable mode enabled           |
   |----------------------+-------------------------------------|
   |         i\N4         | Auto-reliable mode enabled          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    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.                      |
   |--------------+---------------------------------------------|
   |      I3      | Displays firmware revision.                 |
   |--------------+---------------------------------------------|
   |      I4      | Displays product features.                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      INACTIVITY TIMER                      |
   |------------------------------------------------------------|
   | Type:        | Register                                    |
   |--------------+---------------------------------------------|
   | Format       | AT [cmds] S30=n [cmds]                      |
   |--------------+---------------------------------------------|
   | Default:     | 0                                           |
   |--------------+---------------------------------------------|
   | Range:       | 0-90                                        |
   |--------------+---------------------------------------------|
   | Unit:        | 1 minute                                    |
   |--------------+---------------------------------------------|
   | Description: | Maximum duration of DTE and DCE inactivity  |
   |              | allowed prior to initiating hang-up         |
   |              | process.                                    |
   |--------------+---------------------------------------------|
   | Note:        | S30=0 disables the timer and allows         |
   |              | indefinite inactivity.                      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    V.32 - AUTO-RETRAIN                     |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] &Bn [cmds]                        |
   |--------------+---------------------------------------------|
   | Description: | Controls auto-retrain function if poor line |
   |              | quality is detected                         |
   |--------------+---------------------------------------------|
   |   Command    |                  Function                   |
   |--------------+---------------------------------------------|
   |     &B0      | Auto-retrain disabled modem hangs-up        |
   |--------------+---------------------------------------------|
   |    i &B1     | Auto-retrain enabled if line quality is     |
   |              | poor                                        |
   |--------------+---------------------------------------------|
   |     &B2      | No hang-up, no auto-retrain                 |
   +------------------------------------------------------------+