(TXT) View Source
       
       # UNIDENTIFIED
       
          2400BPS MODEM (0302AMC)
       
          Card Type                    Modem (asynchronous)              
          Chip Set                     Unidentified                      
          Maximum Data Rate            2400bps                           
          Data Bus                     8-bit ISA                         
          Data Modulation Protocol     Bell 103A/212A                    
                                                                         
                                       ITU-T V.22, V.22bis               
          Error Correction/Compression MNP5, V.42, V.42bis               
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |        Function        |  Label   |   Function   |  Label  |
          |------------------------------------------------------------|
          | Line out                    |    CN1     | Line in  | CN2  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    SERIAL PORT ADDRESS                     |
          |------------------------------------------------------------|
          |   Setting   |   JP1/A   |   JP1/B   |   JP1/C   |  JP1/D   |
          |-------------+-----------+-----------+-----------+----------|
          | COM1 (3F8h) |  Closed   |   Open    |  Closed   |   Open   |
          |-------------+-----------+-----------+-----------+----------|
          | COM2 (2F8h) |  Closed   |   Open    |   Open    |  Closed  |
          |-------------+-----------+-----------+-----------+----------|
          | COM3 (3E8h) |   Open    |  Closed   |  Closed   |   Open   |
          |-------------+-----------+-----------+-----------+----------|
          | COM4 (2E8h) |   Open    |  Closed   |   Open    |  Closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         INTERRUPT                          |
          |------------------------------------------------------------|
          |  Setting   |   JP1/E   |   JP1/F   |   JP1/G   |   JP1/H   |
          |------------+-----------+-----------+-----------+-----------|
          |     2      |   Open    |   Open    |   Open    |  Closed   |
          |------------+-----------+-----------+-----------+-----------|
          |     3      |   Open    |  Closed   |   Open    |   Open    |
          |------------+-----------+-----------+-----------+-----------|
          |     4      |  Closed   |   Open    |   Open    |   Open    |
          |------------+-----------+-----------+-----------+-----------|
          |     5      |   Open    |   Open    |  Closed   |   Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         WAIT STATE                         |
          |------------------------------------------------------------|
          |      Setting       |       JP1/I       |       JP1/J       |
          |--------------------+-------------------+-------------------|
          |         0          |      Closed       |       Open        |
          |--------------------+-------------------+-------------------|
          |         1          |       Open        |      Closed       |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                    BIT MAPPED REGISTERS                    |
          |------------------------------------------------------------|
          |           Register           |           Default           |
          |------------------------------+-----------------------------|
          |             S14              |             170             |
          |------------------------------+-----------------------------|
          |             S21              |              0              |
          |------------------------------+-----------------------------|
          |             S22              |             118             |
          |------------------------------+-----------------------------|
          |             S23              |              7              |
          |------------------------------+-----------------------------|
          |             S27              |             64              |
          |------------------------------+-----------------------------|
          |             S28              |              0              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DTMF ATTENUATION                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1-7                                         |
          |--------------+---------------------------------------------|
          | Unit:        | 2 dBm                                       |
          |--------------+---------------------------------------------|
          | Description: | Controls DTMF attenuation                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SECONDARY DEFAULTS                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %J [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Sets all S registers and AT commands to     |
          |              | AT&F default except; S6=3s, range 3-255;    |
          |              | S11=95ms, range 60-255; %L3, 6dBm; %D1,     |
          |              | 2dBm.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TEST MODES                         |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S16=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-125                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls loopback tests, analog, digital,   |
          |              | remote digital, and self tests.             |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |   í 0 | Local analog loopback not in progress       |
          |      |       |                                             |
          |      |     1 | Local analog loopback in progress           |
          |------+-------+---------------------------------------------|
          |  1   |   í 0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  2   |   í 0 | Local digital loopback not in progress      |
          |      |       |                                             |
          |      |     1 | Local digital loopback in progress          |
          |------+-------+---------------------------------------------|
          |  3   |   í 0 | Modem not in remote digital loopback        |
          |      |       |                                             |
          |      |     1 | Remote digital loopback in progress         |
          |------+-------+---------------------------------------------|
          |  4   |   í 0 | Remote digital loopback not in progress     |
          |      |       |                                             |
          |      |     1 | Remote digital loopback in progress         |
          |------+-------+---------------------------------------------|
          |  5   |   í 0 | Remote digital loopback w/ self-test not in |
          |      |       | progress                                    |
          |      |     1 |                                             |
          |      |       | Remote digital loopback w/ self-test in     |
          |      |       | progress                                    |
          |------+-------+---------------------------------------------|
          |  6   |   í 0 | Local analog loopback w/ self-test not in   |
          |      |       | progress                                    |
          |      |     1 |                                             |
          |      |       | Local analog loopback w/ self-test in       |
          |      |       | progress                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    TRANSMIT ATTENUATION                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1-7                                         |
          |--------------+---------------------------------------------|
          | Unit:        | 2 dBm                                       |
          |--------------+---------------------------------------------|
          | Description: | Controls transmit attenuation               |
          +------------------------------------------------------------+