(TXT) View Source
       
       # RAD DATA COMMUNICATIONS
       
          SRM-6AC
       
          Modem Type               Data (Asynchronous)                   
          Maximum Data Rate        19.2Kbps                              
          Data Bus                 External                              
          Data Modulation Protocol Proprietary                           
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Purpose      | Location |      Purpose      | Location |
          |------------------+----------+-------------------+----------|
          | RS-232/422       |   CN1    | Ground            |   GND    |
          |------------------+----------+-------------------+----------|
          | Receive positive |   +RCV   | Transmit positive |   +XMT   |
          |------------------+----------+-------------------+----------|
          | Receive negative |   -RCV   | Transmit negative |   -XMT   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CD SIGNAL                          |
          |------------------------------------------------------------|
          | Setting                    |              JP1              |
          |----------------------------+-------------------------------|
          | » Forced high              |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          | Normal                     |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DCE/DTE SELECTOR                      |
          |------------------------------------------------------------|
          | Setting                       |            SW1             |
          |-------------------------------+----------------------------|
          | » DCE                         |             On             |
          |-------------------------------+----------------------------|
          | DTE                           |            Off             |
          +------------------------------------------------------------+