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       # RAD DATA COMMUNICATIONS
       
          SRM-6TX
       
          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            |   CN1    | Line             |   LINE   |
          |-------------------+----------+------------------+----------|
          | Ground            |   GND    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CD SIGNAL                          |
          |------------------------------------------------------------|
          | Setting                    |              JP1              |
          |----------------------------+-------------------------------|
          | » Forced high              |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          | Normal                     |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+