RAD DATA COMMUNICATIONS
=======================

   SRM-6AC

   Modem Type               Data (Asynchronous)                   
   Maximum Data Rate        19.2Kbps                              
   Data Bus                 External                              
   Data Modulation Protocol Proprietary                           

<gopher://bitreich.org/I/th99/t/P-R/51509-1.png>
   

   +------------------------------------------------------------+
   |                        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             |
   +------------------------------------------------------------+