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

   SRM-6SC

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

<gopher://bitreich.org/I/th99/t/P-R/51517-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose       | Location |     Purpose     | Location |
   |--------------------+----------+-----------------+----------|
   | RS-232             |   CN1    | Ground          |   GND    |
   |--------------------+----------+-----------------+----------|
   | RJ-12/RJ-45        |   CN2    | Transmit        |   XMT    |
   |--------------------+----------+-----------------+----------|
   | Receive            |   RCV    |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         BAUD RATE                          |
   |------------------------------------------------------------|
   | Setting                       |            SW1             |
   |-------------------------------+----------------------------|
   | 19.2Kbps                      |             0              |
   |-------------------------------+----------------------------|
   | 14.4Kbps                      |             1              |
   |-------------------------------+----------------------------|
   |>> 9.6Kbps                     |             2              |
   |-------------------------------+----------------------------|
   | 7.2Kbps                       |             3              |
   |-------------------------------+----------------------------|
   | 4.8Kbps                       |             4              |
   |-------------------------------+----------------------------|
   | 3.6Kbps                       |             5              |
   |-------------------------------+----------------------------|
   | 2.4Kbps                       |             6              |
   |-------------------------------+----------------------------|
   | 1.8Kbps                       |             7              |
   |-------------------------------+----------------------------|
   | 1.2Kbps                       |             8              |
   |-------------------------------+----------------------------|
   | 900bps                        |             9              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CD SIGNAL                          |
   |------------------------------------------------------------|
   | Setting                    |              JP2              |
   |----------------------------+-------------------------------|
   |>> Forced high              |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   | Normal                     |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        CLOCK SOURCE                        |
   |------------------------------------------------------------|
   | Setting       |    JP2/A     |    JP2/B     |    JP2/C     |
   |---------------+--------------+--------------+--------------|
   | External      |     Open     |    Closed    |     Open     |
   |---------------+--------------+--------------+--------------|
   |>> Internal    |     Open     |     Open     |    Closed    |
   |---------------+--------------+--------------+--------------|
   | Receive       |    Closed    |     Open     |     Open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       RTS/CTS DELAY                        |
   |------------------------------------------------------------|
   | Setting                    |              JP3              |
   |----------------------------+-------------------------------|
   |>> 7ms                      |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   | 53ms                       |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+