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

   SRM-5SC

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

<gopher://bitreich.org/I/th99/t/P-R/51516-1.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                       |           SW2/D            |
   |-------------------------------+----------------------------|
   |>> Forced high                 |             On             |
   |-------------------------------+----------------------------|
   | Normal                        |            Off             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |   LED    |  Color   |  Status  |         Condition         |
   |----------+----------+----------+---------------------------|
   |    CD    |   Red    |    On    |     CD signal is high     |
   |----------+----------+----------+---------------------------|
   |    CD    |   Red    |   Off    |     CD signal is low      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        CLOCK SOURCE                        |
   |------------------------------------------------------------|
   | Setting       |    SW2/A     |    SW2/B     |    SW2/C     |
   |---------------+--------------+--------------+--------------|
   | External      |      On      |     Off      |     Off      |
   |---------------+--------------+--------------+--------------|
   |>> Internal    |     Off      |     Off      |      On      |
   |---------------+--------------+--------------+--------------|
   | Receive       |     Off      |      On      |     Off      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       RTS/CTS DELAY                        |
   |------------------------------------------------------------|
   | Setting                       |           SW2/E            |
   |-------------------------------+----------------------------|
   |>> 6-8 ms                      |            Off             |
   |-------------------------------+----------------------------|
   | 50-70 ms                      |             On             |
   +------------------------------------------------------------+