PATTON ELECTRONICS COMPANY
==========================

   2040MC-MT

   Card Type         V.35/RS-422 to HSSI Interface Converter      
   Chip Set          Unidentified                                 
   I/O Options       V.35/RS-422 DCE/DTE port, HSSI DCE/DTE port, 
                     power                                        
   Maximum Data Rate 10Mbps                                       
   Data Bus          External                                     

<gopher://bitreich.org/I/th99/i/P-R/55179-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function       | Label |       Function       | Label |
   |---------------------+-------+----------------------+-------|
   | V.35/RS-422 DCE/DTE |  CN1  | HSSI DCE/DTE port    |  CN2  |
   | port                |       | (50-pin connector)   |       |
   |                     |       |                      |       |
   | (34-pin male        |       |                      |       |
   | connector)          |       |                      |       |
   |---------------------+-------+----------------------+-------|
   | Power               |  CN3  |                      |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        CLOCK SOURCE                        |
   |------------------------------------------------------------|
   |                  Setting                   | SW1/1 | SW1/2 |
   |--------------------------------------------+-------+-------|
   |>> |  Terminal timing supplied by HSSI ST   |  On   |  Off  |
   |   |                 signal                 |       |       |
   |---+----------------------------------------+-------+-------|
   |   |    Terminal timing supplied by V.35    |  Off  |  On   |
   |   |          (RS-422) DTE device           |       |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   SYNCHRONIZATION METHOD                   |
   |------------------------------------------------------------|
   |                 Setting                 | SW1/3  |  SW1/4  |
   |-----------------------------------------+--------+---------|
   |>> |       Data skips sync circuit       |  Off   |   On    |
   |---+-------------------------------------+--------+---------|
   |   |  Data passes through sync circuit   |   On   |   Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED | Color | Status |              Condition              |
   |-----+-------+--------+-------------------------------------|
   | STS | Green |   On   | Both DTR and DSR signals are active |
   |-----+-------+--------+-------------------------------------|
   | STS | Green |  Off   | DTR and/or DSR signals are inactive |
   |-----+-------+--------+-------------------------------------|
   | TST |  Red  |   On   |   Device is conducting a loopback   |
   |     |       |        |                test                 |
   |-----+-------+--------+-------------------------------------|
   | TST |  Red  |  Off   | Device is not conducting a loopback |
   |     |       |        |                test                 |
   +------------------------------------------------------------+