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

   2070/CX

   Card Type         Interface Converter                          
   Chip Set          Unidentified                                 
   I/O Options       V.35 DCE port, RJ-45 twisted pair interface, 
                     power                                        
   Maximum Data Rate 64Kbps                                       
   Data Bus          External                                     

<gopher://bitreich.org/I/th99/i/P-R/55186-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function        | Label |      Function      | Label |
   |-----------------------+-------+--------------------+-------|
   | V.35 DCE port (34-pin |  CN1  | UTP interface      |  CN2  |
   | male connector)       |       | (RJ-45 connector)  |       |
   |-----------------------+-------+--------------------+-------|
   | Power                 |  CN3  |                    |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                 | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | Local line loopback and G.703 loop | S1/1  |    Off    |
   |   | diagnostics disabled               |       |           |
   |---+------------------------------------+-------+-----------|
   |   | Local line loopback and G.703 loop | S1/1  |    On     |
   |   | diagnostics enabled                |       |           |
   |---+------------------------------------+-------+-----------|
   |>> | Ignores local loopback requests    | S1/4  |    On     |
   |---+------------------------------------+-------+-----------|
   |   | Enters local loopback mode when    | S1/4  |    Off    |
   |   | pin 18 is raised                   |       |           |
   |---+------------------------------------+-------+-----------|
   |>> | AC power enabled                   |  JP1  | Pins 1 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Interface power enabled            |  JP1  | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Signal ground is connected to      |  JP1  | Pins 5 &  |
   |   | frame ground                       |       | 6 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Signal ground is disconnected from |  JP1  | Pins 4 &  |
   |   | frame ground                       |       | 6 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        CLOCK SOURCE                        |
   |------------------------------------------------------------|
   |                   Setting                    | S1/2 | S1/3 |
   |----------------------------------------------+------+------|
   |>> |   Terminal timing supplied by network    |  On  | Off  |
   |   |                  signal                  |      |      |
   |---+------------------------------------------+------+------|
   |   |  Terminal timing supplied by DTE device  |  On  | Off  |
   |---+------------------------------------------+------+------|
   |   |   Transmit clock generated internally    | Off  |  On  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  | Color | Status |             Condition              |
   |------+-------+--------+------------------------------------|
   | SYNC | Green |   On   |    Valid synchronization to the    |
   |      |       |        |       terminal device exists       |
   |------+-------+--------+------------------------------------|
   | SYNC | Green |  Off   |  Synchronization has slipped, or   |
   |      |       |        |        connection is broken        |
   |------+-------+--------+------------------------------------|
   |  TM  |  Red  |   On   |  Device is conducting a loopback   |
   |      |       |        |                test                |
   |------+-------+--------+------------------------------------|
   |  TM  |  Red  |  Off   |     Device is not conducting a     |
   |      |       |        |           loopback test            |
   +------------------------------------------------------------+