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       # PATTON ELECTRONICS COMPANY
       
          2070/DX
       
          Card Type         Interface Converter                          
          Chip Set          Unidentified                                 
          I/O Options       15-pin DCE port, RJ-45 twisted pair          
                            interface, power                             
          Maximum Data Rate 64Kbps                                       
          Data Bus          External                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function        | Label |      Function      | Label |
          |-----------------------+-------+--------------------+-------|
          | X.21 DCE port (15-pin |  CN1  | UTP interface      |  CN2  |
          | 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                |       |           |
          |---+------------------------------------+-------+-----------|
          | » | Terminal timing supplied by        | S1/2  |    On     |
          |   | network signal                     |       |           |
          |---+------------------------------------+-------+-----------|
          |   | Transmit clock generated           | S1/2  |    Off    |
          |   | internally                         |       |           |
          |---+------------------------------------+-------+-----------|
          | » | Byte timing enabled                | S1/3  |    On     |
          |---+------------------------------------+-------+-----------|
          |   | Byte timing disabled               | S1/3  |    Off    |
          |---+------------------------------------+-------+-----------|
          | » | Factory configured - do not alter  | S1/4  |    Off    |
          |---+------------------------------------+-------+-----------|
          | » | 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  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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            |
          +------------------------------------------------------------+