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

   1075

   Card Type         Modem                                        
   Chip Set          Unidentified                                 
   I/O Options       Power, DTE/DCE serial port (15-pin           
                     connector),                                  
                                                                  
                     network interface via RJ-45 (RJ-11 optional) 
                     connector                                    
   Wiring Type       RJ-45 (RJ-11 optional) shielded twisted pair 
   Maximum Data Rate 64Kbps                                       
   Data Bus          External                                     

<gopher://bitreich.org/I/th99/t/P-R/54876-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function      |      Label       |  Function  | Label |
   |------------------------------------------------------------|
   | AC power      |    CN1    | Network interface    |   CN3   |
   | connector     |           | via RJ-45 connector  |         |
   |---------------+-----------+----------------------+---------|
   | DTE/DCE port  |    CN2    | DTE/DCE strap        |   CN4   |
   | (15-pin       |           |                      |         |
   | connector)    |           |                      |         |
   |------------------------------------------------------------|
   | Note:     | DTE/DCE strap is default configured for DCE    |
   |           | interface. To change the interface to DTE,     |
   |           | rotate the strap 180 degrees so the DTE arrows |
   |           | point to the 15-pin connector.                 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                | Label |  Position  |
   |---------------------------------------+-------+------------|
   | i Shield connected to signal ground   |  JP1  | Pins 2 & 3 |
   |                                       |       |   closed   |
   |---------------------------------------+-------+------------|
   | Shield not connected to signal ground |  JP1  | Pins 1 & 2 |
   |                                       |       |   closed   |
   |---------------------------------------+-------+------------|
   | i Factory configured - do not alter   | S1/1  |    Off     |
   |---------------------------------------+-------+------------|
   | i Factory configured - do not alter   | S1/2  |    Off     |
   |---------------------------------------+-------+------------|
   | i Factory configured - do not alter   | S1/3  |    Off     |
   |---------------------------------------+-------+------------|
   | i Factory configured - do not alter   | S1/4  |    Off     |
   |---------------------------------------+-------+------------|
   | i Factory configured - do not alter   | S1/5  |    Off     |
   |---------------------------------------+-------+------------|
   | i Factory configured - do not alter   | S1/6  |    Off     |
   |---------------------------------------+-------+------------|
   | i Factory configured - do not alter   | S1/7  |    Off     |
   |---------------------------------------+-------+------------|
   | i Modem responds to V.54 sequence     | S1/8  |    Off     |
   |---------------------------------------+-------+------------|
   | Modem ignores V.54 sequence           | S1/8  |     On     |
   |---------------------------------------+-------+------------|
   | i Carrier forced high                 | S2/5  |    Off     |
   |---------------------------------------+-------+------------|
   | Carrier follows terminal              | S2/5  |     On     |
   |---------------------------------------+-------+------------|
   | i Factory configured - do not alter   | S2/6  |    Off     |
   |---------------------------------------+-------+------------|
   | i Factory configured - do not alter   | S2/7  |    Off     |
   |---------------------------------------+-------+------------|
   | i Front panel switches enabled        | S2/8  |     On     |
   |---------------------------------------+-------+------------|
   | Front panel switches disabled         | S2/8  |    Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         DATA RATE                          |
   |------------------------------------------------------------|
   |               Setting               | S2/1  |     S2/2     |
   |------------------------------------------------------------|
   |                 32Kbps                  | Off |     On     |
   |------------------------------------------------------------|
   |               56Kbps               |   On    |     Off     |
   |------------------------------------+---------+-------------|
   |              i 64Kbps              |   On    |     On      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   TRANSMIT CLOCK SOURCE                    |
   |------------------------------------------------------------|
   |                    Source                    | S2/3 | S2/4 |
   |----------------------------------------------+------+------|
   |    i Transmit clock generated internally     |  On  |  On  |
   |----------------------------------------------+------+------|
   |     Transmit clock derived from terminal     |  On  | Off  |
   |                  interface                   |      |      |
   |----------------------------------------------+------+------|
   |   Transmit clock derived from receive line   | Off  |  On  |
   |                    signal                    |      |      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   TEST PATTERN GENERATOR                   |
   |------------------------------------------------------------|
   |                Function                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |      511 test pattern transmitted       |  SW4  |    1     |
   |-----------------------------------------+-------+----------|
   |   Normal operation. Test pattern not    |  SW4  |    2     |
   |                activated                |       |          |
   |-----------------------------------------+-------+----------|
   |     511/E test pattern transmitted      |  SW4  |    3     |
   |      (intentional errors inserted)      |       |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   LOOPBACK TEST SELECTOR                   |
   |------------------------------------------------------------|
   |                Function                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |    Remote digital loopback initiated    |  SW5  |    1     |
   |-----------------------------------------+-------+----------|
   |     Normal operation. Loopback not      |  SW5  |    2     |
   |                activated                |       |          |
   |-----------------------------------------+-------+----------|
   |     Activates local analog loopback     |  SW5  |    3     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED | Color  | Status |             Condition              |
   |-----+--------+--------+------------------------------------|
   | TD  |  Red   |   On   |   Data is being transmitted (low   |
   |     |        |        |     logic level, device idle)      |
   |-----+--------+--------+------------------------------------|
   | TD  | Green  |   On   |  Data is being transmitted (high   |
   |     |        |        |            logic level)            |
   |-----+--------+--------+------------------------------------|
   | TD  | Orange |   On   |    Transmitted data is changing    |
   |     |        |        |              rapidly               |
   |-----+--------+--------+------------------------------------|
   | TD  |  None  |  Off   |   Data is not being transmitted    |
   |-----+--------+--------+------------------------------------|
   | RD  |  Red   |   On   | Data is being received (low logic  |
   |     |        |        |        level, device idle)         |
   |-----+--------+--------+------------------------------------|
   | RD  | Green  |   On   | Data is being received (high logic |
   |     |        |        |               level)               |
   |-----+--------+--------+------------------------------------|
   | RD  | Orange |   On   | Received data is changing rapidly  |
   |-----+--------+--------+------------------------------------|
   | RD  |  None  |  Off   |     Data is not being received     |
   |-----+--------+--------+------------------------------------|
   | RTS | Green  |   On   |         RTS signal is high         |
   |-----+--------+--------+------------------------------------|
   | RTS |  Red   |   On   |         RTS signal is low          |
   |-----+--------+--------+------------------------------------|
   | CD  | Green  |   On   |      Carrier signal detected       |
   |-----+--------+--------+------------------------------------|
   | CD  |  Red   |   On   |    Carrier signal not detected     |
   |-----+--------+--------+------------------------------------|
   | ER  |  Red   |   On   |    Bit error likely in received    |
   |     |        |        | signal or error detected in 511 or |
   |     |        |        |         511/E test pattern         |
   |-----+--------+--------+------------------------------------|
   | ER  |  Red   |  Off   |         Error not detected         |
   |-----+--------+--------+------------------------------------|
   | TST |  Red   |   On   |   Device has been placed in test   |
   |     |        |        |    mode by local or remote user    |
   |-----+--------+--------+------------------------------------|
   | TST |  Red   |  Off   |  Device is not conducting a test   |
   +------------------------------------------------------------+