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

   2711

   Card Type           T1 CSU/DSU                                 
   Chip Set            Unidentified                               
   I/O Options         25-pin serial port (RS-232), power,        
                                                                  
                       network interface via RJ-48                
   T1 Transfer Rate    1.544Mbps                                  
   T1 Protocol         AMI, B8ZS                                  
   Frame type          D4, ESF                                    
   Data Bus            External                                   

<gopher://bitreich.org/I/th99/t/P-R/54967-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function         | Label  |    Function     | Label |
   |-------------------------+--------+-----------------+-------|
   | DTE/DCE serial port     |  CN1   | Power connector |  CN3  |
   | (25-pin connector)      |        |                 |       |
   |-------------------------+--------+-----------------+-------|
   | Network interface via   |  CN2   |                 |       |
   | RJ-48 connector         |        |                 |       |
   |------------------------------------------------------------|
   | Note: 2711 also available with a 34-pin male connector for |
   | V.35 interface                                             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                 Setting                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | ESF/B8ZS framing and coding enabled | SW1/4 |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | D4/AMI framing and coding enabled   | SW1/4 |    On    |
   |---+-------------------------------------+-------+----------|
   |>> | 64Kbps DSO rate                     | SW1/5 |    On    |
   |---+-------------------------------------+-------+----------|
   |   | 56Kbps DSO rate                     | SW1/5 |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | Transmit clock derived from receive | SW1/6 |   Off    |
   |   | line signal                         |       |          |
   |---+-------------------------------------+-------+----------|
   |   | Transmit clock generated internally | SW1/6 |    On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         DATA RATE                          |
   |------------------------------------------------------------|
   |         n x56          |   n x64   | SW1/1 | SW1/2 | SW1/3 |
   |------------------------+-----------+-------+-------+-------|
   |   |   Clear channel    |    Off    |  Off  |  Off  |       |
   |   |   (unstructured)   |           |       |       |       |
   |---+--------------------+-----------+-------+-------+-------|
   |   |      112Kbps       |  128Kbps  |  On   |  Off  |  Off  |
   |---+--------------------+-----------+-------+-------+-------|
   |   |      224Kbps       |  256Kbps  |  Off  |  On   |  Off  |
   |---+--------------------+-----------+-------+-------+-------|
   |   |      336Kbps       |  384Kbps  |  On   |  On   |  Off  |
   |---+--------------------+-----------+-------+-------+-------|
   |   |      448Kbps       |  512Kbps  |  Off  |  Off  |  On   |
   |---+--------------------+-----------+-------+-------+-------|
   |   |      672Kbps       |  768Kbps  |  On   |  Off  |  On   |
   |---+--------------------+-----------+-------+-------+-------|
   |   |      896Kbps       | 1.024Mbps |  Off  |  On   |  On   |
   |---+--------------------+-----------+-------+-------+-------|
   |>> |     1.344Mbps      | 1.536Mbps |  On   |  On   |  On   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         LINE BUILD                         |
   |------------------------------------------------------------|
   |       Net build        |      SW1/7      |      SW1/8      |
   |------------------------+-----------------+-----------------|
   |>> |        0dB         |       Off       |       Off       |
   |---+--------------------+-----------------+-----------------|
   |   |       -7.5dB       |       On        |       Off       |
   |---+--------------------+-----------------+-----------------|
   |   |       -15dB        |       Off       |       On        |
   |---+--------------------+-----------------+-----------------|
   |   |      -22.5dB       |       On        |       On        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED | Color  | Status |             Condition              |
   |-----+--------+--------+------------------------------------|
   | TXD | Green  |   On   |    DTE is transmitting data to     |
   |     |        |        |              CSU/DSU               |
   |-----+--------+--------+------------------------------------|
   | TXD | Green  |  Off   |  DTE is not transmitting data to   |
   |     |        |        |              CSU/DSU               |
   |-----+--------+--------+------------------------------------|
   | RXD | Green  |   On   | DTE is receiving data from CSU/DSU |
   |-----+--------+--------+------------------------------------|
   | RXD | Green  |  Off   |   DTE is not receiving data from   |
   |     |        |        |              CSU/DSU               |
   |-----+--------+--------+------------------------------------|
   | LOS |  Red   |   On   |  Loss of signal or loss of frame   |
   |     |        |        |   condition detected on network    |
   |-----+--------+--------+------------------------------------|
   | LOS |  Red   |  Off   |  Loss of signal or loss of frame   |
   |     |        |        | condition not detected on network  |
   |-----+--------+--------+------------------------------------|
   | ALM |  Red   |   On   |    Alarm condition detected on     |
   |     |        |        |              network               |
   |-----+--------+--------+------------------------------------|
   | ALM |  Red   |  Off   |  Alarm condition not detected on   |
   |     |        |        |              network               |
   |-----+--------+--------+------------------------------------|
   | ERR |  Red   |   On   |   Error second (ES) detected on    |
   |     |        |        | received configuration information |
   |-----+--------+--------+------------------------------------|
   | ERR |  Red   |  Off   | Error second (ES) not detected on  |
   |     |        |        | received configuration information |
   |-----+--------+--------+------------------------------------|
   | TST | Yellow |   On   |  Device is conducting a loopback   |
   |     |        |        |                test                |
   |-----+--------+--------+------------------------------------|
   | TST | Yellow |  Off   |     Device is not conducting a     |
   |     |        |        |           loopback test            |
   |-----+--------+--------+------------------------------------|
   | PWR | Green  |   On   |            Power is on             |
   |-----+--------+--------+------------------------------------|
   | PWR | Green  |  Off   |            Power is off            |
   +------------------------------------------------------------+