BROOKTROUT TECHNOLOGY, INC.
===========================

   TRNIC+P24T

   Card Type   T1/Fax card                                        
   I/O Options PED connector, 15-pin DSX-1 connector, MVIP        
               connector                                          
   Data Bus    32-bit PCI                                         

<gopher://bitreich.org/I/th99/t/A-B/55391-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function       |  Label  |     Function     |  Label  |
   |---------------------+---------+------------------+---------|
   | RJ-45 UTP connector |  PJ301  | MVIP connector   |  J401   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                |  Label  | Position |
   |---------------------------------------+---------+----------|
   |>> | Clocking signals generated by T1  | SW501/1 |   Off    |
   |---+-----------------------------------+---------+----------|
   |   | Clocking signals generated by     | SW501/1 |    On    |
   |   | TRNIC                             |         |          |
   |---+-----------------------------------+---------+----------|
   |>> | Super frame mode                  | SW501/2 |   Off    |
   |---+-----------------------------------+---------+----------|
   |   | Extended super frame mode         | SW501/2 |    On    |
   |---+-----------------------------------+---------+----------|
   |>> | B8ZS line coding                  | SW501/3 |   Off    |
   |---+-----------------------------------+---------+----------|
   |   | AMI line coding                   | SW501/3 |    On    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter | SW501/7 |   Off    |
   |---+-----------------------------------+---------+----------|
   |>> | Factory configured - do not alter | SW501/8 |   Off    |
   |---+-----------------------------------+---------+----------|
   |>> | MVIP clock master set to master   | SW502/3 |   Off    |
   |---+-----------------------------------+---------+----------|
   |   | MVIP clock master set to slave    | SW502/3 |    On    |
   |---+-----------------------------------+---------+----------|
   |>> | Loopback mode disabled            |  SW503  |   Off    |
   |---+-----------------------------------+---------+----------|
   |   | Loopback mode enabled             |  SW503  |    On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 T1 CABLE LENGTH SETTTINGS                  |
   |------------------------------------------------------------|
   |    Cable Length    |   SW501/4   |  SW501/5   |  SW501/6   |
   |--------------------+-------------+------------+------------|
   |>> |  0 to 132 ft.  |     On      |     On     |     On     |
   |---+----------------+-------------+------------+------------|
   |   | 133 to 266 ft. |     Off     |     On     |     On     |
   |---+----------------+-------------+------------+------------|
   |   | 267 to 398 ft. |     On      |    Off     |     On     |
   |---+----------------+-------------+------------+------------|
   |   | 399 to 532 ft. |     Off     |    Off     |     On     |
   |---+----------------+-------------+------------+------------|
   |   | 533 to 654 ft. |     On      |     On     |    Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     MVIP STREAM SELECT                     |
   |------------------------------------------------------------|
   |        Mode        |      SW502/1      |      SW502/2      |
   |--------------------+-------------------+-------------------|
   |>> |      6/7       |        Off        |        Off        |
   |---+----------------+-------------------+-------------------|
   |   |      4/5       |        On         |        Off        |
   |---+----------------+-------------------+-------------------|
   |   |      2/3       |        Off        |        On         |
   |---+----------------+-------------------+-------------------|
   |   |      0/1       |        On         |        On         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    SYNC SOURCE CONTROL                     |
   |------------------------------------------------------------|
   |             Setting             |   SW502/3   |  SW502/4   |
   |---------------------------------+-------------+------------|
   |>> |       TRNIC controls        |     Off     |    Off     |
   |---+-----------------------------+-------------+------------|
   |   | Secondary net card controls |     Off     |     On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   FRAMING SIGNAL OUTPUT                    |
   |------------------------------------------------------------|
   |      Setting       |      SW502/3      |      SW502/4      |
   |--------------------+-------------------+-------------------|
   |   Disable output   |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |   Enable output    |        On         |        On         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        TERMINATION                         |
   |------------------------------------------------------------|
   |        Setting         |     SW502/5     |     SW502/6     |
   |------------------------+-----------------+-----------------|
   |>> |    Unterminated    |       Off       |       Off       |
   |---+--------------------+-----------------+-----------------|
   |   |     Terminated     |       On        |       On        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED |    Color     | Status |          Condition           |
   |-----+--------------+--------+------------------------------|
   | D1  |     Red      |   On   |   Card in network loopback   |
   |     |              |        |             mode             |
   |-----+--------------+--------+------------------------------|
   | D2  |     Red      |   On   |        T1 signal lost        |
   |-----+--------------+--------+------------------------------|
   | D3  |    Yellow    |   On   |    Not synchronized on T1    |
   |     |              |        |            signal            |
   |-----+--------------+--------+------------------------------|
   | D4  |    Green     |   On   |   Operating in normal mode   |
   |-----+--------------+--------+------------------------------|
   | FRM | Unidentified |   On   |       T1 framing error       |
   |-----+--------------+--------+------------------------------|
   | BPV | Unidentified |   On   |     T1 bipolar violation     |
   |-----+--------------+--------+------------------------------|
   | CRC | Unidentified |   On   |    Discrepancy in cyclic     |
   |     |              |        |       redundancy check       |
   +------------------------------------------------------------+