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       # RAD DATA COMMUNICATIONS
       
          FCD-14-2/T1
       
          Card Type        T1 CSU/DSU                                    
          Chip Set         Unidentified                                  
          I/O Options      AC power connector, 25-pin DTE/DCE ports (2), 
                                                                         
                           9-pin serial port, T1 network interface       
                           15-pin connector (2)                          
          T1 Transfer Rate 1.544Mbps                                     
          T1 Protocol      D4, ESF                                       
          Frame Type       AMI, B7ZS, B8ZS                               
          Data Bus         External                                      
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |          Function           | Label |   Function   | Label |
          |-----------------------------+-------+--------------+-------|
          | AC power connector          |  CN1  | Serial port  |  CN6  |
          |-----------------------------+-------+--------------+-------|
          | Sub network port (15-pin    |  CN2  | Fuse         |  F1   |
          | connector)                  |       |              |       |
          |-----------------------------+-------+--------------+-------|
          | Channel 2 port              |  CN3  | Fuse         |  F1   |
          |-----------------------------+-------+--------------+-------|
          | Channel 1 port              |  CN4  | Power switch |  SW2  |
          |-----------------------------+-------+--------------+-------|
          | Main network port (15-pin   |  CN5  |              |       |
          | connector)                  |       |              |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Setting                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | Debug self test mode disabled     |  JP2  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Debug self test mode enabled      |  JP2  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | User password enabled             |  JP3  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Default password enabled.         |  JP3  | Pins 1 & 2 |
          |   | Password=FCD-14                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Signal ground is connected to the |  JP4  | Pins 2 & 3 |
          |   | frame ground                      |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Signal ground is not connected to |  JP4  | Pins 1 & 2 |
          |   | the frame ground                  |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Watchdog enabled                  | JP12  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Watchdog disabled                 | JP12  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                T1 TRANSMIT LEVEL SELECTION                 |
          |------------------------------------------------------------|
          |             Net build              |          SW1          |
          |------------------------------------+-----------------------|
          | »     |            0dBm            |           1           |
          |-------+----------------------------+-----------------------|
          |       |           7.5dBm           |           2           |
          |-------+----------------------------+-----------------------|
          |       |           15dBm            |           3           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |   LED    |    Color     | Status |        Condition        |
          |----------+--------------+--------+-------------------------|
          |   RD4    | Unidentified |  N/A   |        Not used         |
          |----------+--------------+--------+-------------------------|
          |   TD4    | Unidentified |  N/A   |        Not used         |
          |----------+--------------+--------+-------------------------|
          |   RD3    | Unidentified |  N/A   |        Not used         |
          |----------+--------------+--------+-------------------------|
          |   TD3    | Unidentified |  N/A   |        Not used         |
          |----------+--------------+--------+-------------------------|
          |   RD2    | Unidentified |   On   |  CSU/DSU is receiving   |
          |          |              |        |    data on channel 2    |
          |----------+--------------+--------+-------------------------|
          |   TD2    | Unidentified |  Off   | CSU/DSU is transmitting |
          |          |              |        |    data on channel 2    |
          |----------+--------------+--------+-------------------------|
          |   RD1    | Unidentified |   On   |  CSU/DSU is receiving   |
          |          |              |        |    data on channel 1    |
          |----------+--------------+--------+-------------------------|
          |   TD1    | Unidentified |  Off   | CSU/DSU is transmitting |
          |          |              |        |    data on channel 1    |
          |----------+--------------+--------+-------------------------|
          |  RED 1   | Unidentified |   On   | CSU/DSU is detecting a  |
          |          |              |        | red alarm condition on  |
          |          |              |        |      the sub link       |
          |----------+--------------+--------+-------------------------|
          |  RED 1   | Unidentified |  Off   |     CSU/DSU is not      |
          |          |              |        |  detecting a red alarm  |
          |          |              |        |  condition on the sub   |
          |          |              |        |          link           |
          |----------+--------------+--------+-------------------------|
          |  YEL 1   | Unidentified |   On   | CSU/DSU is detecting a  |
          |          |              |        | yellow alarm condition  |
          |          |              |        |     on the sub link     |
          |----------+--------------+--------+-------------------------|
          |  YEL 1   | Unidentified |  Off   |     CSU/DSU is not      |
          |          |              |        |   detecting a yellow    |
          |          |              |        | alarm condition on the  |
          |          |              |        |        sub link         |
          |----------+--------------+--------+-------------------------|
          |  RED 2   | Unidentified |   On   | CSU/DSU is detecting a  |
          |          |              |        | red alarm condition on  |
          |          |              |        |      the main link      |
          |----------+--------------+--------+-------------------------|
          |  RED 2   | Unidentified |  Off   |     CSU/DSU is not      |
          |          |              |        |  detecting a red alarm  |
          |          |              |        |  condition on the main  |
          |          |              |        |          link           |
          |----------+--------------+--------+-------------------------|
          |  YEL 2   | Unidentified |   On   | CSU/DSU is detecting a  |
          |          |              |        | yellow alarm condition  |
          |          |              |        |    on the main link     |
          |----------+--------------+--------+-------------------------|
          |  YEL 2   | Unidentified |  Off   |     CSU/DSU is not      |
          |          |              |        |   detecting a yellow    |
          |          |              |        | alarm condition on the  |
          |          |              |        |        main link        |
          |----------+--------------+--------+-------------------------|
          |      TST | Unidentified |   On   | Device is conducting a  |
          |          |              |        |      loopback test      |
          |----------+--------------+--------+-------------------------|
          |   TST    | Unidentified |  Off   |      Device is not      |
          |          |              |        |  conducting a loopback  |
          |          |              |        |          test           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          | The FCD-14-2/T1 has three types of user-configurable data  |
          | channel modules for ports CN3 & CN4: V.35, X.21, or RS-530 |
          +------------------------------------------------------------+