RAD DATA COMMUNICATIONS
=======================

   FCD-1X

   Card Type        T1 CSU/DSU                                    
   Chip Set         Unidentified                                  
   I/O Options      AC power connector, V.35 DTE port (34-pin     
                    connector),                                   
                                                                  
                    9-pin serial port (RS-232), 25-pin serial     
                    port (RS-530),                                
                                                                  
                    T1 network interface via 15-pin connector     
   Wiring Type      100ohm shielded twisted pair via 15-pin       
                    connector                                     
   T1 Transfer Rate 1.544Mbps                                     
   T1 Protocol      AMI, B8ZS, B7ZS                               
   Frame type       D4,ESF                                        
   Data Bus         External                                      

<gopher://bitreich.org/I/th99/t/P-R/54884-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function       | Label |      Function       | Label |
   |----------------------+-------+---------------------+-------|
   | AC power connector   |  CN1  | DCE/DTE port        |  CN4  |
   |                      |       | (34-pin connector)  |       |
   |----------------------+-------+---------------------+-------|
   | 9-pin serial port    |  CN2  | Network interface   |  CN5  |
   |                      |       | via 15-pin          |       |
   |                      |       | connector           |       |
   |----------------------+-------+---------------------+-------|
   | DCE/DTE port (25-pin |  CN3  | Power switch        |  SW2  |
   | connector)           |       |                     |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | Debug self test mode disabled     |  JP2  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Debug self test mode enabled      |  JP2  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Default password enabled.         |  JP3  | Pins 2 & 3 |
   |   | Password=FCD-1/X                  |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | User password enabled             |  JP3  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Watchdog timer enabled            |  JP4  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Watchdog timer disabled           |  JP4  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Signal ground is connected to the | JP12  | Pins 2 & 3 |
   |   | frame ground                      |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Signal ground is not connected to | JP12  | Pins 1 & 2 |
   |   | the frame ground                  |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Internal -5V enabled              | JP22  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Grounded to pin 15 in the main    | JP22  | Pins 2 & 3 |
   |   | link connector (CN5)              |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Allows connection of the line     | JP25  |   Closed   |
   |   | controlled by JP22 to pin 15 of   |       |            |
   |   | main link connector (CN5) for     |       |            |
   |   | powering external device          |       |            |
   |---+-----------------------------------+-------+------------|
   |   | Does not allow connection of the  | JP25  |    Open    |
   |   | line controlled by JP22 to pin 15 |       |            |
   |   | of main link connector (CN5) for  |       |            |
   |   | powering external device          |       |            |
   |---+-----------------------------------+-------+------------|
   |>> | Allows connection of internal     | JP26  |   Closed   |
   |   | +5V, via resistor, to pin 14 of   |       |            |
   |   | main link connector (CN5) for     |       |            |
   |   | powering external device          |       |            |
   |---+-----------------------------------+-------+------------|
   |   | Does not allow connection of      | JP26  |    Open    |
   |   | internal +5V, via resistor, to    |       |            |
   |   | pin 14 of main link connector     |       |            |
   |   | (CN5) for powering external       |       |            |
   |   | device                            |       |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                T1 TRANSMIT LEVEL SELECTION                 |
   |------------------------------------------------------------|
   |             Net build              |  Label  |  Position   |
   |------------------------------------+---------+-------------|
   |>> |              0dB               |   SW1   |      1      |
   |---+--------------------------------+---------+-------------|
   |   |             7.5dB              |   SW1   |      2      |
   |---+--------------------------------+---------+-------------|
   |   |              15dB              |   SW1   |      3      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |   LED    |    Color     | Status |        Condition        |
   |----------+--------------+--------+-------------------------|
   |   RTS    | Unidentified |   On   |   RTS signal is high    |
   |----------+--------------+--------+-------------------------|
   |   RTS    | Unidentified |  Off   |    RTS signal is low    |
   |----------+--------------+--------+-------------------------|
   |   DCD    | Unidentified |   On   |   DCD signal is high    |
   |----------+--------------+--------+-------------------------|
   |   DCD    | Unidentified |  Off   |    DCD signal is low    |
   |----------+--------------+--------+-------------------------|
   |     TD   | Unidentified |   On   |  CSU/DSU is detecting   |
   |          |              |        |  pulses from the local  |
   |          |              |        |           DTE           |
   |----------+--------------+--------+-------------------------|
   |    TD    | Unidentified |  Off   |     CSU/DSU is not      |
   |          |              |        |  detecting pulses from  |
   |          |              |        |      the local DTE      |
   |----------+--------------+--------+-------------------------|
   |    RD    | Unidentified |   On   |  CSU/DSU is receiving   |
   |          |              |        |   pulses from network   |
   |----------+--------------+--------+-------------------------|
   |    RD    | Unidentified |  Off   |     CSU/DSU is not      |
   |          |              |        |  receiving pulses from  |
   |          |              |        |         network         |
   |----------+--------------+--------+-------------------------|
   |   RED    | Unidentified |   On   | CSU/DSU is detecting a  |
   |          |              |        |   red alarm condition   |
   |----------+--------------+--------+-------------------------|
   |   RED    | Unidentified |  Off   |     CSU/DSU is not      |
   |          |              |        |  detecting a red alarm  |
   |          |              |        |        condition        |
   |----------+--------------+--------+-------------------------|
   |   YEL    | Unidentified |   On   | CSU/DSU is detecting a  |
   |          |              |        | yellow alarm condition  |
   |----------+--------------+--------+-------------------------|
   |   YEL    | Unidentified |  Off   |     CSU/DSU is not      |
   |          |              |        |   detecting a yellow    |
   |          |              |        |   alarm condition on    |
   |----------+--------------+--------+-------------------------|
   |      TST | Unidentified |   On   |  CSU/DSU loopback test  |
   |          |              |        |         active          |
   |----------+--------------+--------+-------------------------|
   |   TST    | Unidentified |  Off   |  CSU/DSU loopback test  |
   |          |              |        |       not running       |
   +------------------------------------------------------------+