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

   FCD-T1/1/T1

   Card Type        T1 CSU/DSU                                    
   Chip Set         Unidentified                                  
   I/O Options      AC power connector, 25-pin RS-530 port        
                                                                  
                    serial ports (2), RJ-48 network interface (2) 
   T1 Transfer Rate 1.544Mbps                                     
   T1 Protocol      AMI, Transparent, B7ZS, B8ZS                  
   Frame type       D4                                            
   Data Bus         External                                      

<gopher://bitreich.org/I/th99/t/P-R/54859-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function      | Label |       Function        | Label |
   |--------------------+-------+-----------------------+-------|
   | AC power connector |  CN1  | Network port via      |  CN4  |
   |                    |       | RJ-48 connector       |       |
   |--------------------+-------+-----------------------+-------|
   | Serial port 1      |  CN2  | Serial port 2         |  CN5  |
   |--------------------+-------+-----------------------+-------|
   | 25-pin connector   |  CN3  | Power switch          |  SW2  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | Signal ground is connected to the |  JP8  |   Closed   |
   |   | frame ground                      |       |            |
   |---+-----------------------------------+-------+------------|
   |   | Signal ground is not connected to |  JP8  |    Open    |
   |   | the frame ground                  |       |            |
   |---+-----------------------------------+-------+------------|
   |>> | Front panel push-buttons are      | JP77  | Pins 1 & 2 |
   |   | enabled                           |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Front panel push-buttons are      | JP77  | Pins 2 & 3 |
   |   | disabled                          |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Supervisor ports operate          | S1/1  |    Off     |
   |   | according to user-defined         |       |            |
   |   | parameters                        |       |            |
   |---+-----------------------------------+-------+------------|
   |   | CSU/DSU uses default parameters   | S1/1  |     On     |
   |   | stored in its EPROM               |       |            |
   |---+-----------------------------------+-------+------------|
   |   | User password enabled             | S1/2  |    Off     |
   |---+-----------------------------------+-------+------------|
   |>> | Default password enabled.         | S1/2  |     On     |
   |   | Password=RAD                      |       |            |
   |---+-----------------------------------+-------+------------|
   |>> | Loads user-selected parameters    | S1/3  |    Off     |
   |   | from NVRAM on power-up            |       |            |
   |---+-----------------------------------+-------+------------|
   |   | Loads default parameters stored   | S1/3  |     On     |
   |   | in its EPROM on power-up          |       |            |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter | S1/4  |    Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        ALARM/RELAY                         |
   |------------------------------------------------------------|
   |             Function             |    JP51    |    JP52    |
   |----------------------------------+------------+------------|
   |>> | Alarm relay is disconnected. | Pins 2 & 3 | Pins 2 & 3 |
   |   |   DTE serial port 1 (CN2)    |   closed   |   closed   |
   |   | provides full functionality  |            |            |
   |---+------------------------------+------------+------------|
   |   |   Alarm relay is connected   | Pins 1 & 2 | Pins 1 & 2 |
   |   |    instead of DCD and CTS    |   closed   |   closed   |
   |   | lines. Polled communication  |            |            |
   |   |           disabled           |            |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |   LED    |    Color     | Status |        Condition        |
   |----------+--------------+--------+-------------------------|
   |  RED 1   | Unidentified |   On   | DSU/CSU is detecting a  |
   |          |              |        | red alarm condition on  |
   |          |              |        |      the main link      |
   |----------+--------------+--------+-------------------------|
   |  RED 1   | Unidentified |  Off   |     DSU/CSU is not      |
   |          |              |        |  detecting a red alarm  |
   |          |              |        |  condition on the main  |
   |          |              |        |          link           |
   |----------+--------------+--------+-------------------------|
   |  YEL 1   | Unidentified |   On   | DSU/CSU is detecting a  |
   |          |              |        | yellow alarm condition  |
   |          |              |        |    on the main link     |
   |----------+--------------+--------+-------------------------|
   |  YEL 1   | Unidentified |  Off   |     DSU/CSU is not      |
   |          |              |        |   detecting a yellow    |
   |          |              |        | alarm condition on the  |
   |          |              |        |        main link        |
   |----------+--------------+--------+-------------------------|
   |  RED 2   | Unidentified |   On   | DSU/CSU is detecting a  |
   |          |              |        | red alarm condition on  |
   |          |              |        |      the sub link       |
   |----------+--------------+--------+-------------------------|
   |  RED 2   | Unidentified |  Off   |     DSU/CSU is not      |
   |          |              |        |  detecting a red alarm  |
   |          |              |        |  condition on the sub   |
   |          |              |        |          link           |
   |----------+--------------+--------+-------------------------|
   |  YEL 2   | Unidentified |   On   | DSU/CSU is detecting a  |
   |          |              |        | yellow alarm condition  |
   |          |              |        |     on the sub link     |
   |----------+--------------+--------+-------------------------|
   |  YEL 2   | Unidentified |  Off   |     DSU/CSU is not      |
   |          |              |        |   detecting a yellow    |
   |          |              |        | alarm condition on the  |
   |          |              |        |        sub link         |
   |----------+--------------+--------+-------------------------|
   |   ALM    | Unidentified |   On   | DSU/CSU is detecting an |
   |          |              |        | alarm condition in the  |
   |          |              |        |         system          |
   |----------+--------------+--------+-------------------------|
   |   ALM    | Unidentified |  Off   |     DSU/CSU is not      |
   |          |              |        |   detecting an alarm    |
   |          |              |        | condition in the system |
   |----------+--------------+--------+-------------------------|
   |      TST | Unidentified |   On   |   DSU or CSU loopback   |
   |          |              |        |       test active       |
   |----------+--------------+--------+-------------------------|
   |   TST    | Unidentified |  Off   |   DSU or CSU loopback   |
   |          |              |        |    test not running     |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/t/P-R/54859-2.png>
   

   VER.X.21

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |      Label      |
   |------------------------------------------+-----------------|
   | 15 pin connector                         |       CN9       |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/t/P-R/54859-3.png>
   

   VER. V.35

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |      Label      |
   |------------------------------------------+-----------------|
   | 34 pin connector                         |       CN9       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   | If an additional port is required, the single port module  |
   | may be replaced with a dual port module. V.35, X.21, or    |
   | RS-530 interfaces are available for the FCD/T1 unit        |
   +------------------------------------------------------------+