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# 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
IMG IMG 1
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+