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# 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
IMG IMG 1
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
IMG IMG 2
VER.X.21
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label |
|------------------------------------------+-----------------|
| 15 pin connector | CN9 |
+------------------------------------------------------------+
IMG IMG 3
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 |
+------------------------------------------------------------+