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# RAD DATA COMMUNICATIONS
AMCD-T1 (V.35)
Card Type T1 CSU/DSU
Chip Set Unidentified
I/O Options AC power connector, 34-pin connector (V.35),
9-pin serial ports (2 RS-232), T1 network
interface (RJ-48)
Wiring Type RJ-48 100ohm shielded twisted pair
T1 Transfer Rate 1.544Mbps
T1 Protocol AMI, B8ZS, B7ZS
Frame Type ESF
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|--------------------+-------+-----------------------+-------|
| AC power connector | CN1 | Network port via | CN4 |
| | | RJ-48 connector | |
|--------------------+-------+-----------------------+-------|
| DTE serial port 1 | CN2 | DCE serial port 2 | CN5 |
|--------------------+-------+-----------------------+-------|
| 34-pin data port | CN3 | Power switch | SW2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|---------------------------------------+-------+------------|
| » | Watchdog timer enabled | JP6 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Watchdog timer disabled | JP6 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Signal ground is connected to the | JP16 | Pins 2 & 3 |
| | frame ground | | closed |
|---+-----------------------------------+-------+------------|
| | Signal ground is not connected to | JP16 | Pins 1 & 2 |
| | the frame ground | | closed |
|---+-----------------------------------+-------+------------|
| | User password enabled | S1/1 | Off |
|---+-----------------------------------+-------+------------|
| » | Default password enabled. | S1/1 | On |
| | Password=AMCD | | |
|---+-----------------------------------+-------+------------|
| » | Loads user-selected parameters | S1/2 | Off |
| | from NVRAM on power-up | | |
|---+-----------------------------------+-------+------------|
| | Loads default parameters stored | S1/2 | On |
| | in its EPROM on power-up | | |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | S1/3 | Off |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | S1/4 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|----------+--------------+--------+-------------------------|
| TD | Unidentified | On | DSU/CSU is transmitting |
| | | | data |
|----------+--------------+--------+-------------------------|
| TD | Unidentified | Off | DSU/CSU is not |
| | | | transmitting data |
|----------+--------------+--------+-------------------------|
| RD | Unidentified | On | DSU/CSU is receiving |
| | | | pulses from network |
|----------+--------------+--------+-------------------------|
| RD | Unidentified | Off | DSU/CSU is not |
| | | | receiving pulses from |
| | | | network |
|----------+--------------+--------+-------------------------|
| RED | Unidentified | On | DSU/CSU is detecting a |
| | | | red alarm condition on |
| | | | T1 network |
|----------+--------------+--------+-------------------------|
| RED | Unidentified | Off | DSU/CSU is not |
| | | | detecting a red alarm |
| | | | condition on T1 network |
|----------+--------------+--------+-------------------------|
| YEL | Unidentified | On | DSU/CSU is detecting a |
| | | | yellow alarm condition |
| | | | on T1 network |
|----------+--------------+--------+-------------------------|
| YEL | Unidentified | Off | DSU/CSU is not |
| | | | detecting a yellow |
| | | | alarm condition on T1 |
| | | | network |
|----------+--------------+--------+-------------------------|
| ALM | Unidentified | On | Alarms are being stored |
| | | | in alarm buffer |
|----------+--------------+--------+-------------------------|
| ALM | Unidentified | Off | No alarms are in alarm |
| | | | buffer |
|----------+--------------+--------+-------------------------|
| TST | Unidentified | On | Loopback test active |
|----------+--------------+--------+-------------------------|
| TST | Unidentified | Off | Loopback test not |
| | | | running |
+------------------------------------------------------------+