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# ADTRAN
TSU
Card Type T1 DSU/CSU
Chip Set Unidentified
I/O Options V.35 DTE port, test jack - in, test jack -
out, RJ-48 control ports (2),
T1 network interface via RJ-48, power
Maximum Data Rate 1.544Mbps
Line Coding AMI, B8ZS
Framing D4, ESF
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| T1 network port | CN1 | Control port - | CN6 |
| (RJ-48) | | chain out (RJ-48) | |
|----------------------+-------+---------------------+-------|
| Test jack - in | CN2 | V.35 DTE port | CN7 |
|----------------------+-------+---------------------+-------|
| Test jack - out | CN3 | Power | CN8 |
|----------------------+-------+---------------------+-------|
| Test jack - monitor | CN4 | Power switch | SW1 |
|----------------------+-------+---------------------+-------|
| Control port - chain | CN5 | | |
| in (RJ-48) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+--------------+--------+------------------------------|
| PWR | Unidentified | On | Power is on |
|-----+--------------+--------+------------------------------|
| PWR | Unidentified | Off | Power is off |
|-----+--------------+--------+------------------------------|
| ERR | Unidentified | On | Error has been detected |
| | | | within 1 second |
|-----+--------------+--------+------------------------------|
| ERR | Unidentified | Off | Error has not been detected |
| | | | within 1 second |
|-----+--------------+--------+------------------------------|
| ALM | Unidentified | On | Alarm condition detected on |
| | | | network |
|-----+--------------+--------+------------------------------|
| ALM | Unidentified | Off | Alarm condition not detected |
| | | | on network |
|-----+--------------+--------+------------------------------|
| LB | Unidentified | On | Device is conducting a |
| | | | loopback test |
|-----+--------------+--------+------------------------------|
| LB | Unidentified | Off | Device is not conducting a |
| | | | loopback test |
|-----+--------------+--------+------------------------------|
| TD | Unidentified | On | DTE data is being |
| | | | transmitted |
|-----+--------------+--------+------------------------------|
| TD | Unidentified | Off | DTE data is not being |
| | | | transmitted |
|-----+--------------+--------+------------------------------|
| RD | Unidentified | On | DTE data is being received |
|-----+--------------+--------+------------------------------|
| RD | Unidentified | Off | DTE data is not being |
| | | | received |
|-----+--------------+--------+------------------------------|
| RS | Unidentified | On | RTS signal high |
|-----+--------------+--------+------------------------------|
| RS | Unidentified | Off | RTS signal low |
|-----+--------------+--------+------------------------------|
| CS | Unidentified | On | CTS signal high |
|-----+--------------+--------+------------------------------|
| CS | Unidentified | Off | CTS signal low |
+------------------------------------------------------------+