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# ADTRAN
NT1 TYPE 400
Card Type ISDN T1
Chip Set Unidentified
I/O Options ST local bus interface via RJ-45 connectors
(2), power
U T1 network interface via RJ-45 connector
T1 Data Rate 1.544Mbps
ISDN D-channel X.25
Protocol
Line Coding 2B1Q
Framing Unidentified
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label | | | |
|--------------------+-------+-----------+-------+---+---+---|
| U T1 network | CN1 | S/T ISDN | CN3 | | | |
| interface via | | local bus | | | | |
| (RJ-45) | | interface | | | | |
| | | (RJ-45) | | | | |
|--------------------+-------+-----------+-------+---+---+---|
| S/T ISDN local bus | CN2 | | | | | |
| interface (RJ-45) | | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| í Factory configured - do not alter | SW1/1 | Unidentified |
|-------------------------------------+-------+--------------|
| Extended passive bus cinfiguration | SW1/2 | On |
|-------------------------------------+-------+--------------|
| Short passive bus configuration | SW1/2 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL BUS TERMINATION |
|------------------------------------------------------------|
| Function | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
|----------------------------+-------+-------+-------+-------|
| 50 Ohm local bus | Off | Off | On | On |
| termination enabled | | | | |
|----------------------------+-------+-------+-------+-------|
| 100 Ohm local bus | On | On | Off | Off |
| termination enabled | | | | |
|----------------------------+-------+-------+-------+-------|
| Local bus termination | Off | Off | Off | Off |
| disabled | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+----------+-------------------+---------------------|
| RDY | Green | On | Network is ready to |
| | | | place a call |
|-------+----------+-------------------+---------------------|
| RDY | Green | Blinking (fast) | U interface not |
| | | | ready or performing |
| | | | a test |
|-------+----------+-------------------+---------------------|
| RDY | Green | Blinking (slow) | S/T interface not |
| | | | ready or performing |
| | | | a test |
|-------+----------+-------------------+---------------------|
| RDY | Green | Off | Network not |
| | | | functioning or unit |
| | | | is not receiving |
| | | | power |
|-------+----------+-------------------+---------------------|
| ERR | Red | On | Error condition |
| | | | detected on network |
| | | | or local bus |
|-------+----------+-------------------+---------------------|
| ERR | Red | Off | Error condition not |
| | | | detected |
|-------+----------+-------------------+---------------------|
| PWR | Green | On | Power is on |
|-------+----------+-------------------+---------------------|
| PWR | Green | Off | Power is off |
|------------------------------------------------------------|
| Note: If ERR indicator is illuminated, pulse rate of RDY |
| indicator will determine error source. If RDY indicator is |
| blinking, and ERR indicator is off, then a test is in |
| progress. |
+------------------------------------------------------------+