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 Protocol |
X.25 |
|
Line Coding |
2B1Q |
|
Framing |
Unidentified |
|
Data Bus |
External |
|
CONNECTIONS | ||||||
|
Function |
Label |
Function |
Label | |||
|
U T1 network interface via (RJ-45) |
CN1 |
S/T ISDN local bus interface (RJ-45) |
CN3 | |||
|
S/T ISDN local bus interface (RJ-45) |
CN2 |
|
| |||
|
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 termination enabled |
Off |
Off |
On |
On |
|
100 Ohm local bus termination enabled |
On |
On |
Off |
Off |
|
Local bus termination disabled |
Off |
Off |
Off |
Off |
|
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. | |||