ASTROCOM CORPORATION
NX1
|
Card Type |
T1 CSU/DSU |
|
Chipset |
Unidentified |
|
T1 Transfer Rate |
56Kbps x 24/64Kbps x 24 |
|
T1 Protocol |
AMI, B8ZS |
|
Frame Type |
D4, SF, ESF |
|
Data Bus |
Serial |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
LEFT button |
BT1 |
T1 line out (Network Interface) |
CN3 |
|
ENTER button |
BT2 |
T1 line in (Terminal Interface) |
CN4 |
|
RIGHT button |
BT3 |
Serial control port |
CN5 |
|
AC power in |
CN1 |
LCD display |
LCD |
|
V.35, RS-422, or RS-449 serial data port |
CN2 |
Power switch |
SW1 |
|
Note:The type of serial port CN2 is determined by which daughtercard is installed in the unit. No further information about the daughtercard is available. | |||
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
RED |
Unidentified |
On |
T1 signal has been out of frame for more than 2.5 seconds |
|
RED |
Unidentified |
Off |
T1 signal has not been out of frame for more than 2.5 seconds |
|
YEL |
Unidentified |
On |
Yellow alarm signal detected |
|
YEL |
Unidentified |
Off |
Yellow alarm signal not detected |
|
AIS |
Unidentified |
On |
All Ones Signal detected |
|
AIS |
Unidentified |
Off |
All Ones Signal not detected |
|
LOS |
Unidentified |
On |
Loss of Signal condition detected for more than 150ms |
|
LOS |
Unidentified |
Off |
Loss of Signal condition not detected for more than 150ms |
|
SES |
Unidentified |
On |
Large quantity of errors detected in the last second |
|
SES |
Unidentified |
Off |
Small quantity of errors detected in the last second |
|
DIAGNOSTIC LED(S) (CON'T) | |||
|
LED |
Color |
Status |
Condition |
|
T1A |
Unidentified |
On |
Valid signal detected on T1 network interface |
|
T1A |
Unidentified |
Off |
Valid signal not detected on T1 network interface |
|
DTEA |
Unidentified |
On |
Valid signal detected at DTE |
|
DTEA |
Unidentified |
Off |
Valid signal not detected at DTE |
|
DS1A |
Unidentified |
On |
Valid signal detected on T1 terminal interface |
|
DS1A |
Unidentified |
Off |
Valid signal not detected on T1 terminal interface |
|
T1B |
Unidentified |
On |
T1 network interface in test mode |
|
T1B |
Unidentified |
Off |
T1 network interface not in test mode |
|
DTEB |
Unidentified |
On |
DTE in test mode |
|
DTEB |
Unidentified |
Off |
DTE not in test mode |
|
DS1B |
Unidentified |
On |
T1 terminal interface in test mode |
|
DS1B |
Unidentified |
Off |
T1 terminal interface not in test mode |