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If problems persist after you have followed the Recommended Actions, contact ADTRAN
Technical Support at (011) 256-963-8716.
Troubleshooting Using the VT100 User Interface
This section provides information for troubleshooting the Alarm Menu on the VT100 user interface. The
conditions present in the Alarm Menu are software indications and should match the front panel LED
indications.
LOS Alarm
The LOS alarm is indicated on the E1A or E1B Status/Configuration/Loopback page. This alarm is the
same as an LOS alarm on the front panel.
Possible Cause
•
No E1 signal or a degraded E1 signal is present at the E1 input. ............ 1,2
•
The connection at the E1 input or E1 equipment is faulty. ......................... 2
Recommended Actions:
1.
Verify the presence of an E1 signal at the E1 monitor jack using an E1 test set.
2.
Verify that all cables and connectors are correctly wired.
CV Alarm
The CV alarm is indicated on the E1A or E1B Status/Configuration/Loopback page.
Possible Cause
•
The incoming E1 contains CVs or errors. ................................................... 1
•
The line codes between the E1 equipment and the
TRACER are incompatible. ......................................................................... 2
Recommended Actions:
1.
Check the incoming E1 signal for CVs using an E1 test set.
2.
Correct the line code on the TRACER or E1 equipment.
TRACER 2 x E1 User's Manual
Section 4 Troubleshooting
I M P O R T A N T
61280004L2-1C
Recommended Action
(see list below)
Recommended Action
(see list below)
37
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