Troubleshooting Using The Vt-100 User Interface; Red Alarm; Blv Alarm - ADTRAN TRACER 2xT1 User Manual

If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical
Support at (800) 726-8663.

Troubleshooting Using the VT-100 User Interface

This section provides information for troubleshooting the Alarm Menu on the VT-100 user interface. The
conditions present in the Alarm Menu are software indications and should match the front panel LED
indications.

RED Alarm

This alarm will activate when there is no signal present at the T1 interface. This alarm is the same as a
RED alarm on the front panel.
Possible Cause
• No DS1/DSX-1 signal or a degraded DS1/DSX-1 signal is present
at the DS1/DSX-1 input. ........................................................................... 1,2
• The connection at the T1 input or DS1/DSX-1 equipment is faulty. .......... 2
Recommended Actions:
1. Verify the presence of a DS1/DSX-1 signal at the T1 monitor jack using a T1 test set.
2. Verify that all cables and connectors are correctly wired.
BPV Alarm
The BPV alarm will activate whenever the incoming T1 stream presents BPVs.
Possible Cause
• The incoming T1 contains BPVs or errors. ................................................. 1
• The line codes between the DS1/DSX-1 equipment and the
TRACER are incompatible. ......................................................................... 2
Recommended Actions:
1. Check the incoming DS1/DSX-1 signal for BPVs using a T1 test set.
2. Correct the line code on the TRACER or DS1/DSX-1 equipment.
TRACER 2xT1 User's Manual
Section 4 Troubleshooting
I M P O R T A N T
Preliminary
61280003L2-1B
Recommended Action
(see list below)
Recommended Action
(see list below)
43