User's Manual

PAGE 46 61280.003L1-1B
4/12/99
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.
RECOMMENDED ACTION
POSSIBLE CAUSE (SEE LIST BELOW)
• 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.
RECOMMENDED ACTION
POSSIBLE CAUSE (SEE LIST BELOW)
• The incoming T1 contains BPVs or errors. ....................................... 1
• The line codes between the DS1/DSX-1
equipment and the Tracer are incompatible. .................................... 2
S
ECTION 4
I M P O R T A N T
If problems persist after you have followed the Recommended
Actions, contact ADTRAN Technical Support at [phone].