Indicates a failure condition in an incoming virtual concatenation group (VCG). The failure of any VT1.5, STSN, or VCN tributary in the VCG causes a VCG failure.
|
Alarm Data |
Value/Meaning |
|---|---|
|
Severity Levels |
Critical (CR) |
|
AID Type |
VCG |
|
Date |
Month/day/year that condition was detected |
|
Time |
Hour:minute:second that condition was detected |
|
Probable Cause |
LOS (Loss of Signal) |
|
Effect on Service |
SA |
|
Alarm Entity Type |
VCG |
|
Description |
inc. VCG failed |
|
Likely Cause |
Cross-connection error in one or more VT1.5, STSN, or VCN tributaries in the VCG. |
|
Visible Indication |
Lighted CR/MJ LED on SYSCTL faceplate. |
|
Action |
Proceed to Procedure 5-40: Clear "inc. VCG failed" alarm. |
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