VCG Loss of Partial Capacity

Description

VCG has LCAS enabled, and the number of active members (tributary assigned to a VCG) are automatically reduced due to a failure of either the source (transmit direction) or sink (receive direction), but at least one tributary is still active.

Alarm Data

Value/Meaning

Severity Levels

Critical (CR), Major (MJ), Minor (MN), Not Alarmed (NA), Not Reported (NR)

SA Default: Minor (MN)

NSA Default: Minor (MN)

ASAP Type

VCG Port

AID Type

VCG

Date

Month/day/year that the condition was detected

Time

Hour:minute:second that the condition was detected

Probable Cause

VCGLOPC (Loss of Partial Capacity)

Effect on Service

SA or NSA

Alarm Entity Type

VCG

Description

VCG Loss of Partial Capacity

Likely Cause

A SONET defect (for example, AIS) is detected on the STS-1, STS-3c, or VT1.5 tributary that is also a member of an LCAS-enabled VCG.

Visible Indication

Lighted CR, MJ, or MN LED on the SYSCTL faceplate (when the severity level is provisioned to Critical, Major, or Minor, respectively)

Action

Proceed to Procedure 5-147: Clear "VCG Loss of Partial Capacity" alarm.

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