Severity Levels

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

SA Default: Major (MJ)

NSA Default: Minor (MN)

ASAP Type

VT1.5 Ring Channel

AID Type

VT1.5 Ring Channel

Date

Month/day/year that the condition was detected

Time

Hour:minute:second that the condition was detected

Probable Cause

T-BERP (incoming ring path signal BER thresholds exceeded)

Effect on Service

SA or NSA

Alarm Entity Type

VT1

Description

inc. VT sig. degrade (BER)

Likely Cause

An OC-N OLIU circuit pack failure or a fiber failure at some point on the failed ring.

An unprotected circuit pack failed - SA.

A protected circuit pack failed - NSA.

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 5-79: Clear "inc. VT" conditions/alarms.