Severity Levels

Not Alarmed (NA)

AID Type

System Control slot

Date

Month/day/year that the condition was detected

Time

Hour:minute:second that the condition was detected

Probable Cause

MAN (Manually caused abnormal condition)

Effect on Service

Standing Condition (SC)

Alarm Entity Type

COM

Description

ABN condition

Likely Cause

A temporary condition exists that could potentially affect service (for example, a user-initiated protection switch, lockout, or loopback).

Visible Indication

Lighted ABN LED on the SYSCTL faceplate.

Action

Locate the corresponding Not Alarmed (SC) in the alarm list, and proceed to the appropriate procedure to release/clear the condition.