Severity Levels

Not Alarmed (NA)

AID Type

OCN Line

Date

Month/day/year that the condition was detected

Time

Hour:minute:second that the condition was detected

Probable Cause

LPBKNETWORK (Loopback, Network)

Effect on Service

Standing Condition (SC)

Alarm Entity Type

High Speed (main): OC12, OC48, OC192

Low Speed (function): OC3, OC12, OC48

Description

OCN facility loopback

Likely Cause

User executed a facility loopback using Fault → Analysis → Loopback.

Visible Indication

Lighted ABN LED on the SYSCTL faceplate.

Action

Proceed to Procedure 5-107: Clear "OCN facility loopback" condition.