EC1 loopback (to Fiber)

Description

A loopback (toward the optical fiber) is active on the specified EC-1 port. Generally used during system start-up as a maintenance tool.

Alarm Data

Value/Meaning

Severity Levels

Not Alarmed (NA)

AID Type

EC-1 Port

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

EC1

Description

EC1 loopback (to Fiber)

Likely Cause

User selected Fault → Analysis → Loopback.

Visible Indication

Lighted ABN LED on the SYSCTL faceplate.

Action

Proceed to Procedure 5-29: Clear "EC1 loopback (to Fiber)" condition.

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