Severity Levels

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

Default: Critical (CR)

ASAP Type

DS3 Port

AID Type

DS3 Port

Date

Month/day/year that the condition was detected

Time

Hour:minute:second that the condition was detected

Probable Cause

LOS (Loss of signal)

Effect on Service

SA or NSA

Alarm Entity Type

T3

Description

inc. (from DSX) DS3 LOS

Likely Cause

Hard failure of upstream terminal equipment or facility (towards the DSX-3),

The DS3 input was disconnected at either the backplane or DSX-3, or

The DSX-3 equipment is failed.

Visible Indication

Lighted CR, MJ, or MN LED on the SYSCTL faceplate (when the severity level is provisioned to Critical, Major, or Minor, respectively) and a flashing Fault LED on the alarmed circuit pack.

Action

Proceed to Procedure 5-51: Clear "inc. (from DSX) DS3" alarms.