Severity Levels

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

Default: Not Alarmed (NA)

ASAP Type

DS1 Port

AID Type

DS1 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

T1

Description

inc. (from DSX) DS1 LOS

Likely Cause

Hard failure of upstream equipment or facility (towards DSX-1).

The DS1 input was disconnected at either the backplane or the DSX-1.

Equipment is failed or removed at DSX-1.

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 5-50: Clear "inc. (from DSX) DS1" alarms.