Severity Levels

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

Default: Critical (CR)

ASAP Type

EC1 Port

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

T-BERL (incoming line signal BER thresholds exceeded)

Effect on Service

SA or NSA

Alarm Entity Type

EC1

Description

inc. EC1 sig. failed (BER)

Likely Cause

Failure of the upstream equipment or facility (towards the DSX-3)

Cross talk in office wiring

Failure of EC-1 circuit pack (12DS3/EC1 [LNW16] or 48DS3/EC1 [LNW19/19B]).

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 5-57: Clear "inc. EC1" alarms.