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. degrade (BER)

Likely Cause

Either a failure of a DS3/EC1 circuit pack at the near-end or a failure of the receive fiber.

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.