Severity Levels

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

SA Default: Critical (CR)

NSA Default: Minor (MN)

ASAP Type

ODU2 Tributary

AID Type

ODU2 Tributary

Date

Month/day/year that the condition was detected

Time

Hour:minute:second that the condition was detected

Probable Cause

DEG (Degraded Signal)

Effect on Service

SA or NSA

Alarm Entity Type

ODU2

Description

inc. ODU2 DEG

Likely Cause

The XM10G/8 circuit pack failed at the near end, the receive fiber failed, or the XM10G/8 circuit pack failed at the far end, or there is a problem with the optical attenuator usage.

SA when the OTU2 is the destination of an OCH cross-connection and at least one of the client ports has a Signal Type of other than STNA. Otherwise, the alarm is reported as NSA.

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 5-71: Clear "inc. ODU2/OTU2" alarms.