Severity Levels

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

SA Default: Critical (CR)

NSA Default: Minor (MN)

ASAP Type

OTU2 Port

AID Type

OTU2 Port

Date

Month/day/year that the condition was detected

Time

Hour:minute:second that the condition was detected

Probable Cause

LOS-P (Loss of Signal Payload)

Effect on Service

SA or NSA

Alarm Entity Type

OTU2

Description

inc. OTU2 LOS-P

Likely Cause

The far-end OTU2 transmitter, the interconnecting fiber/connectors, or the OTU2 receiver failed.

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.