inc. OTU2 SSF

Description

The system has detected a server signal failure (SSF) condition on an incoming 10G optical channel transport unit (OTU2) signal resulting from an incoming OTU2 LOS or AIS insertion.

Alarm Data

Value/Meaning

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

SSF (Signal Server Fail)

Effect on Service

SA or NSA

Alarm Entity Type

OTU2

Description

inc. OTU2 SSF

Likely Cause

The OTU2 SSF is a consequent action of an OTU2 LOS or AIS insertion in the incoming OTU2 signal.

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.

November 2011Copyright © 2011 Alcatel-Lucent. All rights reserved.