The system has detected an incoming Remote Alarm Indication (RAI) at the specific port. For C-bit, the RAI is declared when the far end detects a service-affecting equipment failure, DS3 LOS, DS3 LOF, or DS3 AIS. For M13, the RAI is declared when the far end detects a DS3 severely errored frame.
Alarm Data |
Value/Meaning |
---|---|
Severity Levels |
Critical (CR), Major (MJ), Minor (MN), Not Alarmed (NA), Not Reported (NR) Default: Not Alarmed (NA) |
ASAP Type |
DS3 Port |
AID Type |
DS3 Port |
Date |
Month/day/year that the condition was detected |
Time |
Hour:minute:second that the condition was detected |
Probable Cause |
RAI-EGR (Remote Alarm Indication in Egress Position) |
Effect on Service |
NSA |
Alarm Entity Type |
T3 |
Description |
inc. (from fiber) DS3 RAI |
Likely Cause |
A remote incoming signal failure was detected at the interfacing customer equipment that is connected to the far-end SONET network element. |
Visible Indication |
Lighted CR, MJ, or MN LED on the SYSCTL faceplate (when the severity level is provisioned to Critical, Major, or Minor, respectively) |
Action |
Proceed to Procedure 5-55: Clear "inc. (from fiber) DSn RAI" alarms. |
November 2011 | Copyright © 2011 Alcatel-Lucent. All rights reserved. |