The system has detected a backward defect indicator (BDI) on an incoming 10G optical channel transport unit (OTU2) signal, indicating that the far-end network element has detected incoming OTU2 signal failure.
|
Alarm Data |
Value/Meaning |
|---|---|
|
Severity Levels |
Critical (CR), Major (MJ), Minor (MN), Not Alarmed (NA), Not Reported (NR) Default: Not Alarmed (NA) |
|
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 |
BDI (Backward Defect Indication) |
|
Effect on Service |
NSA |
|
Alarm Entity Type |
OTU2 |
|
Description |
inc. OTU2 BDI |
|
Likely Cause |
An incoming OTU2 signal failure was detected at the far-end 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 5-11: Clear "inc. BDI" alarms. |
| November 2011 | Copyright © 2011 Alcatel-Lucent. All rights reserved. |