The system has detected a virtual tributary (VT) loss-of-pointer (LOP) condition. A valid VT pointer could not be found for eight consecutive frames in the identified virtual channel.
|
Alarm Data |
Value/Meaning |
|---|---|
|
Severity Levels |
Critical (CR), Major (MJ), Minor (MN), Not Alarmed (NA), Not Reported (NR) SA Default: Major (MJ) NSA Default: Minor (MN) |
|
ASAP Type |
VT1.5 Ring Channel |
|
AID Type |
VT1.5 Ring Channel |
|
Date |
Month/day/year that the condition was detected |
|
Time |
Hour:minute:second that the condition was detected |
|
Probable Cause |
LOP (Loss of pointer) |
|
Effect on Service |
SA or NSA |
|
Alarm Entity Type |
VT1 |
|
Description |
inc. VT LOP |
|
Likely Cause |
Unprotected failure of the OC-N OLIU at the near end; failure of an OLIU or DS1 circuit pack at the far end. An unprotected circuit pack failed - SA. A protected circuit pack failed - 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) |
|
Action |
Proceed to Procedure 5-79: Clear "inc. VT" conditions/alarms. |
| November 2011 | Copyright © 2011 Alcatel-Lucent. All rights reserved. |