A user-initiated manual switch has been performed on an OC-N line, RPR protection group, path switched ring, or external synchronization reference. The manual switch has not been cleared or overridden.
|
Alarm Data |
Value/Meaning |
|---|---|
|
Severity Levels |
Not Alarmed (NA) |
|
AID Type |
OC-3, OC-12, OC-48, OC-192 line STS-1, STS-3c, STS-12c, STS-48c, or STS-192c Ring Channel VT1.5 Ring Channel VCG Synch reference (external) |
|
Date |
Month/day/year that the condition was detected |
|
Time |
Hour:minute:second that the condition was detected |
|
Probable Cause |
WKSWPR-1 (Working facility/equipment switched to protection unit 1) WKSWPR-2 (Working facility/equipment switched to protection unit 2) MSR (VCG) (Manual switch) |
|
Effect on Service |
Standing Condition (SC) |
|
Alarm Entity Type |
OC3, OC12, OC48, OC192 STS1, STS3C, STS12C, STS48C, or STS192C VT1 VCG T1, E1 |
|
Description |
manual switch |
|
Likely Cause |
User selected Fault → Protection Switch and highlighted an OCN line protection group, RPR protection group, or Path protection group, and provisioned the Switch Type as Manual. User selected Fault → Timing/Sync Protection Switch → System Timing Reference/Source Switch and the Switch Command Manual. The synchronization reference protection switching has been provisioned to revertive. |
|
Visible Indication |
Lighted ABN LED on the SYSCTL faceplate. |
|
Action |
Proceed to Procedure 5-95: Clear "manual switch" condition. |
| November 2011 | Copyright © 2011 Alcatel-Lucent. All rights reserved. |