The incoming DS1 synchronization reference signal is out of lock (OOL). The frequency of the clock providing the DS1 reference signal is out of specification.
|
Alarm Data |
Value/Meaning |
|---|---|
|
Severity Levels |
Critical (CR), Major (MJ), Minor (MN), Not Alarmed (NA), Not Reported (NR) Unprotected default: Major (MJ) Protected default: Minor (MN) |
|
ASAP Type |
System Timing |
|
AID Type |
Synch reference (external) |
|
Date |
Month/day/year that the condition was detected |
|
Time |
Hour:minute:second that the condition was detected |
|
Probable Cause |
SYNCOOS (Loss of timing on both primary and secondary synchronization references) SYNC (Loss of timing on a protected synchronization reference) |
|
Effect on Service |
NSA |
|
Alarm Entity Type |
T1 |
|
Description |
inc. DS1 sync. ref. OOL |
|
Likely Cause |
Failure of the timing supply that provides the DS1 timing reference. |
|
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 5-49: Clear "inc. DS1/E1 sync. ref." alarms. |
| November 2011 | Copyright © 2011 Alcatel-Lucent. All rights reserved. |