Loss of signal (LOS) indicates that a Data port does not detect the presence of a valid incoming data signal.
Alarm Data |
Value/Meaning |
---|---|
Severity Levels |
Critical (CR), Major (MJ), Minor (MN), Not Alarmed (NA), Not Reported (NR) SA Default: Critical (CR) NSA Default: Minor (MN) |
ASAP Type |
Data port |
AID Type |
Data port |
Date |
Month/day/year that the condition was detected |
Time |
Hour:minute:second that the condition was detected |
Probable Cause |
LOS (Loss of signal) |
Effect on Service |
SA or NSA |
Alarm Entity Type |
DATA |
Description |
inc. LOS |
Likely Cause |
Disconnected data cable or fiber, or failure or removal of interfacing customer data equipment. |
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 5-65: Clear "inc. LOS" alarm. |
November 2011 | Copyright © 2011 Alcatel-Lucent. All rights reserved. |