The bit error ratio (BER) based on bipolar violations in the E1 signal incoming from the DSX-1 exceeds the provisioned threshold of 10-3.
Alarm Data |
Value/Meaning |
---|---|
Severity Levels |
Critical (CR), Major (MJ), Minor (MN), Not Alarmed (NA), Not Reported (NR) Default: Not Alarmed (NA) |
ASAP Type |
E1 Port |
AID Type |
E1 Port |
Date |
Month/day/year that the condition was detected |
Time |
Hour:minute:second that the condition was detected |
Probable Cause |
T-BERL (incoming line signal BER thresholds exceeded) |
Effect on Service |
SA or NSA |
Alarm Entity Type |
E1 |
Description |
inc. (from DSX) E1 sig. failed |
Likely Cause |
Failure of upstream equipment or facility (towards the DSX-1) Cross-talk in office wiring Failure of the 56DS1/E1 circuit pack |
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 5-56: Clear "inc. (from DSX) E1" alarms. |
November 2011 | Copyright © 2011 Alcatel-Lucent. All rights reserved. |