The system has detected a open connection indication (OCI) maintenance signal on an incoming 10G optical channel data unit (ODU2) signal (from the OTU2 port). This indicates that an upstream connection is not connected.
|
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 |
ODU2 Tributary |
|
AID Type |
ODU2 Tributary |
|
Date |
Month/day/year that the condition was detected |
|
Time |
Hour:minute:second that the condition was detected |
|
Probable Cause |
OCI (Open Connection Indication) |
|
Effect on Service |
SA or NSA |
|
Alarm Entity Type |
ODU2 |
|
Description |
inc. ODU2 OCI |
|
Likely Cause |
An input port is not connected to an output port at an upstream network element (optical cross-connect/switching fabric). SA when the OTU2 is the destination of an OCH cross-connection and at least one of the client ports has a Signal Type of other than STNA. Otherwise, the alarm is reported as 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) and a flashing Fault LED on the alarmed circuit pack. |
|
Action |
Proceed to Procedure 5-70: Clear "inc. ODU2 LCK/OCI" alarms. |
| November 2011 | Copyright © 2011 Alcatel-Lucent. All rights reserved. |