LoSpecRx
Table 1: Alarm Details
Parameter | Description |
---|---|
Code | loSpecRx |
Description | Loss out of Specification, Receive: The optical loss received is outside the specification range. |
Entities Affected | DOL ports (see respective table below). |
Possible Cause | Either the upstream fiber link or the optical connection is degraded. |
Default Severity | Critical |
Service Affecting | Yes (true). |
Alarm Clearing | |
Related Fault Hierarchy |
Table 2: DOL Ports
Entity Name | Fault Indicator | ||
---|---|---|---|
Module | Indicator | Status | |
port:<chassis>/<slot>/0/L1 | ROADM2 or ILA | Fault LED, L1 port | On |
port:<chassis>/<slot>/0/C<n> where the range of n depends on the module. | Fault LED, C<n> port |
Clearing a LoSpecRx Alarm
![]() | Note: Follow all applicable safety requirements as described in the BTI7800 Series Hardware Overview and Installation Guide. |
- Retrieve statistics for the DOL port to view the value
of the Optical power loss in
recv. direction counter, and then
refer to DOL Rx-loss alarm thresholds:
show statistics current port:identifier
- Ensure that the upstream fiber connections are intact, thoroughly clean, and correctly connected.
- Check for alarms on the DOL port.
- If the alarm has cleared, you have completed this procedure.
- If the alarm does not clear, contact your next level of support.