Table 1: Alarm Details
Loss out of Specification, Receive: The optical loss received is outside the specification range.
DOL ports (see respective table below).
Either the upstream fiber link or the optical connection is degraded.
Related Fault Hierarchy
Table 2: DOL Ports
ROADM2 or ILA
Fault LED, L1 port
where the range of n depends on the module.
Fault LED, C<n> port
Clearing a LoSpecRx Alarm
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
Optical power loss in recv. directioncounter, 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.