Table 1: Alarm Details
Loss Above High Threshold, Receive: The measured optical power loss in the receive fiber is above the high threshold.
Terminal amplifier line ports (see respective table below).
Related Fault Hierarchy
Table 2: Terminal Amplifier Line Ports
Fault LED, Line port
Clearing a TlossRxHt Alarm
Follow all applicable safety requirements as described in the BTI7800 Series Hardware Overview and Installation Guide.
- Retrieve statistics for the terminal amplifier line port
to view the value of the
Optical power loss in recv. directioncounter:
show statistics current line:identifier
For detailed AMP1 specifications, see the BTI7800 Series Hardware Overview and Installation Guide.
- Check for the following problems, and resolve them if
There is excessive loss on the receive span fiber.
The span length is excessive, resulting in loss that cannot be supported.
There is excessive loss on upstream patch fibers.
- Check for alarms on the terminal amplifier line port:
If the alarm has cleared, you have completed this procedure.
If the alarm does not clear, contact your next level of support.