Table 1: Alarm/condition Details
Loss Below Low Threshold, Receive: The measured optical power loss in the received fiber is below the low threshold.
Terminal amplifier line ports (see respective table below).
Related Fault Hierarchy
Table 2: Terminal Amplifier Line Ports
Fault LED, Line port
Clearing a TlossRxLt 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 the upstream fiber connections, and ensure that the fiber is intact, thoroughly clean, and properly connected.
- 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.