Table 1: Alarm Details
Inventory Unknown: The installed pluggable transceiver is not readable.
Pluggable transceivers (see respective table below).
Related Fault Hierarchy
Table 2: Pluggable Transceivers
where transceiver-type corresponds to the type of transceiver installed in the port; for example, cfp, qsfp, qsfp28, or sfpPlus.
CFP, QSFP+, QSFP28, SFP+
Fail LED, transceiver port
Clearing an InvUnknown Alarm
Follow all applicable safety requirements as described in the BTI7800 Series Hardware Overview and Installation Guide.
Refer to the BTI7800 Series Hardware Overview and Installation Guide before replacing a transceiver.
- Replace the unknown transceiver with a readable transceiver.
- Check for alarms on the port.
If the alarm has cleared, you have completed this procedure.
If the alarm does not clear, contact your next level of support.