When multiple alarms are reported, the priority principle of alarm processing is as follows: according to the priority of equipment type alarms (BUS_ERR, HARD_ERR, COMM FAIL, etc.), optical layer…

When multiple alarms are reported, the priority principle of alarm processing is as follows:

according to the priority of equipment type alarms (BUS_ERR, HARD_ERR, COMM FAIL, etc.), optical layer LOS, electrical layer OTUk LOF, ODUK_SSF, and protection type protection switching Handle and troubleshoot alarms.