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    Fault Monitoring

    Fault monitoring is conducted both at the physical layer, covering optical signals and channel-specific transceiver faults, and at the protocol layer with specific fault points defined for all the supported protocols. Monitoring is also conducted on the supporting BTI7800 equipment, including the monitoring of the various sensors located throughout the chassis and on the modules.

    A fault can be either an alarm or a condition. An (unmasked) alarm provides notification of a fault as the fault occurs. A condition is a fault that does not provide a notification, and is generally used for lower severity faults. You can configure whether a fault is an alarm or a condition by using the conditions settings CLI command. Alarms and conditions can be viewed through the show alarms and show conditions commands respectively.

    Additionally, an alarm can be masked by other alarms. Alarm masking refers to the suppression of one or more alarm notifications because of the existence of another alarm indicating a higher priority fault or more accurately identifies the source of a fault. In this way, the operator does not get flooded with alarms when a fault occurs, thereby enabling quicker fault isolation and resolution.

    Refer to Alarms and Conditions for the full list of alarms and conditions. For detailed information, see the BTI7800 Series Alarm and Troubleshooting Guide.

    Modified: 2017-10-24