Ericsson Redback Networks SmartEdge 1200, Руководство по оборудованию

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Port Alarms
Alarms and Probable Causes B-5
Table B-5 lists the supported optical port alarms for the physical layer.
Table B-6 lists the supported optical port alarms for the section/regenerator section layer.
Table B-7 lists the supported optical port alarms for the line/multiplex layer.
Table B-5 Optical Port Alarms—Physical Layer
Description Severity Probable Cause Service Affecting
Port facility loopback enabled Minor OperationNotification No
Port terminal loopback enabled Minor OperationNotification No
Receive laser failure Critical DemodulationFailure Yes
Table B-6 Optical Port Alarms—Section/Regenerator Section Layer
Description Severity Probable Cause Service Affecting
Loss of frame Critical LossOfFrame Yes
Loss of signal Critical LossOfSignal Yes
Table B-7 Optical Port Alarms—Line/Multiplex Section Layer
Description Severity Probable Cause Service Affecting
Line alarm indication signal (AIS-L) Minor AIS No
Line remote failure indication (RFI-L) Minor FarEndReceiverFailure No
Line signal degrade (BER) Major DegradedSignal Yes
Line signal failure (BER) Major ExcessiveBER Yes
Lockout protection requested Major OperationNotification Yes
Lockout working requested Major OperationNotification Yes
Loss of clock Major LossOfTimingSource Yes
Port auto switch completed Major OperationNotification Yes
Port channel mismatch Major ApsChannelMatchFailure Yes
Port diagnostic failed Major ReplaceableUnitProblem Yes
Port far-end protection line failure Major ApsChannelProcessingFailure Yes
Port fault oscillations detected Critical DegradedSignal Yes
Port forced switch requested Major OperationNotification Yes
Port manual switch request Major OperationNotification Yes
Port mode mismatch Major ApsModeMismatch Yes
Port payload loopback enabled Minor OperationNotification No
Port protection switch byte failure Major ApsByteFailure Yes
Port switch completed Major OperationNotification Yes
Port switch failed Major OperationFailure Yes
Port switch lockout requested Major OperationNotification Yes