Test Results
250 MAX-800 Series
Alarms/Errors Overview
WIS
Note: Available under the WIS sub tab for 10G WAN interface only.
Alarms
WIS Link Down
RX: At least one of the following errors is present: AIS-P, LOF, PLM-P,
SEF, LOP, or AIS-L.
SEF (Severely Errored Framing)
RX: A minimum of four consecutive errored framing patterns.
TX: Generates more than four consecutive errored framing patterns.
LOF (Loss Of Frame)
RX: A Severely Error Framing (SEF) defect on the incoming SONET
signal persists for at least 3 milliseconds.
TX: Generates a non-valid framing pattern.
AIS-L (Alarm Indication Signal - Line)
RX: Bits 6, 7 and 8 of the K2 byte contain the “111" pattern in five
consecutive frames.
TX: Generates a “111” pattern for the bits 6, 7 and 8 of the K2 byte.
RDI-L (Remote Defect Indication - Line)
RX: Bits 6, 7, and 8 of the K2 byte contain the “110" pattern in five
consecutive frames.
TX: Generates a “110” pattern for the bits 6, 7 and 8 of the K2 byte.
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