EXFO Power Blazer 88200NGE, User Manual

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Test Results
430
88000 Series
Alarms/Errors Overview
ODUx and ODUk (ODUflex)
Note: For OPUx and OPUk (OPUflex) alarms see page 437. For GMP
alarms/errors see page 424.
Alarms

AIS
(Alarm Indication Signal)
RX : The STAT information in the PM byte 3, bits 6 to 8 is “111” for at
least 3 consecutive frames.
TX : Generates an all "1"s pattern in the entire ODUk signal, excluding
the frame alignment overhead (FA OH), OTUk overhead (OTUk OH)
and ODUk FTFL.

BDI
(Backward Defect indication)
RX : The BDI bit in the PM overhead field (byte 3, bit 5) is “1” for at least
5 consecutive frames.
TX : Generates a “1” in the BDI (byte 3, bit 5) of the PM overhead field
continuously.

BSD (Backward Signal Degrade)
RX
: The FTFL byte 128 is “00000010”.
TX : Generates a “00000010” pattern in the FTFL Byte 128 continuously.

BSF
(Backward Signal Fail)
RX : The FTFL byte 128 is “00000001”.
TX
: Generates a “00000001” pattern in the FTFL Byte 128 continuously.

FSD (Forward Signal Degrade)
RX
: The FTFL byte 0 is “00000010”
TX : Generates a “00000010” pattern in the FTFL Byte 0 continuously.