EXFO FTB-8510B Guia Del Usuario página 840

OTN Tabs
ODU RX
Alarm Analysis
ODU-LOFLOM (ODU - Loss of Frame Loss Of Multiframe): Indicates
that OOF is present for at least 3 ms. Available for ODU mux test case
on the ODU sub-layers only.
ODU-AIS (ODU - Alarm Indication Signal): Indicates that the STAT
information detected, PM byte 3, bits 6 to 8 is "111" for at least
3 consecutive frames.
ODU-OCI (ODU - Open Connection Indication): Indicates that the STAT
information detected, PM byte 3, bits 6 to 8 is "110" for at least 3
consecutive frames.
ODU-LCK (ODU - Lock): Indicates that the STAT information detected,
PM byte 3, bits 6 to 8 is "101" for at least 3 consecutive frames.
ODU-TIM (ODU - Trace Identification Mismatch): ODU-TIM is declared
when the received SAPI and/or DAPI do not math the expected SAPI
and/or DAPI. This alarm is only available when the Enable TIM SAPI
and/or DAPI check boxes are selected from ODU TTI/FTFL TX on
page 186.
ODU-BDI (ODU - Backward Defect indication): ODU-BDI is declared
when the BDI bit in the PM overhead field (byte 3, bit 5) is "1" for at
least 5 consecutive frames.
ODU-FSF (ODU - Forward Signal Fail): ODU-FSF is declared when the
received FTFL byte 0 is "00000001".
ODU-BSF (ODU - Backward Signal Fail): ODU-BSF is declared when
the received FTFL byte 128 is "00000001".
ODU-FSD (ODU - Forward Signal Degrade): ODU-FSD is declared
when the received FTFL byte 0 is "00000010"
ODU-BSD (ODU - Backward Signal Degrade): ODU-BSD is declared
when the received FTFL byte 128 is "00000010".
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