This object indicates the current defect status of the ODU
layer on an OTN interface.
noDefect(0): No Defect. This bit will be set when none of
the following defect bits are set.
oci(1): OCI (Open Connection Indication). This bit
will be set when OCI defect is present.
lck(2): LCK (Locked). This bit will be set when OCI
defect is present.
tim(3): TIM (Trace Identifier Mismatch). This bit
will be set when TIM defect is present.
bdi(4): BDI (Backward Defect Indication). This bit
will be set when BDI defect is present.
ais(5): AIS (Alarm Indication Signal). This bit will
be set when AIS defect is present.