Test Results
Power Blazer 437
Alarms/Errors Overview
OPUx and OPUk (OPUflex)
Note: OPUx is displayed under ODUx alarms/errors group. OPUk (OPUflex) is
displayed under ODUk alarms/errors group.
Alarms
AIS (Alarm Indication Signal) is only available on the OPU client signal
(designated as LO in the standard).
RX: A PRBS11 pattern is received indicating a failure of the client
signal.
TX: Generates a PRBS11 pattern.
CSF (Client Signal Fail) is only available on the OPU client signal
(designated as LO in the standard).
RX: Bit 1 of the OPUk PSI[2] byte is set to “1” indicating a failure of the
client signal mapped into the OPUk of the OTN signal.
TX: Sets the bit 1 of the OPUk PSI[2] byte to “1”.
LOOMFI (Loss of OPU Multi-Frame Identifier) is only available for
OPU4 of a mapped signal.
RX: OOMFI is present for at least 3 ms.
MSIM (Multiplex Structure Identifier Mismatch) is available for the high
oder path of a multiplexed test case only.
RX: The RX Payload Structure Identifier (PSI) information do not match
the expected HO Multiplex Structure Identifier defined.
TX: Corrupts the content of the PSI
For PT20: Bytes 2 and 3 for ODU0 in ODU1, bytes 2 to 5 for ODU1 in
ODU2, and bytes 2 to 17 for ODU2 in ODU3. Not applicable for ODU4.
For PT21: Bytes 2 to 9 for ODU1 in ODU2, bytes 2 to 33 for ODU2 in
ODU3, and bytes 2 to 81 for ODU3 in ODU4. Not applicable for ODU0.
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