EXFO FTB-8100 Series Transport Blazer for FTB-500 - Manual (Page 466)

Next-Generation Tabs
452 FTB-8100 Series Transport Blazer
GFP Channel RX
Alarm Analysis
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LOCS (CSF-Loss of Client Signal): A LOCS alarm is declared when CMF
frame is received while UPI is set to “0000 0001”.
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LOCCS (CSF-Loss of Client Character Synchronization): The LOCCS
alarm is declared when CMP frame is received with an UPI set to
“0000 0010”.
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FDI (Forward Defect Indication): The FDI alarm is declared when CMF
frame is received with an UPI set to “0000 0100”. Not available with
GFP-T.
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RDI (Reverse Defect Indication): The RDI alarm is declared when CMF
frame is received with an UPI set to “0000 0101”. Not available with
GFP-T.
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DCI (Defect Clear Indication): The DCI alarm is declared when CMF
frame is received with an UPI set to “0000 0011”. Not available with
GFP-T.
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Other CMF (Client Management Frame): Other CMF alarms other than
the ones described above.