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EXFO FTB-880 - Page 341

EXFO FTB-880
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Test Results
NetBlazer 329
Alarms/Errors
C-FDI (Client Signal Fail - Forward Defect Indication)
RX: A CSF frame is received with CSF type equal to 001.The alarm is
cleared when no CSF (C-FDI) frames are received during an interval
equal to 3.5 times the CSF transmission period indicated in the last
received CSF (C-FDI) frame, or when a CSF frame is received with
Client Defect Clear Indication (C-DCI) information (CSF Type 011).
TX: Generates a CSF frame with CSF type equal to 001.
C-RDI (Client Signal Fail - Remote Defect Indication)
RX: A CSF frame is received with CSF type equal to 010. The alarm is
cleared when no CSF (C-RDI) frames are received during an interval
equal to 3.5 times the CSF transmission period indicated in the last
received CSF (C-RDI) frame, or when a CSF frame is received with
Client Defect Clear Indication (C-DCI) information (CSF Type 011).
TX: Generates a CSF frame with CSF type equal to 010.
C-DCI (Client Signal Fail - Defect Clear Indication)
TX: Generates a CSF frame with CSF type equal to 011.

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