Exfo FTB-800 Series for FTB-1 Manual de usuario Pagina 410

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Test Functions
400 FTB-700G/800 Series
FDL - Performance Report Message
Performance Information table, available when the Report Content
button is selected, reports the time t0, t0-1, t0-2, and t0-3 for each PRM.
Time
T0 represents the valid PRM message received in the last second of
measurement (bytes 5 and 6).
T0-1 represents the message one PRM ago (bytes 7 and 8).
T0-2 represents the message two PRM ago (bytes 9 and 10).
T0-3 represents the message three PRM ago (bytes 11 and 12).
PRM
G3: 5 < CRC Error Event 10
LV: Line Code Violation Event 1
G4: 10 < CRC Error Event 100
U1: Under study for synchronization
U2: Under study for synchronization
G5: 100 < CRC Error Event 319
SL: Controlled Slip Event 1
G6: CRC Error Event 320
FE: Frame Sync. Bit Error Event 1
SE: Severely-Errored Framing Event 1
LB: Payload Loopback Activated
G1: CRC Error Event = 1
R: Reserved
G2: 1 < CRC Error Event 5
Nm and Nl: One-second report modulo 4 counter.
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