EXFO FTB-8100 Series Transport Blazer for FTB-500 - Manual (Page 304)

DSn Tabs
290 FTB-8100 Series Transport Blazer
FDL PRM RX
FDL PRM RX
Press TEST, DSn-PDH, and PRM (under DSn-PDH TX).
Note: FDL PRM RX is only available for DS1 interface with ESF framing when
Enable FDL from FDL TX/RX is enabled. For Dual RX test, FDL is only
available for the primary DS1 TX/RX port.
Performance Report Message
³
Circuit indicates the selected circuit type which can be CI to Network
or Network to CI.
³
PRM Bit Event Counts: Indicates the count of the detected valid PRM
bit events.
Statistics
Valid Count indicates the number of valid PRM messages received.
G1: CRC Error Event = 1 SE: Severely-Errored Framing Event ≥ 1
G2: 1 < CRC Error Event ≤ 5 FE: Frame Sync. Bit Error Event ≥ 1
G3: 5 < CRC Error Event ≤ 10 LV: Line Code Violation Event ≥ 1
G4: 10 < CRC Error Event ≤ 100 SL: Controlled Slip Event ≥ 1
G5: 100 < CRC Error Event ≤ 319 LB: Payload Loopback Activated
G6: CRC Error Event ≥ 320