EXFO FTB-8510B Guia Del Usuario página 1100

Next-Generation Tabs
GFP Frames RX
Mismatch
EXI (Extension Header Identifier): Indicates the number of frames with
EXI field not matching the expected EXI.
UPI (User Payload Identifier): Indicates the number of frames UPI field
not matching the expected UPI.
Alarm Analysis
LFD (Loss of Frame Delineation): Indicates that GFP engine is out of
synchronization.
Note: Refer to Alarm/Error Measurements on page 47 for H/C LEDs and Seconds
information.
Error Analysis
cHEC Correctable: Indicates that only one bit error has been detected
on Core header (PLI and cHEC).
cHEC Uncorrectable: Indicates that two or more bit errors have been
detected on Core header (cHEC and PLI).
Note: Refer to Alarm/Error Measurements on page 47 for H/C LEDs, Seconds,
Count, and Rate information.
450
FTB-8100 Series Transport Blazer