EXFO FTB/IQS-88000 Series Power Blazer for FTB-2/2Pro/500/IQS-600 - Manual (Page 368)

Test Results
356 FTB/IQS-88000 Series
Service Performance
Note: For the Current value, 0 is displayed when no RX rate has been measured
in the last second.
Note: Delay variation measurements smaller than 15 μs will be discarded, not
used for the sampling process, and “< 0.015” is displayed as the minimum
value. For the Current value, Not measurable is displayed when no delay
has been measured in the last second.
Errors
For Dual Test Set, errors are reported for both local to remote (L -> R) and
remote to local (R -> L). For Dual Port topology, errors are reported for
both P1 to P2 (P1->P2) and P2 to P1 (P2->P1).

Frame Loss indicates that a sequence number is missing in the
received frames. The pass/fail verdict when enabled reports only the
verdict when it is fail. Seconds, Count, and Rate values are reported.

Out-of-Sequence indicates that the received frame sequence number
is either smaller than the expected frame sequence number or is a
duplicate number. The Out-Of-Sequence will not be considered in the
global verdict. Seconds, Count, and Rate values are reported.
RX Frame Count
The RX Frame Count indicates the number of frames received matching
the selected service ID. For Dual Test Set, the count is reported for both
local to remote (L -> R) and remote to local (R -> L). For Dual Port
topology, the count is reported for both P1 to P2 (P1->P2) and P2 to P1
(P2->P1).