EXFO FTB-1, User Manual

Page: 422 / 675

Test Results
410
FTB-700G/800 Series
Summary (FC BERT)
Round-Trip Latency

Round Trip Latency (ms) is measured for each local and remote port.
Current
,
Average
,
Minimum
, and
Maximum
indicates respectively the
current, average, minimum, and the maximum round trip latency from
the local to the remote port in the last one second. The pass/fail verdict
is also displayed for the maximum round trip latency.
Samples
indicates the number of samples used for the round trip
latency.

Estimated BB_Credit
indicates the estimated number of packets that
can be transmitted on the optical line at the same time.

Round-Trip Latency Threshold (ms)
sets the round trip latency
threshold: 0.015 to 8000 ms (default is 15 ). This setting is only
available when both
Latency Tags
and
Pass/Fail Verdict
check boxes
are selected (refer to Latency Tag Insertion on page 132).
Traffic

Line Utilization (%) indicates the current percentage of the
transmitting/receiving line rate utilization.

Frame Rate (frame/s) indicates the current transmitted/received
number of frames (including frame with error and aborted frames) in
frame per second.

Byte Count
indicates the total number of transmitted/received bytes
including the frame delimiters.

Frame Count
indicates the total number of transmitted/received
frames including link service control frames.