EXFO MAX-800 Series, User Manual

Page: 287 / 495

Test Results
MaxTester
279
Streams - Latency
Streams - Latency
From the
Test
menu, tap
Results
,
Streams
, and the
Latency
tab.
Note:
For Dual Port topology select the port to be displayed.

Stream
: Indicates the stream identification number.

Latency (ms) is measured for each stream on all valid frames (valid
Latency tag, expected originator identifier value, and no FCS error)
received.
Current , Average , Minimum , and Maximum round-trip
latency (delay) are reported.
Note:
Latency statistics are only available in loopback test topology.
Note:
Delay measurements smaller than 1 μ s will be discarded, not used for the
sampling process, and < 0.001 will be displayed. For the Current value,
Not measurable is displayed when no delay has been measured in the last
second.

Thresholds
button allows setting the pass/fail thresholds (refer to
QoS
Metrics on page 190).