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1008 FTBx-88000 Series
QoS Metrics (eCPRI BERT)
QoS Metrics (eCPRI BERT)
Port direction buttons are available for dual port topology in
One-Way P<m> P<n> measurement mode.
Local/Remote direction buttons are available for single/dual port
topology in One-Way measurement mode.
Note: Throughput (including RX Frame Count, TX Rate, and TX Frame Count),
Jitter, Latency, and Frame Loos/Out-of-Sequence are available when
enabled (see QoS Thresholds) but their availability depend on the selected
measurement mode, measurement role, and direction.
Throughput, Jitter, and Latency meters display respectively the
measured Throughput, Jitter, and Latency.
Note: The green region defined by the configured threshold corresponds to a
PASS verdict while the red regions corresponds to a FAIL verdict. The
Pass/Fail verdict is only displayed when enabled (see QoS Thresholds on
page 259).
Jitter is the delay variation measured
1
on all valid frames
2
received.
Current, Average, Minimum, Maximum, and Estimate delay values
are reported in µs per direction when applicable.
Latency is measured
1
on all valid frames
2
received. Current, Average,
Minimum, and Maximum latency (delay) are reported.
For One-Way and One-Way P<m> P<n> measurement modes,
indicates the measured one-way latency (delay) in µs per direction
when applicable (available on the sender side).
For Round-Trip measurement mode, indicates the measured
round-trip latency (delay) in µs (available on the sender side).
1. For the
Current
value,
Not measurable
is displayed when no delay has been measured in the last second.
2. Frames with One-Way Delay (OWD) messages and no FCS and UDP Checksum errors.
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