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Latency measurements, Buffer-to-buffer credit – EXFO RTU 310-310G IP Services Test Head User Manual

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Traffic Analyzer Tabs

236

FTB-8500 Series and FTB-8120NGE/8130NGE

FC Latency

Latency Measurements

Round Trip Delay

Maximum: Indicates the maximum time taken for a bit to travel from
the RTU-310/310G transmitter back to its receiver after crossing a
far-end loopback test set.

Minimum: Indicates the minimum time taken for a bit to travel from
the RTU-310/310G transmitter back to its receiver after crossing a
far-end loopback test set.

Average: Indicates the average time taken for a bit to travel from the
RTU-310/310G transmitter back to its receiver after crossing a far-end
loopback test set.

Last: Indicates the last time taken for a bit to travel from the
RTU-310/310G transmitter back to its receiver after crossing a far-end
loopback test set.

Samples: Indicates the number of samples used for the Round Trip
Delay test.

Unit: Allows the selection of the unit for the Latency measurement
values. Choices are s, ms, and μs. The default setting is ms.

Buffer-to-Buffer Credit

Estimated BB_Credit: Estimated BB_Credit indicates the estimated
number of frame buffers that the remote port has available to receive
frames based on the round trip latency measurements.