Exfo RTU 310-310G IP Services Test Head Bedienungsanleitung Seite 324

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RFC 2544 Tabs
312 FTB-8500 Series and FTB-8120NGE/8130NGE
Latency
Latency
The objective of this test is to find the time required for the sent frame to go
through the device under test and return to the RTU-310/310G. Starting by
sending a stream of frames for the predefined duration (Test Time) and
throughput (% Util.) at a particular frame size (Frame Size), an identifying
dependent tag is included in one frame. The time at which this frame is
transmitted is recorded (timestamp A). When the tagged frames come
back, the time is recorded again (timestamp B) and the Latency result is:
timestamp B - timestamp A. The test is repeated for the defined number
of times (Nb. of Trials to average) and the average result is calculated.
The test is performed for each defined frame size.
Click TEST, RFC 2544, and Latency.
Note: Latency must be enabled from Global Configuration on page 296.
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