Promax CABLE RANGER, Руководство пользователя

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April 2018 30 Chapter 3: MEASUREMENT
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Screen Description
Figure 15.
1 It shows values obtained during test.
„
PLR (Packet Loss Rate): It is the percentage of lost packets over total sent
packets.
„
R VALUE: It shows a number or score, that is used to quantitatively
express the subjective quality of speech in communications systems. Can
range from 1 (worst) to 100 (best).
„
MOS (Mean Opinion Score): It is a numerical indication of the perceived
quality of received media after compression and/or transmission. The
MOS is expressed as a single number in the range 1 (lowest quality) to 5
(highest quality).
2
Enter IP address to test and press send.
3 It shows minimum, average and maximum measurements of these
parameters:
„
Latency: It is the time delay due to transport or processing.
„
Jitter: It is time variation of latency inside the network.