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EXFO FTB-5600 Distributed PMD Analyzer User Manual

Page 132

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Optimizing Measurements

126

FTB-5600

Use an Appropriate Residual PMD for the Acquisition

The figure below shows an example of a link having a low PMD measured
with bad PMD scale and high PMD resolution.

A better setting for this acquisition would have been a PMD scale of 6 ps
and a residual PMD value of 133 fs.

Resulting

PMD

curve