EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) User Manual
Page 324
Managing Results
316
FTB-5240S/5240BP
Managing WDM Test Results
³
Average OSNR (dB): indicates the sum of the entire OSNR of the
peaks detected in the current acquisition, divided by the total
number of peaks.
³
OSNR flatness (dB): is the difference between the maximum and
minimum OSNR values of the detected peaks, in dB.
³
Empty channel count: Select this option to obtain the number of
empty channels from the channel list in the Global Results tab. If
this option is not selected, it will not display the Pass/Fail verdict in
the Results tab for the empty channels.
6. Press OK to save the changes and close the window, or press Cancel to
exit without saving.
Press Restore Defaults to remove all the changes and apply the default
values.
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