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Spectrum – EXFO FTB-610 Wideband Copper Test Module User Manual

Page 267

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Noise Tests

Copper Test

259

NEXT

Spectrum

Spectrum is a snapshot mode of operation similar to WB Attenuation. The
test makes one measurement of the near end crosstalk (NEXT) at fixed and
periodic frequencies, and then stops. The frequency steps depend on the
selected bandwidth selected in the Test Parameters.

To access the Spectrum page:
1.
From the Copper main menu Test Groups, select Noise test

.

2. From the Tests menu, select NEXT test to start the test.

3. Select the Spectrum tab.

The page allows you to view and set the following parameters:

Hookup Diagram button opens a Confirmation window displaying
how to connect your cables.

Edit Parameters button opens a new page that allows you to set the
test parameters.

Edit Thresholds button opens a new page that allows you to set the
Spectrum Mode Thresholds.