Exfo FOT-930 Multifunction Loss Tester Manual de usuario descargar pdf (Pagina 53)

Measuring Optical Return Loss

Multifunction Loss Tester 45

Performing and Saving ORL Measurements

7. Perform an ORL zero measurement (see Performing ORL Reference

and Setting ORL Zero Value on page 42).

8. Terminate the fiber as close as possible after the component under

test. Wrap it at least 10 turns around a mandrel or small diameter tool,

adding turns until the reading stabilizes.

Note: Avoid bending the fiber between the unit and the termination point.

The displayed value represents the ORL of the component under test.

9. Save the displayed values, if desired.

9a. Change the displayed cable and fiber

names as needed.

9b. Press Store (F1/F2 key) to save the

value along with wavelength, date and

time. The fiber name will increment

automatically, ready to save the next value.

For details about viewing results, see Managing Test Results on

page 55.

10. Repeat procedure for other wavelengths if necessary.

Te r mi n ati onComponent

under test

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 110 111

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Exfo FOT-930 Multifunction Loss Tester Manual de usuario Pagina 53