EXFO FTB-5700 Single Ended Dispersion Analyzer for FTB-500 - Manual (Page 72)

Troubleshooting
66 FTB-5700
Solving Common Problems
Unable to find a reflective
fiber end. Please verify that
the fiber under test is
properly connected and
terminated by a UPC
connector.
Too much loss in the fiber
under test
³
Clean the fiber end.
³
Add a reflective
termination at the end
of the fiber.
Optical power is too low. Too much loss in the fiber
under test.
³
Clean the fiber end.
³
Add a reflective
termination at the end
of the fiber.
Unable to find a valid
wavelength range.
³
Too much loss in the
fiber under test.
³
The wavelength range is
too large.
³
Clean the fiber end.
³
Add a reflective
termination at the end
of the fiber.
³
Reduce the wavelength
range in the Acquisition
tab of the Setup
window, or select
Default as the
wavelength range value.
Message Possible cause Solution