Exfo FTB-5700 Single Ended Dispersion Analyzer for FTB- Manual de usuario descargar pdf (Pagina 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

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 93 94

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Exfo FTB-5700 Single Ended Dispersion Analyzer for FTB- Manual de usuario Pagina 72