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Local Area High Speed Networks by Dr. Sidnie Feit

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Testing Fiber Optic Cable

An understanding fiber optic cabling of fiber optic cable testing requires more background information than can be included in this book. This section provides a brief discussion of a few of the factors that are involved in testing fiber optic cable.

First of all, there is one boon. Crosstalk, a worrisome problem for twisted-pair media, does not occur for fiber optic media.

Some of the items that must be tested for fiber optic media include:

  • Source optical power— If the source power is inadequate, information transfer could be error prone or could fail.

  • Signal attenuation— Most attenuation is caused by scattering of light due to bouncing off the cladding or bouncing off atoms in the glass. Some attenuation is ...

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