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Fiber-Optic Cable Terms

FEXT (Far End Crosstalk) crosstalk that occurs at the end opposite the location of the disturbed pair's receiver;Normally , FEXT is only important in shrt links or full duplex transmission.


NEXT(Near End Crosstalk) crosstalk that occurs at the same end as the disturbed pair's receiver;normally ,this is the largest contributor of noise because the disturbing pair's transmitted signal is strongest at this point.

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