Fast cable tester

Details Fast cable tester Fast cable tester

2008-02-21

2010-10-05

Nguyen, Hoai-An D (Department: 2831)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S534000, C324S539000

Reexamination Certificate

active

07808247

ABSTRACT:
A physical layer (PHY) device of a network device includes a signal generator module that generates a first test signal and that transmits the first test signal on a first conductor of a first pair of a cable at time T1, an analog-to-digital converter (ADC) module that has an input that communicates with a second conductor of the cable and an output that generates first S outputs at times (T1+(S*t)), where S is greater than 1, and t>0, and a control module that determines a distance from the PHY to one of an open-circuit and short-circuit of the first pair based on the first S outputs.

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