Method and system for distance measurements

Details Method and system for distance measurements Method and system for distance measurements

2005-10-06

2010-02-16

Tieu, Binh K (Department: 2614)

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Testing of subscriber loop or terminal

C379S022020, C379S022060, C379S022070, C379S027030, C379S029010

Reexamination Certificate

active

07664232

ABSTRACT:
A method and a system for impairment line testing are provided. The method includes electrically connecting a first terminal of a measurement device, which may be a time domain reflectometer, to both wires of a twisted wire pair of a telephone line, which interconnects a telephone line card with a subscriber. The second terminal of the measurement device is electrically connected to a common reference, which may be the ground reference. Then, the method includes performing an impairment testing on the telephone line from the measurement device toward the subscriber.

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