Telecommunications wiring test apparatus and method

Details Telecommunications wiring test apparatus and method Telecommunications wiring test apparatus and method

G - Physics

01

R

340/73, 324/58.0

G01R 31/02 (2006.01) H04M 3/24 (2006.01) H04M 3/28 (2006.01)

Patent

CA 1315858

TELECOMMUNICATIONS WIRING TEST APPARATUS AND METHOD Abstract of the Disclosure Telecommunications (e.g. ISDN) wiring is tested by sequentially supplying to each wire at a first location a pulse sequence identifying that wire while grounding other wires, and detecting pulses on the wires at a second location while simultaneously providing a return path connection for the pulses to the other wires. The return path connection is provided by connecting between each wire and a local ground at the second location a resistor and a diode poled to be reverse biassed by pulses on the wire. The detected pulses are counted and the result used to drive a LED (light emitting diode) display comprising N green LEDs indicating correct wiring and N(N-1) red LEDs indicating incorrect connections, the LEDs being arranged in an N by N array with the green LEDs along one diagonal. - i -

550735

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