Remote disconnection and short-circuiting apparatus and method

Details Remote disconnection and short-circuiting apparatus and method Remote disconnection and short-circuiting apparatus and method

H - Electricity

04

M

379/2

H04M 3/28 (2006.01) H04B 3/02 (2006.01) H04M 3/30 (2006.01)

Patent

CA 1282883

ABSTRACT Apparatus for remote disconnection and short-circuiting of a pair of conductors, such as those comprising a telephone line, consists of a switching unit and a probe unit. The switching unit is capable of generating a tone and the tone may be sent down the pair of conductors, where the probe unit is used to identify the pair. The probe unit is also able to send bursts of a signal along the pair, upon receipt of which the switching unit switches sequentially from a first mode (when the tone is applied to the conductors) to a second-mode (where the conductors are disconnected) to a third mode (where the conductors are short circuit). The apparatus is useful in line fault location and telephone apparatus installation. 880411,!jcspe.008,teleabs.spe,

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