Testing facility for telephone conference bridge

Details Testing facility for telephone conference bridge Testing facility for telephone conference bridge

H - Electricity

04

M

379/2

H04M 3/08 (2006.01) H04M 5/00 (2006.01)

Patent

CA 1175171

ABSTRACT OF THE DISCLOSURE A passive conference bridge is coupled to telephone lines through pairs of panel mounted plug-in jacks to establish conference call connections with balanced input/output impedances. Test equipment is plugged into the jacks for connection to the bridge circuit and/or telephone lines. The telephone lines are disconnected from a leg of the bridge circuit through one of the jacks of each pair and a terminating resistor is thereby inserted into the disconnected bridge leg.

384185

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