Interfacing circuits status detection arrangement in a...

Details Interfacing circuits status detection arrangement in a... Interfacing circuits status detection arrangement in a...

H - Electricity

04

Q

344/49

H04Q 3/54 (2006.01) H04Q 3/62 (2006.01)

Patent

CA 1115816

Abstract of the Disclosure There is provided a telephone exchange including a switching network, a plurality of interface circuits whose corresponding transmit/receive paths are connected to the switching network, a data generator connected to the interface circuits to sequentially generate state information indicative of the states of the interface circuits, and a control circuit for controlling the switching network according to an output data from the data generator. The data generator generates state- variation information when the state of the interface circuit is varied and the control circuit is responsive to the state-variation information from the data genera- tor to cause the switching network to be set to a state corresponding to the above-mentioned state information.

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