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IEVref:704-04-17ID:
Language:enStatus: Standard
Term: four-wire circuit
Synonym1: 4-wire circuit
[Preferred]
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Definition: a telecommunication circuit that provides four-wire transmission

NOTE 1 – An example of a four-wire circuit is one formed from two pairs of metallic conductors arranged as two channels, one in each direction.

NOTE 2 – Certain types of four-wire circuit, such as frequency separation of go and return channels over the same pair, were formerly known as four-wire type circuits. The term "four-wire type circuit" is deprecated.


Publication date:1993-08
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