| Four-wire Circuit |
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Information AboutFour-wire Circuit |
| CATEGORIES ABOUT FOUR-WIRE CIRCUIT | |
| communication circuits | |
| telephony | |
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The four-wire circuit gets its name from the fact that, historically, two Conductors were used in each of two directions for full- Duplex operation. The name may still be applied, ''e.g.'' to a Communications Link supported by Optical Fiber s, even though only one fiber is required for Transmission in each direction. ''Contrast with'' Two-wire Circuit . |
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