four-wire circuit — Circuit with two pairs of conductors, one for outbound channels and the other for returning channels … IT glossary of terms, acronyms and abbreviations
four-wire circuit — A transmission system in which two half duplex circuits, consisting of two wires each, are combined to create one full duplex circuit … Dictionary of networking
Two-wire circuit — A two wire circuit is characterized by supporting transmission in two directions simultaneously, as opposed to four wire circuits, which have separate pairs for transmit and receive. In either case they are twisted pairs. Telephone lines are… … Wikipedia
Four-wire terminating set — A four wire terminating set is a balanced transformer used to perform a conversion between 4 wire and 2 wire operation in telecommunication systems.For example, a 4 wire circuit may, by means of a 4 wire terminating set, be connected to a 2 wire… … Wikipedia
circuit, four-wire — A circuit using two one way transmission paths that can be two carrier paths or two pairs (four wires) of metallic conductors … IT glossary of terms, acronyms and abbreviations
Circuit breaker — For other uses, see Circuit breaker (disambiguation). An air circuit breaker for low voltage (less than 1000 volts) power distribution switchgear … Wikipedia
Wire wrap — This article deals with electronics manufacturing and prototyping techniques, see Wire wrap jewellery for the jewellery related topic Wire wrap is a technique for constructing small numbers of complex electronics assemblies. It is an alternative… … Wikipedia
Circuit diagram — Comparison of pictorial and schematic styles of circuit diagrams … Wikipedia
Circuit theory — For the theory of monetary economics, see monetary circuit theory. Circuit theory is the theory of accomplishing work by means of routing matter through a loop.[citation needed] The types of matter used are: In electronic or electrical circuits:… … Wikipedia
Copper wire and cable — Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 proved to be another early boon for copper wire.[3] Today, despite competition from… … Wikipedia
