| 摘要 |
A multiple-wire cable system for networks in which, in a length of multiple-wire cable, a network uses only some of the wires and the cable is provided with an adaptor providing a connection between a second network and the unused wires of the cable. The adaptor may comprise a plug for the cable system 20C and a pair of sockets 20A, 20B each for input to the cable from a network. Connections may be programmed by removable printed circuit boards 20E, 20D. An adaptor may be provided at each end of a cable. <IMAGE>
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