| 释义 |
loop 1. An electrical loop, i.e. closed electrical circuit. The two conductors of an electrical loop compose one wire carrying the go signal and the other carrying the electrical return signal.The circuit is closed and the loop is completed when the conductors are connected. 2. A local loop. In the broader contemporary sense, any access circuit between the customer premises and the edge of the telco network, or that of any other service provider, is termed a local loop, whether it is electrically-based or employs optical or radio energy. See also local loop. 3. A physical configuration used in residential or small business inside wire installations. Such a configuration connects multiple voice telephone jacks to one or two pairs of wires in a continuous, shared electrical loop. See also home run. 74570c12.qxd 9/11/07 12:25 PM Page 294 |