| 释义 |
intermediate distributing frame 中间配线架 1. A distributing frame providing for the termination and crossconnection of units of exchange equipment. 为交换设备之间的端接和交叉连接提供的一种配线架。 2. In a local center office, a distributing frame that crossconnect subscriber lines to the subscriber line circuit. (In a private branch exchange, its purpose is similar). 局部中心局中的一种配线架,主要用途是将用户终端线与用户终端线电路交叉地连接 起来(类似于专用的交换机)。 |