| 释义 |
signalstarting dialing 拨号启动信号 In semiautomatic or automatic working, a signal transmitted from the incoming end of a circuit, following the receipt of a seizing signal, to indicate that the necessary circuit conditions have been established for receiving the numerical routing information. 在半自动或自动工作过程中,在收到占机信号之后,由输入端电路发送的一种信号,它表示 接收数字路由信息的必要电路状态已经建立。 |