A new ECG teletransmission system based on embedded modem and public switched telephone network (PSTN) is presented, which consists of family unit, PSTN and center workstation.
The characteristic of power system protective relaying signal is introduced, all kinds of its teletransmission form are analysed.
介绍了电力系统保护信号的特点及其传输方式,并分析了各种传输方式的利弊。
The teletransmission will be deemed the operative reimbursement authorization or reimbursement amendment, and any subsequent mail confirmation shall be disregarded.