确定复用线路的连接方法。
文章提出在原有光纤光缆电信传输业务基础上，不增加通信线路，利用光纤波分复用技术实现局、矿远程图象传输。
Based upon existing optic fiber cable telecommunication, this article puts forward using wavelength division multiplex technology for remote image transmission without adding communication line.
本文以at89c 55 WD单片机为控制核心，采用线路复用技术，本着基站以市电供电为主，后备电源供电为辅的运行原则进行远程供电。
The microcontroller of AT89C55WD is the center of system. The paper adopts multiplexing technique and the commercial power plays the role of major supply, with the standby power only as a assistant.
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