Based upon existing optic fiber cable telecommunication, this article puts forward using wavelength division multiplex technology for remote image transmission without adding communication line.
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。
Multiplex: The transmission of multiple signals over a single communication line or computer channel.
多路：在一个信息通道上或电脑通路上同时传送多个信号的情况。
SDH is a kind of comprehensive information network Technique which managed by uniform TMN together with multiplex, line transmission and cross collection.
SDH是一种将复接、线路传输及交叉连接功能结合在一起并由统一网管系统进行管理操作的综合信息网络技术。
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