光传输设备就是把各种各样的信号转换成光信号在光纤上传输的设备，因此现代光传输设备都要用到光纤。
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本文结合济南市有线电视HFC双向网络的实际情况，论述了基于HMS标准的光传输设备网管系统。
This paper shows us an optical transmission devices network management system based on HMS standard according to situation of Jinan CATV bi-direction HFC network.
介绍了电力通信系统SDH光传输设备日常运行维护工作的目的及意义、维护工作的分类及内容、日常维护中应注意的一些问题。
The aim and significance of daily maintenance in operation of SDH optical transmission equipment for the electric power communication systems, the classification and contents of.
提出了一种采用近距离激光无线通信系统来代替导电环进行光测设备机上、机下部分的信号传输，并以单路通信实验对该方案进行了验证。
A kind of system that replaces conductive ring with the wireless communication by laser in short distance is carried out to transmit signals. The scheme is verified by single channel experiment.
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