The maintenance of optical fiber cable line is directly related to the long term operation of optical communications system and it is very important to conduct proper maintenance on optical cable.The author discussed how to ensure the safety and quality of railway communication optical fiber cable line by summarizing maintenance experience over the past.%光缆线路的维护直接关系到光通信系统能否长期正常运行,做好光缆线路维护工作十分重要,为此总结以往维护经验,对如何保护铁路通信光缆线路的安全和质量进行探讨。
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