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从开放式传输网络(OTN)的传输环路故障保护原理出发,结合地铁的实际情况,论述OTN传输系统的构成;分析端站光纤两种连接方式的可靠性,提出提高可靠性的建议。
Based on the principle of transmission loop fault protection in open transport network (OTN), the structure of OTN transmission system is discussed with the actual situation of subway. The reliability of two connection modes of optical fiber in terminal station is analyzed and some suggestions to improve reliability are put forward.