基于铁路GPON系统保护机制的应用研究  

Application of Protection Mechanism Based on Railway GPON System

作　　者：杨柳青青 Yang Liuqingqing(Guangzhou Communication Division,China Railway Guangzhou Group Co.,Ltd.,Guangzhou 510062,China)

机构地区：[1]中国铁路广州局集团有限公司广州通信段,广州510062

出　　处：《铁路通信信号工程技术》2023年第6期50-54,76,共6页Railway Signalling & Communication Engineering

摘　　要：为满足铁路GPON系统承载业务种类的日趋增长需求,结合铁路接入网的高带宽、高可靠性及高安全性的要求,介绍GPON系统的保护机制,并对各种保护方案的适用场景提出建议,重点针对京广铁路业务承载的实际情况,研究在不同场景下不同保护机制的应用,在节省建设成本的前提下,提高铁路GPON系统的安全可靠性。In order to meet the demand for increasing types of railway GPON system bearer services,combined with the high bandwidth,high reliability and high safety requirements of railway access network,this paper mainly introduces the protection mechanisms of GPON system and puts forward suggestions on the applicable scenarios of various protection schemes.Focusing on the actual situation of Beijing-Guangzhou railway service carrying,the application of diff erent protection mechanisms in diff erent scenarios is studied,so as to improve the safety and reliability of railway GPON systems under the premise of saving construction costs.

关 键 词：GPON 保护机制 可靠性 

分 类 号：U285.5[交通运输工程—交通信息工程及控制]