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简述了广西ＳＤＨ长途同步传输网产生的技术背景、概念与特点、总体结构。文章从网络结构、设备配置、网络管理系统、公务系统网同步系统等五个方面论述了广西ＳＤＨ南环与北环网的总体结构
The technical background, concept, characteristic and overall structure of Guangxi SDH long-distance synchronous transmission network are briefly described. This article discusses the general structure of SDH South Ring and North Ring network in Guangxi from five aspects of network structure, equipment configuration, network management system and official system network synchronization system