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论述了在电信网络不断扩大,新业务不断发展情况下,同步网作为业务支撑网的重要性。介绍了数字同步网的概念和组织结构,特别是本地数字同步网的结构和工作原理,介绍了同步监控管理系统的维护和管理功能及各业务网同步的原则和方法等。
Discusses the importance of the synchronous network as the business support network in the situation of the continuous expansion of telecommunication network and the continuous development of new services. The concept and organizational structure of digital synchronization network are introduced, especially the structure and working principle of local digital synchronization network. The maintenance and management functions of synchronous monitoring management system and the principles and methods of synchronization of service networks are introduced.