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随着固网运营商的外部环境、用户需求的不断变化以及新技术的不断发展,用户对电信服务的需求,已远不止于传统的语音业务,使固网运营商不得不改造现有作为第一公里的双绞线铜缆接入网络,不断使光纤向用户延伸,缩短铜线长度,才能满足日益增长的带宽需求。因此,必须实施光进铜退的工程,逐步推进网络的演进,并最终实现FTTH。
With the fixed network operators external environment, the changing needs of users and the continuous development of new technologies, the demand for telecom services by users has gone far beyond the traditional voice services, enabling fixed-line operators to transform existing networks as the One kilometer of twisted pair copper access network, continue to make fiber to the user extension, shorten the copper length, in order to meet the growing bandwidth needs. Therefore, we must implement the project of returning light to copper, gradually promote the evolution of the network, and finally achieve FTTH.