论文部分内容阅读
介绍了用户环路接入网的概念、结构及接口的演变等。对Ｖ５接口和采用Ｖ５接口及光纤接入网的方式作了具体的论述和介绍。
Introduced the concept of user loop access network, the structure and interface evolution. V5 interface and the use of V5 interface and optical access network made a specific discussion and introduction.