接入网的新接口──V_5

V_5──NeW Interface for Support of Access Network

本文首先介绍接入网的概念和作为本地交换机新型数字用户线接口的ｖ＿５的提出背景，接着从业务的观点描述了ｖ＿５接口的体系和功能，然后分别说明Ｖ＿５接口的第一、二、三层特性和规程，最后简述通过电信管理网（ＴＭＮ）所实施的对Ｖ＿５接口的操作管理维护功能。

This paper introduces a concept of access network and background presented V_5 interface as anew digital subscriber line interface of local exchange first.The architecture and the functions of V_5 interfacefor support of service described.This paper also describes features and protocols of layer l～3of V_5 interface. Lastly,OAM function of V_5 interface based TMV is introduced.