现行 YD/T 1017-2011
同步数字体系(SDH)网络节点接口 同步数字体系(SDH)网络节点接口 Network node interface for the synchronous digital hierarchy (SDH)
发布日期:2011-05-18
实施日期:2011-06-01
分类信息
研制信息

归口单位: 中国通信标准化协会

起草单位: 大唐电信科技产业集团

起草人: 何永琪

标准简介

本标准规定了同步数字体系(SDH)网络节点接口(NNI)的技术要求,包括:STM-N 信号的比特率、STM-N 信号的帧结构、用户信号(例如:PDH、ATM和以太网)单元到STM-N帧的映射和复用格式,以及在同步数字网络(包括B-ISDN)的NNI处STM-N帧的各种开销的定义和功能的实现。本标准适用于公用电信网中以光纤为基本手段的传输网,包括省际干线、省内干线和中继网。接入网、专用电信网以及无线传输网也可参照使用

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节点同步接口体系数字

最后更新时间 2025-09-02