Standard No.:	YD/T 1267-2003
English Name:	Technical specification for synchronization netwrok based on SDH transport network
Chinese Name:	基于SDH传送网的同步网技术要求
Chinese Classification:	M15    Communication network performance index and testing
Professional Classification:	YD    Professional Standard - Telecommunication
ICS Classification:	33.040.20 33.040.20    Transmission systems 33.040.20
Issued by:	Ministry of Information Industry
Issued on:	2003-06-05
Implemented on:	2003-6-5
Status:	valid
Language:	English
File Format:	PDF
Word Count:	27500 words
Price(USD):	820.00
Delivery:	via email in 1~5 business day

本标准规定了同步网的等级结构及结构、同步分配、同步接口要求、漂动指标及其分配、网同步的安全可靠性要求、SDH传输系统传送定时的要求、同步网节点时钟的要求、各种通信设备（包括移动通信基站）的同步要求和维护管理要求。本标准适用于支撑电话和数据等基本业务，也适用于传真、图像和无线等多种业务。