Standard No.:	YD/T 2022-2009
English Name:	Technical requirements for time synchronization equipment
Chinese Name:	时间同步设备技术要求
Chinese Classification:	M33    Optical communication equipment
Professional Classification:	YD    Professional Standard - Telecommunication
ICS Classification:	33.040.20 33.040.20    Transmission systems 33.040.20
Issued by:	Ministry of Industry and Information Technology
Issued on:	2009-12-11
Implemented on:	2010-1-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	210.00
Delivery:	via email in 1~3 business day

本标准规定了时间同步设备的定义、功能结构、功能要求、性能要求、协议安全要求、物理接口要求、可靠性及环境要求。
本标准适用于为各种通信设备提供时间同步服务的独立型时间同步设备，部分性能要求也适用于依附于其它通信设备且需用于时间分配的时间同步功能模块。