Standard No.:	GB 12048-1989
English Name:	Requirements for clock and synchronization equipment used in the digital network
Chinese Name:	数字网内时钟和同步设备的进网要求
Chinese Classification:	M13    Communication network architecture
Professional Classification:	GB    National Standard
ICS Classification:	33.040.40 33.040.40    Data communication networks 33.040.40
Issued by:	State Technical Supervision Bureau
Issued on:	1989-01-02
Implemented on:	1990-7-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.00
Delivery:	via email in 1~3 business day

本标准规定了我国数字同步网所采用的同步方式、数字同步网的分级、各级时钟性能、接口以及可维护性性能。本标准适用于国内公用数字同步网的规划、设计以及数字同步时钟和同步设备的研制、生产和设备引进。