GB 12048-1989 Requirements for clock and synchronization equipment in digital networks
time:
2024-08-08 09:44:13
- GB 12048-1989
- in force
Standard ID:
GB 12048-1989
Standard Name:
Requirements for clock and synchronization equipment in digital networks
Chinese Name:
数字网内时钟和同步设备的进网要求
Standard category:
National Standard (GB)
-
Date of Release:
1989-01-02 -
Date of Implementation:
1990-07-01
Standard ICS number:
Telecommunications, audio and video technology>>Telecommunications systems>>33.040.40 Data communications networksChina Standard Classification Number:
Communications, Broadcasting >> Communications Network >> M13 Communications Network Structure
Release date:
1989-12-29Review date:
2004-10-14Drafting Organization:
Telecommunications Transmission Institute of the Ministry of Posts and TelecommunicationsFocal point Organization:
Ministry of Information Industry (Telecommunications)Publishing Department:
State Bureau of Technical SupervisionCompetent Authority:
Ministry of Information Industry (Telecommunications)
Description (Translated English) / downloadSkip to download
Summary:
This standard specifies the synchronization method used by my country's digital synchronization network, the classification of digital synchronization network, the performance of clocks at each level, interfaces and maintainability performance. This standard is applicable to the planning and design of domestic public digital synchronization network and the research, production and introduction of digital synchronization clocks and synchronization equipment. GB 12048-1989 Requirements for the entry of clocks and synchronization equipment in digital networks GB12048-1989 standard download decompression password: www.bzxz.net
- Recommended standards
- HY/T 147.4-2013 code of practice for marine monitoring technology
- HG/T 2913-1997 Sizes of loose-leaf films for artistic photography
- HG/T 2600-1994 Rules for the quality classification of liquefied petroleum gas tank trucks
- YC/T 174-2003 Determination of calcium in tobacco and tobacco products - Atomic absorption method
- LS/T 1703-2004 Classification and codes of grain information—Classification and codes of grain and processing product
- MT/T 682-1997 Series and parameters of electronic control equipment for cantilevered tunnel boring machines
- SY/T 5221-1991 Basic environmental test methods for petroleum exploration and development instruments Test B: Impact test
- JB/T 8825.1-1998 Whitworth thread taps
- GB/T 38565-2020 Classification and code of emergency supplies
- GB/T 2562-1981 Determination of benzene insoluble matter in montan wax
- GB/T 8565.3-1988 Information processing Coded character set for text communication Part 3: Control functions for page imaging formats
- JC/T 402-2006 Technical condition of paint coating and antirust for cement machinery
- GB 18394-2001 Moisture Limits for Livestock and Poultry Meat
- GB/T 18028-2000 Mathematical,physical and chemical symbols of Chinese braille
- GB 12672-1990 Acrylonitrile-butadiene-styrene (ABS) resin
Please remember: "bzxz.net" is the combination of the first letters of the Chinese pinyin of the four Chinese characters "standard download" and the international top-level domain name ".net". ©2024 Standard download websitewww.bzxz.net Mail：[email protected]