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
- GB/T 50315-2000 Technical standard for on-site inspection of masonry works
- GB 5083-1999 General principles for safety and sanitation design of production equipment
- GB 15992-1995 Plague control and its assessment principles and methods
- SY/T 5281-2000 Bottle test method for the demulsification performance of crude oil demulsifiers
- JB/T 9883-1999 Test of column accuracy of modular machine tools
- QB 1687-1993 Concentrated apple juice
- QB/T 1702.2-1993 Scraper elevator
- QB/T 2574-2002 Coating scraper
- GB/T 15551-1995 Mulberry silk fabrics
- GB/T 590-1993 Marine flange cast iron stop valve
- NY 5160-2002 Pollution-free food rainbow trout
- GB 11631-1989 Technical requirements for the manufacture of pressure-resistant structures of submersibles and underwater devices
- HG/T 20565-1994 Calculation rules for railway loading and unloading lines, loading and unloading spaces and storage lines within chemical enterprises
- JB/T 8539-1997 Plastic extrusion blow molding machine
- JJF 1103-2003 Evaluation for Computerized Data Acquisition Systems of Universal Testing Machines
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：bzxznet@163.com