GB/T 3384-1982
Abolished
GB 12048-1989
Abolished
National standards
force_standard
GB 12048-1989 Requirements for clock and synchronization equipment used in the digital network
GB 12048-1989 Requirements for clock and synchronization equipment used in the digital network
Basic Information
Standard Code:
GB 12048-1989
Standard Type:
National standards
Standard Status:
Abolished
is_force_gb:
yes
CCS Name:
\nCommunication network structure
ICS Name:
Data communication network
Publish Date:
1989-12-29
Implement Date:
1990-07-01
Publisher:
The National Technical Supervision Bureau
Technical Committee:
The Telecommunications Transmission Research Institute of the Ministry of Posts and Telecommunications
Pages:
8 pages
Development Information
Drafting Units:
The Telecommunications Transmission Research Institute of the Ministry of Posts and Telecommunications
Drafting Persons:
Wang Guojian and Li Lin
Referenced Standards
Adopt standards
CCITT G812
Related Standards
GB/T 4575-1984
Abolished
GB/T 4575-1984 Frequency comparison pilot series for the FDM systems in the toll communication network
GB/T 4827-1984
Abolished
GB/T 4827-1984 Requirements of data transmission at 50 bit/s
GB/T 7436-1987
Active
GB/T 7436-1987 Specifications of TDM equipment operating on an analog telephone-type circuit for telegraph and lower-speed data
GB/T 7555-1987
Abolished
GB/T 7555-1987 General characteristics complying with the network performance objectives for 12 channel carrier telephone systems on open-wire pairs
GB/T 7556-1987
Abolished