GB/T 3455-1982
Active
GB/T 4574-1984
Abolished
National standards
GB/T 4574-1984 Measuring methods for actual circuit noise and the circuit noise in simulating system loading over the analogue communication network
GB/T 4574-1984 Measuring methods for actual circuit noise and the circuit noise in simulating system loading over the analogue communication network
Basic Information
Standard Code:
GB/T 4574-1984
Standard Type:
National standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Communication network performance indicators and testing
ICS Name:
Lines, connections, and circuits
Publish Date:
1984-07-17
Implement Date:
1985-04-01
Publisher:
National Standards Bureau
Technical Committee:
The Telecommunications Transmission Research Institute of the Ministry of Posts and Telecommunications
Pages:
12 pages
Development Information
Drafting Persons:
Zhao Xiaozhu, Luo Jianguo, and Zhang Youlan
Related Standards
GB 6830-1986
Active
GB 6830-1986 The tolerable limits of danger on telecommunication lines from power lines
GB/T 7440-1987
Abolished
GB/T 7440-1987 Calculating methods and measuring methods for transmission parameters of open-wire communication lines
GB/T 12166-1990
Active
GB/T 12166-1990 Electrical characteristics of unbalanced voltage digital interface circuits
GB/T 15280-1994
Abolished
GB/T 15280-1994 Specifications of voice frequency telegraphic interface
GB/T 7611-2001
Replaced