GB/T 3455-1982
Active
GB/T 15280-1994
Abolished
National standards
GB/T 15280-1994 Specifications of voice frequency telegraphic interface
GB/T 15280-1994 Specifications of voice frequency telegraphic interface
Basic Information
Standard Code:
GB/T 15280-1994
Standard Type:
National standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Fax transmission equipment
ICS Name:
Lines, connections, and circuits
Publish Date:
1994-12-06
Implement Date:
1995-08-01
Pages:
8 pages
Development Information
Referenced Standards
GB 2096
GB/T 7554-1987 Protected 5-unit numerical code for telegram service
GB/T 1988-1998 Information technology—7-bit Coded character set for information interchange
GB/T 2312-1980 Code of Chinese graphic character set for information interchange—Primary set
GB/T 8565.2-1988 Information Processing Coded character sets for text communication Part 2:Graphic characters
Adopt standards
CCITT R.20 S3
Related Standards
GB/T 4574-1984
Abolished
GB/T 4574-1984 Measuring methods for actual circuit noise and the circuit noise in simulating system loading over the analogue communication network
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 7611-2001
Replaced