GB/T 2789-1981
Abolished
GB/T 13621-1999
Abolished
National standards
GB/T 13621-1999 Capacity series and radio-frequency channel arrangement and equipment main technical specifications for 100~1000MHz radio relay communication systems
GB/T 13621-1999 Capacity series and radio-frequency channel arrangement and equipment main technical specifications for 100~1000MHz radio relay communication systems
Basic Information
Standard Code:
GB/T 13621-1999
Standard Type:
National standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Communication equipment capacity series
ICS Name:
\n Transmission system
Publish Date:
1999-11-11
Implement Date:
2000-06-01
Pages:
20 pages
Development Information
Replace the following standards
GB 13621-1992
Referenced Standards
GB 7611-1987
GB/T 11313-1996 Redio-frequency connectors—Part 1:Generic specification—General requirements and measuring methods
SJ/T 11071-19996
GB/T 14130-1993 Performance requirements for digital sections of metallic cables used in telecommunication network
GB/T 12640-1990 Methods of measurement for the digital microwave radio relay communication equipments
GB 13421-1992 Limits of maximum permitted spurious emission power levels and methods of measurement for radio transmitters
GB/T 6879-1995 Performance and test methods of the 30 channels pulse code modulation multiplex equipment at 2048 kbit/s
GB/T 3384-1982 Parameters of interface for the analogue carrier systems over the network
SJ/T 11072-1996 R.F coaxial connectors of Type BNC
SJ/T 11073-1996 R.F coaxial connectors of Type SMA
Related Standards
GB/T 3383-1982
Active
GB/T 3383-1982 Telecommunication transmission unit—decibel
GB/T 4110-1983
Active
GB/T 4110-1983 Pulse code modulation communication system hierarchy
GB/T 5438-1985
Active
GB/T 5438-1985 Characteristics and measuring methods for monophonic and stereophonic transmissions
GB/T 7438-1987
Abolished
GB/T 7438-1987 Numbering for telex and low speed data in national communi cation network
GB/T 7554-1987
Active