GB/T 3971.3-1983
Active
GB/T 15840-1995
Abolished
National standards
GB/T 15840-1995 Technical requirement for optical line terminals at 4×139 264kbit/s
GB/T 15840-1995 Technical requirement for optical line terminals at 4×139 264kbit/s
Basic Information
Standard Code:
GB/T 15840-1995
Standard Type:
National standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Optical communication equipment
ICS Name:
Telecommunications system
Publish Date:
1995-12-13
Implement Date:
1996-06-01
Pages:
8 pages
Development Information
Adopt standards
CCITT G921
Related Standards
GB/T 3974-1983
Abolished
GB/T 3974-1983 Telephone transmission interference allowances for long-distance high-capacity analogue microwave communication systems
GB/T 5581-1985
Abolished
GB/T 5581-1985 Specification and measuring method of frequency-modulated voice-frequency telegraph set for a modulation rate of 75 Bauds with channels spaced at 180 Hz
GB/T 13722-1992
Replaced
GB/T 13722-1992 Performance requirements and testing methods for power supplies used in the mobile communication
GB/T 3972-1992
Abolished
GB/T 3972-1992 Relays for crossbar telephone switching systems
GB/T 15410-1994
Abolished