GB/T 11820-1989
AbolishedThe requirements for urban optical fiber cable systems joined to national public telecommunication network
市内光缆通信系统进网要求
Application Summary AI generated
This standard specifies the technical requirements and performance criteria for urban optical fiber cable systems that are connected to the national public telecommunication network. It is applied in the design, construction, and acceptance testing of metropolitan fiber optic communication networks to ensure compatibility and reliable integration with the broader national infrastructure. The standard primarily guides network operators and engineers in China's telecom industry for deploying and maintaining city-level optical cable systems.
Related Standards
GB/T 7424.4-2003
Optical fiber cables--Part 4-1:Section specification--Optical fibre composite overhead ground wire
GB/T 18311.34-2003
Fibre optic interconnecting devices and passive components--Basic test and measurement procedures--Part 3-34:Examinations and measurements--Attenuation of random mated connectors
GB/T 18311.5-2003
Fibre optic interconnecting devices and passive components--Basic test and measurement procedures--Part 3-5:Examinations and measurements--Wavelength dependence of attenuation
GB/T 18311.4-2003
Fibre optic interconnecting devices and passive components--Basic test and measurement procedures--Part 3-4:Examinations and measurements--Attenuation
GB/T 18311.40-2003
Fibre optic interconnecting devices and passivecomponents--Basic test and measurement procedures--Part 3-40:Examinations and measurements--Extinction ratio of a polarization maintaining(pm)fibre pigtailed connector
GB/T 7424.1-2003
Generic specification for optical fibre cables--Part 1:General
GB/T 18311.1-2003
Fibre optic interconnecting devices and passive components--Basic test and measurement procedures--Part 3-1:Examinations and measurements--Visual examination
GB/T 18310.26-2003
Fibre optic interconnecting devices and passive components--Basic test and measurement procedures--Part 2-26:Tests--Salt mist
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.