- Standard No.
- GB/T 15972.40-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
-
GB/T 15972.40-2008
- Replace
-
GB/T 15972.4-1998
- Scope
- This part of GB/T 15972 specifies the test methods for attenuation characteristics of optical fibers, and establishes uniform requirements for test devices, injection conditions, procedures, calculation methods and results. This section applies to the measurement of Class A multimode fiber and Class B single mode fiber and the commercial inspection of finished fiber optic cables.
GB/T 15972.40-2008 Referenced Document
- GB/T 15972.22-2008 Specifications for optical fibre test methods.Part 22:Measurement methods and test procedures for dimensions.Length measurement
- GB/T 15972.43-2008 Specifications for optical fibre test methods.Part 43:Measurement methods and test procedures for transmission and optical characteristics.Numerrical aperture
- ITU-T G.651-1998 Characteristics of a 50/125 Micrometer Multimode Graded Index Optical Fibre Cable - Series G: Transmission Systems and Media Digital Systems and Networks - Transmission Media Characteristics - Optical Fibre Cables Study Group 15; 39 pp
GB/T 15972.40-2008 history
- 2008 GB/T 15972.40-2008 Specifications for optical fibre test methods.Part 40:Measurement methods and test procedures for transmission and optical characteristics.Attenuation
- 1998 GB/T 15972.4-1998 Generic specification for optical fibres. Part 4: Measuring methods for transmission and optical characteristics
GB/T 15972.40-2008 Specifications for optical fibre test methods.Part 40:Measurement methods and test procedures for transmission and optical characteristics.Attenuation has been changed from GB/T 15972.4-1998 Generic specification for optical fibres. Part 4: Measuring methods for transmission and optical characteristics.