This standard specifies the test methods for optical fiber transmission characteristics and optical characteristics and the unified requirements for test devices, injection conditions, procedures, calculation methods and results. This standard applies to the commercial inspection of the transmission characteristics and optical characteristics of finished optical fiber cables.
GB/T 15972.4-1998 history
2008GB/T 15972.40-2008 Specifications for optical fibre test methods.Part 40:Measurement methods and test procedures for transmission and optical characteristics.Attenuation
1998GB/T 15972.4-1998 Generic specification for optical fibres. Part 4: Measuring methods for transmission and optical characteristics