GB/T 7424.20-2021
Optical fibre cable generic specification—Part 20: Basic optical cable test procedures—General and definitions (English Version)

Scope: This part of GB/T7424 specifies the general requirements for test methods such as optical cable mechanical properties, environmental properties, components and electrical properties, including terms and definitions, and general principles. This section applies to optical cables and optical hybrid cables used in communication equipment and devices using similar technologies. It also applies to optical fiber units, micro-pipe optical fiber units, etc.

GB/T 7424.20-2021 Referenced Document

GB/T 12357.4 Multimode optical fibres for telecommunication.Part 4:Sectional specification for category A4 multimode fibres
GB/T 15972.22-2008 Specifications for optical fibre test methods.Part 22:Measurement methods and test procedures for dimensions.Length measurement
GB/T 15972.40 Specifications for optical fibre test methods.Part 40:Measurement methods and test procedures for transmission and optical characteristics.Attenuation
GB/T 15972.46 Specifications for optical fibre test methods.Part 46:Measurement methods and test procedures for transmission and optical characteristics.Monitoring of changes in optical transmittance
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
IEC 60794-1-1:2015 Optical fibre cables - Part 1-1: Generic specification - General

2021 GB/T 7424.21-2021 Optical fibre cable generic specification—Part 21：Basic optical cable test procedures—Mechanical test methods
2008 GB/T 7424.2-2008 Optical fibre cable generic specification.Part 2:Basic optical cable test procedures
2002 GB/T 7424.2-2002 Optical fibre cable generic specification-Part 2: Basic optical cable test procedures