IEC 60793-2-40-2021 pdf free.Optical fibres – Part 2-40: Product specifications – Sectional specification for category A4 multimode fibres.
The following documents are referred to in the text In such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC 60068-1, Environmental testing — Part 1: General and guidance
IEC 60793-1-20, Optical fibres — Part 1-20: Measurement methods and test procedures — Fibre geometry
IEC 60793-1-22, Optical fibres — Part 1-22: Measurement methods and test procedures — Length measurement
IEC 60793-1-40:2019, Optical fibres — Part 1-40: Attenuation measurement methods
IEC 60793-1-4 1, Optical fibres — Part 1-41: Measurement methods and test procedures — Ban dwidth
IEC 60793-1-42, Optical fibres — Part 1-42: Measurement methods and test procedures — Chromatic dispersion
IEC 60793-1-43, Optical fibres — Part 1-43: Measurement methods and test procedures — Numerical aperture measurement
IEC 60793-1-46, Optical fibres — Part 1-46: Measurement methods and test procedures — Monitoring of changes in optical transmittance
IEC 60793-1-47, Optical fibres — Part 1-47: Measurement methods and test procedures — Macrobending loss
IEC 60793-1-50, Optical fibres — Part 1-50: Measurement methods and test procedures — Damp heat (steady state) tests
IEC 60793-1-51, Optical fibres — Part 1-51: Measurement methods and test procedures — Dry heat (steady state) tests
IEC 60793-1-52, Optical fibres — Part 1-52: Measurement methods and test procedures — Change of temperature tests
3 Terms and definitions
No terms and definitions are listed in this document.
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4 Specifications
4.1 Dimensional requirements
Relevant dimensional attributes and measurement methods are given in Table 2.
Requirements common to all category A4 fibres are indicated in Table 3.
Additional attributes that shall be specified in the family specifications for subcategories A4g through A4i are given in Table 4.
4.2 Mechanical requirements
4.2.1 General
Mechanical attributes, test methods, and requirements for buffered fibres can be found in IEC 60794-2-41.
Relevant mechanical attributes and test methods are given in Table 5.
Requirements common to all category A4 fibres are indicated in Table 6.
Additional attributes that shall be specified in the family specifications for subcategories A4g through A4i are given in Table 7.IEC 60793-2-40 pdf free download.