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IEC 60793-2-40:2021

Optical fibres - Part 2-40: Product specifications - Sectional specification for category A4 multimode fibres

General information
Valid from 25.02.2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
25.02.2021
Main
19.11.2015
Main
IEC 60793-2-40:2021 is applicable to category A4 optical multimode fibres and the related subcategories A4a, A4b, A4c, A4d, A4e, A4g, A4h and A4i. These fibres have a plastic core and plastic cladding and may have step-index, multi-step index or graded-index profiles. The fibres are used in information transmission equipment and other applications employing similar light transmitting techniques, and in fibre optic cables. Table 1 summarizes some of the salient characteristics and applications of these fibres. This fifth edition cancels and replaces the fourth edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - revision of NA range of A4a.2; - addition of a new subcategory A4i; - deletion of the subcategory A4f and of Annex F.
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