光纤.第2-30部分:产品规格.A3类多模纤维用分规格

[中文适用范围]： IEC 60793-2 的这一部分适用于子类别 A3a、A3b、A3c、A3d、A3e、A3f 和 A3g。这些光纤用于或可以并入不同的信息传输设备、采用类似光传输技术以及光纤电缆的其他应用中。这些纤维适用三种类型的要求： IEC 60793-2 中定义的一般要求；本标准涵盖的 A3 类多模光纤共有的具体要求，并在第 3 章中给出；适用于各个子类别或特定应用（例如汽车或工业应用）的特殊要求，这些要求在规范性子类别附件中定义。 [外文原描述]： IEC 60793-2-30:2015 is applicable to sub-categories A3a, A3b, A3c, A3d, A3e, A3f and A3g. These fibres are used or can be incorporated in different information transmission equipment, other applications employing similar light transmitting techniques as well as fibre optic cables. Three types of requirements apply to these fibres: - general requirements, as defined in IEC 60793-2; - specific requirements common to the category A3 multimode fibres covered in this standard and which are given in Clause 3; - particular requirements applicable to the individual sub-categories or specific applications (e.g. automotive or industrial applications), which are defined in the normative sub-category annexes. This fourth edition cancels and replaces the third edition published in 2012 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - specified test specimen length and measurement details for core diameter and NAff measurements have been added; - two new sub-categories have been added; - NAth is replaced by Naff. Keywords: category A3 multimode fibres