光纤 第2-30部分：产品规格 A3 类多模光纤临时规格（3.0 版）

[中文适用范围]： IEC 60793-2 的本部分适用于子类别 A3a@ A3b@ A3c@ A3d 和 A3e。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的其他应用@最后是光纤电缆。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 60793-2-30:2012 is applicable to sub-categories A3a, A3b, A3c, A3d and A3e. 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 third edition cancels and replaces the second edition, published in 2007. It constitutes a technical revision and includes the following significant technical changes with respect to the previous edition: - addition of a new sub-category A3e; - changed unit for core-cladding concentricity error and proof stress level. Keywords: A3 multimode fibres, sub-categories A3a, A3b, A3c, A3d and A3e