IEC 61300-2-14:2021可用作:；IEC 61300-2-14:2021 RLV；包含国际标准及其红线版本，显示与前一版本相比技术内容的所有变化。IEC 61300-2-14:2021描述了确定光纤互连装置或无源组件是否适合承受其运行期间发生的光功率暴露的程序。第四版取消并取代2012年出版的第三版。本版为技术修订版。本版本包括与前一版本相比的以下重大技术变更: -协调IEC 61300-1:2016和IEC 61300-3-4:2012； -增加缩写词； -增加关于两端输入光功率的第A.2条。

IEC 61300-2-14:2021 is available as;IEC 61300-2-14:2021 RLV;which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61300-2-14:2021 describes a procedure for determining the suitability of a fibre optic interconnecting device or a passive component to withstand exposure to the optical power which occurs during its operation. This fourth edition cancels and replaces the third edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - harmonizing IEC 61300-1:2016 and IEC 61300-3-4:2012; - addition of abbreviated terms; - addition of Clause A.2 regarding input optical power from both ends.