IEC 61300-2-38:2023作为IEC 61300-2-38:2023 RLV提供，其中包含国际标准及其红线版本，显示了与上一版本相比技术内容的所有变化。IEC 61300-3-38:2023提出了两种使用气压测试光纤密封封闭件和硬化连接器密封性能的方法。这第三版取消并取代了2006年出版的第二版。它构成技术修订。与上一版相比，此版本包括以下重大技术变更: a)添加密封硬化连接器； b)IEC 61753-1推荐的测试严重性； c)硬化连接器和适配器的测试配置。

IEC 61300-2-38:2023 is available as IEC 61300-2-38:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61300-3-38:2023 presents two methods for testing the sealing performance of a fibre optic sealed closure and hardened connector using air pressure. This third edition cancels and replaces the second edition published in 2006. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) addition of sealed hardened connectors;
b) recommended test severities from IEC 61753-1;
c) test configurations for hardened connectors and adaptors.