IEC 61935-2:20 21根据ISO/IEC 11801-1规定了布线系统中用作设备线、跳线和CP线的平衡线和同轴电缆的测试方法。提供了测试方法和相关要求，以证明性能和可靠性，并确保这些平衡线和同轴电缆在其使用寿命期间的兼容性。本文件也可用于提供评估其他软线性能的测试方法。 第四版取消并取代了2010年出版的第三版。与上一版相比，此版本包括以下重大技术变更: -包括ISO/IEC 11801-1中定义的8.1类和8.2类以下的电线。

IEC 61935-2:2021 specifies test methods for balanced and coaxial cords, which are used as equipment cords, patch cords, and CP cords, within cabling systems, in accordance with ISO/IEC 11801-1. The test methods and associated requirements are provided to demonstrate performance and reliability and to ensure compatibility of these balanced and coaxial cords during their operational lifetime. This document may also be used for providing test methodology for assessing the performance of other cords.
This fourth edition cancels and replaces the third edition published in 2010. This edition includes the following significant technical changes with respect to the previous edition:
- inclusion of cords up to category 8.1 and category 8.2, as defined in ISO/IEC 11801-1.