BS EN 50599-2014 通用布线系统. 依据EN 50173-4的平衡通信电缆的试验规格. D类应用的屏蔽直接接线和工作区域直软线. 详细规格
Generic cabling systems. Specification for the testing of balanced communication cabling in accordance with EN 50173-4. Screened straight patch cords and straight work area cords for class D applications. Detail specification