EN 62153-4-7-2006 金属通信电缆.试验方法.第4-7部分:电磁兼容性(EMC).测量迁移阻抗和屏蔽或耦合衰减的试验方法.管中管法 IEC 62153-4-7:2006
Metallic communication cables test methods Part 4-7: Electromagnetic compatibility (EMC) - Test method for measuring the transfer impedance and the screening - or the coupling attenuation - Tube in tube method