IEC 62153-4-0. Metallic communication cable test methods. Part 4-0. Electro magnetic compatibility (EMC). Relationship between surface transfer impedance and screening attenuation, recommended limits
IEC 62153-4-0 金属通信电缆试验方法 第4-0部分 电磁兼容性(EMC) 表面传输阻抗和屏蔽衰减之间的关系 推荐限值