DIN EN 50289-1-14:2004 通信電纜.試驗方法規范.第1-14部分:連接硬件的耦合衰減或屏蔽衰減
Communication cables - Specifications for test methods - Part 1-14: Electrical test methods - Coupling attenuation or screening attenuation of connecting hardware; German version EN 50289-1-14:2004