DIN EN 50289-1-9:2002 通信电缆.试验方法规范.第1-9部分:电气试验方法.非平衡衰减 (纵向变换损耗、纵向变换传送损耗); 德文版本 EN 50289-1-9:2001
Communication cables - Specifications for test methods - Part 1-9: Electrical test methods - Unbalance attenuation (longitudinal conversion loss, longitudinal conversion transfer loss); German version EN 50289-1-9:2001
The document details the method of tests to determine attenuation unbalance of cables used in analogue and digital communication systems by using the transmission measurement method.