DIN EN 60728-4-2008
电视信号、声音信号和交互式设备用电缆网络.第4部分:同轴电缆网络用无源宽带设备
Cable networks for television signals, sound signals and interactive services - Part 4: Passive wideband equipment for coaxial cable networks (IEC 60728-4:2007); German version EN 60728-4:2008