EN 50083-2/A1 [documento electrónico] : cable networks for television signals, sound signals and interactive services: part 2: electromagnetic compatibility for equipment / European Committee for Electrotechnical Standardization
EN 50083-3 [documento electrónico]. [cable networks for television signals, sound signals and interactive services] : documento electrónico: part 3: active wideband equipment for coaxial cable networks / European Committee for Electrotechnical Standardization
EN 50083-9 [documento electrónico] : cable networks for television signals, sound signals and interactive services: part 9: interfaces for CATV/SMATV headends and similar professional equipment for DVB/MPEG-2 transport streams / European Committee for Electrotechnical Standardization
EN 50086 -2-4/A1 [documento electrónico] : conduit systems for electrical installations: part 2-4: particular requirements for conduit systems buried underground / European Commitee for Electrothecnical Standardization