EN 50098-1/A1 [documento electrónico] : customer premises cabling for information technology: part 1: ISDN basic access / European Committee for Electrotechnical Standardization
EN 50098-2 : customer premises cabling for information technology: part 2: 2048 kbit/s ISDN primery access and leased line network interface / European Committee for Electrotechnical Standardization
EN 50117-1/A1 [documento electrónico] : coaxial cables: part 1: generic specification / European Commitee for Electrothecnical Standardization
EN 50117-2-1 [documento electrónico] : coaxial cables: part 2-1: sectional specification for cables used in cabled distribution networks: indoor drop cables for systems operating at 5 MHz - 1 000 MHz / European Commitee for Electrothecnical Standardization