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
Information technology : customer premises cabling; : planning and installation guide to support ISO/IEC 8802-5 token ring stations
ISO/IEC 8802-3 : information technology; : telecommunications and information exchange between systems; : local and metropolitan area networks; : specific requirements; : Part 3; : carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer specifications
Information technology : telecommunications and information exchange between systems; : local and metropolitan area networks; : technical reports and guidelines; : Part 4; : token ring access method and physical layer specifications; : fibre optic station attachment
EN 50098-1 : customer premises cabling for information technology: part 1: ISDN basic access / European Commitee for Electrothecnical Standardization
EN 50116 : information technology equipment: routine electrical safety testing in production / European Commitee for Electrothecnical Standardization