E DIN ISO/IEC 14763-4 VDE 0800-763-4:2017-06

Information technology – Implementation and operation of customer premises cabling

Part 4: Measurement of end-to-end (E2E)-Links

DIN EN 41003 VDE 0804-100 Beiblatt 1:2006-11

Electrical safety

Classification of interfaces for equipment to be connected to information and communications technology networks