Transmitting and receiving equipment for radiocommunication – Radio-overfibre technologies and their performance standard – Part 2: Radio-over-fibre-based fronthaul network for railway communication systems
standard by International Electrotechnical Commission, 12/01/2022
Safety of transformers, reactors, power supply units and combinations thereof – Part 2-20: Particular requirements and tests for small reactors
standard by International Electrotechnical Commission, 12/01/2022
Thyristor valves for high voltage direct current (HVDC) power transmission – Part 3: Essential ratings (limiting values) and characteristics
standard by International Electrotechnical Commission, 11/01/2022
Fibre optic active components and devices – Performance standards – Part 12: Distributed feedback laser diode device for analogue radio over fibre systems
standard by International Electrotechnical Commission, 02/01/2023
Digital addressable lighting interface – Part 202: Particular requirements for control gear – Self-contained emergency lighting (device type 1)
standard by International Electrotechnical Commission, 12/01/2022
Coaxial communication cables – Part 10-1: Blank detail specification for semi-rigid cables with fluoropolymer dielectric
standard by International Electrotechnical Commission, 11/01/2022
Multicore and symmetrical pair/quad cables for digital communications – Part 7: Symmetrical pair cables with transmission characteristics up to 1 200 MHz – Sectional specification for digital and analogue communication cables
standard by International Electrotechnical Commission, 02/01/2023
Optical fibre cables – Part 1-308: Generic specification – Basic optical cable test procedures – Cable element test methods – Ribbon residual twist test, method G8
standard by International Electrotechnical Commission, 02/01/2023
Power Systems Management And Associated Information Exchange – Data And Communications Security – ALL PARTS
standard by International Electrotechnical Commission, 01/01/2023
High-voltage test techniques – ALL PARTS
standard by International Electrotechnical Commission, 02/14/2023