Fibre optic active components and devices - Performance standards - Part 11: Multiple channel transmitter/receiver chip scale package with multimode fibre interface (( IEC 62149-11:2020) EN IEC 62149-11:2020) (german version)
Edition 2021-04-01

Radio-frequency connectors - Part 1-4: Electrical test methods - Voltage standing wave ratio, return loss and reflection coefficient (( IEC 61169-1-4:2020) EN IEC 61169-1-4:2020) (german version)
Edition 2021-04-01

Information technology - Data centre facilities and infrastructures - Part 2-5: Security systems (german version)
Edition 2021-10-01

Information technology - Data centre facilities and infrastructures - Part 2-1: Building construction (german version)
Edition 2021-10-01

Calibration of wavelength/optical frequency measurement instruments - Part 3:Optical frequency meters internally referenced to a frequency comb ((IEC 62129-3:2019) EN IEC 62129-3:2019) (german version)
Edition 2020-05-01

Fibre optic active components and devices - Performance standards - Part 10: Radio-over-fibre (RoF) transceivers for mobile fronthaul ((IEC 62149-10:2018) EN IEC 62149-10:2018) (german version)
Edition 2020-05-01

Information technology - Data centre facilities and infrastructures - Part 4-7: Cooling Efficiency Ratio (german version)
Edition 2020-10-01

Information technology - Data centre facilities and infrastructures - Part 4-6: Energy Reuse Factor (german version)
Edition 2020-12-01

Fibre optic active components and devices - Performance standards - Part 11: Multiple channel transmitter/receiver chip scale package with multimode fibre interface
Edition 2020-06

Information technology - Data centre facilities and infrastructures - Part 2-3: Environmental control (german version)
Edition 2019-09-01