IEC 61280-3-4: Fibre optic communication subsystem basic test procedures - Part 3-4: Test procedures for analogue systems - Composite triple-beat noise measurement for video systems

IEC 61280-3-7: Fibre optic communication subsystem basic test procedures - Part 3-7: Test procedures for analogue systems - Transmitter or receiver bandwidth measurement

Energy Storage Power Converter (ESPC) Sub-System for use in Electrical Energy Storage Systems (EESS) - Part 3: Method of specifying the performance and test requirements (IEC 22H/302/CD:2022); Text in German and English

IEC 61280-3-2 Ed. 1.0: Fiber optic communication subsystem basic test procedures - Part 3-2: Test procedures for analogue systems - Carrier-to-noise ratio measurement for video systems

Fibre-optic communication subsystem test procedures - Part 4-2: Installed cable plant - Single-mode attenuation and optical return loss measurement (IEC 86C/1876/CDV:2023); German and English version prEN IEC 61280-4-2:2023

Fibre optic communication subsystem test procedures - Part 2-13: Digital systems - Measurement of error vector magnitude (IEC 86C/1900/CDV:2024); German and English version prEN IEC 61280-2-13:2024