• Hydrogen Technologies Standards form the basic framework for market ramp-up

    More information
  • Climate change Standards and specifications support climate targets

    More information
  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

    More information
Standards [New]

UNE-EN IEC 61280-4-2
Fibre-optic communication subsystem test procedures - Part 4-2: Installed cabling plant - Single-mode attenuation and optical return loss measurements (Endorsed by Asociación Española de Normalización in July of 2024.)

Edition 2024-07-01
Original language English
Price On Request
Table of contents