PUBLISHED
IEC 61280-4-2:2024 ED3
PROJECT
IEC 61280-4-2/AMD1 ED3
40.20
DIS ballot initiated: 12 weeks
Nov 28, 2025
Amendment 1 - Fibre-optic communication subsystem test procedures - Part 4-2: Installed cabling plant - Single-mode attenuation and optical return loss measurements
40.20 DIS ballot initiated: 12 weeks
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