VDE 0885-300-1-2012 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 1: General and guidance (IEC 61300-1:2011); German version EN 61300-1:2011
VDE 0885-300-1-2017 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 1: General and guidance (IEC 61300-1:2016); German version EN 61300-1:2016