Fibre optic active components and devices - Performance standards - Part 1: General and guidance (IEC 62149-1:2004 + Corrigendum 2004); German version EN 62149-1:2004— 15 стр.
Fibre optic active components and devices - Performance standards - Part 1: General and guidance (IEC 62149-1:2011); German version EN 62149-1:2012— 17 стр.
Fibre optic active components and devices - Performance standards - Part 1: General and guidance (IEC 62149-1:2011); German version EN 62149-1:2012— 17 стр.