2019DIN EN IEC 62343-3-4:2019-10 Dynamic modules - Part 3-4: Performance specification templates - Multicast optical switches (IEC 62343-3-4:2018); German version EN IEC 62343-3-4:2018
2018DIN EN IEC 62343-3-4:2019 Dynamic Modules – Part 3 4: Performance Specification Templates – Multipoint Optical Switches