ÖVE/ÖNORM EN 61753-031-3:2015-10
Действует
Fibre optic interconnecting devices and passive components - Performance standard -- Part 031-3: Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category U - Uncontrolled environment (IEC 61753-031-3:2014) (english version)