Fibre optic interconnecting devices and passive components performance standard - Part 031-6: Non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices (NWBD) for Category O - Uncontrolled environment IEC 61753-031-6:2008 ED1
IEC 61753-031-6:2008(E) provides the minimum initial tests and measurement requirements and severities which a non-wavelength selective branching device (NWBD) should satisfy in order to be categorized as meeting the requirements of Category 0 (uncontrolled environment) as defined in Annex A of IEC 61753-1.