DIN EN 61753-089-2:2013-12
Действует
Fibre optic interconnecting devices and passive components - Performance standard - Part 089-2: Non-connectorized single-mode bidirectional OTDR monitoring WWDM devices for category C - Controlled environment (IEC 61753-089-2:2013); German version EN 61753-089-2:2013
— 20 стр.