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Fibre-optic communication subsystem test procedures - Part 4-1- Installed cabling plant - Multimode attenuation measurement. IEC 61280-4-1:2019-05+AMD1:2021-12 CSV(en-fr). Original standard IEC 61280-4-1-2021 in PDF full version. Additional info + preview on request

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Fibre-optic communication subsystem test procedures - Part 4-2- Installed cabling plant - Single-mode attenuation and optical return loss measurements. IEC 61280-4-2:2024-05(en-fr). Original standard IEC 61280-4-2-2024 in PDF full version. Additional info + preview on request

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Fibre optic communication subsystem test procedures - Part 4-3- Installed passive optical networks - Attenuation and optical return loss measurements. IEC 61280-4-3:2022-07(en-fr). Original standard IEC 61280-4-3-2022 in PDF full version. Additional info + preview on request

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Fibre optic communication subsystem test procedures - Part 4-4- Cable plants and links - Polarization mode dispersion measurement for installed links. IEC 61280-4-4:2017-03(en-fr). Original standard IEC 61280-4-4-2017 in PDF full version. Additional info + preview on request

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Fibre-optic communication subsystem test procedures - Part 4-5- Installed cabling plant - Attenuation measurement of MPO terminated fibre optic cabling plant using test equipment with MPO interfaces. IEC 61280-4-5:2020-07(en-fr). Original standard IEC 61280-4-5-2020 in PDF full version. Additional info + preview on request

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Corrigendum 1 - Fibre-optic communication subsystem test procedures - Part 4-5: Installed cabling plant - Attenuation measurement of MPO terminated fibre optic cabling plant using test equipment with MPO interfaces. IEC 61280-4-5:2020-07/COR1:2022-01(en). Original standard IEC 61280-4-5-2020 cor1-2022 in PDF full version. Additional info + preview on request

Document status: Active