BS EN IEC 61280-4-1 : 2019废止
Fibre-optic communication subsystem test procedures. Installed cabling plant. Multimode attenuation measurement
出版：British Standards Institution
专家解读视频
This part of IEC 61280 is applicable to the measurement of attenuation of installed optical fibre cabling plant using multimode optical fibre.
IEC 61280-4-1 : 2019 - Identical
EN IEC 61280-4-1 : 2019 - Identical
IEC 61280-4-1 : 2019 - Identical
EN IEC 61280-4-1 : 2019 - Identical
EN IEC 61280-4-1:2019/AC:2020-05 - Identical
IEC 61280-4-1:2019/COR1:2020 - Identical
