
Fibre-optic Communication Subsystem Test Procedures - Part 4-2: Installed Cable Plant - Single-mode Attenuation And Optical Return Loss Measurement (iec 61280-4-2:2014)
出版:Verband Deutscher Elektrotechniker

专家解读视频
2015 [01/05/2015]2001 [01/06/2001]
Supersedes DIN IEC 86C/141/CDV (07/2001) DIN EN 61280-4-2 issue 06-2001 remains valid alongside this standard until 01-08-2017. (05/2015)
EN 61280-4-2:2014 - Identical
NF EN 61280-4-2:2015 - Identical
BS EN 61280-4-2:2014 - Identical