
Fibre-Optic Communication Subsystem Test Procedures - Part 4-2: Installed Cable Plant- Single-Mode Attenuation And Optical Return Loss Measurement
出版:Swiss Standards

专家解读视频
2014 [01/08/2014]1999 [01/10/1999]
SS EN 61280-4-2 Ed. 2 (2015) - Identical
NF EN 61280-4-2:2015 - Identical
BS EN 61280-4-2:2014 - Identical
EN 61280-4-2:2014 - Identical