SS EN 61280-4-2 Ed. 2 (2015)现行
Fibre-Optic Communication Subsystem Test Procedures - Part 4-2: Installed Cable Plant - Single-Mode Attenuation And Optical Return Loss Measurement
出版：Standardiserings-Kommissionen I Sverige
专家解读视频
2ED 2015 [11/03/2015]1ED 2000 [11/02/2000]
1ED 2000 is still active. (03/2015)
BS EN 61280-4-2:2014 - Identical
NF EN 61280-4-2:2015 - Identical
DIN EN 61280-4-2 (2001-06) - Identical
SN EN 61280-4-2:1999 - Identical
EN 61280-4-2:2014 - Identical
DIN EN 61280-4-2:2015 - Identical
SN EN 61280-4-2:2014 - Identical
