
Fibre-Optic Communication Subsystem Test Procedures - Part 4-2: Installed Cable Plant - Single-Mode Attenuation And Optical Return Loss Measurement
出版:Association Francaise de Normalisation

专家解读视频
2015 [01/02/2015]2000 [01/06/2000]
Indice de classement: C93-807-4-2. Supersedes NFC 93 807 4-2. (06/2005) PR NF EN 61280-4-2 June 2013. (07/2013) 2000 version is still active. (02/2015)
BS EN 61280-4-2:2014 - Identical
SS EN 61280-4-2 Ed. 2 (2015) - Identical
DIN EN 61280-4-2 (2015-05) - Identical
DIN EN 61280-4-2 (2001-06) - Identical
SN EN 61280-4-2:1999 - Identical
SS EN 61280-4-2 Ed. 1 (2000) - Identical
EN 61280-4-2:2014 - Identical
BS EN 61280-4-2 : 2014 - Identical
BS EN 61280-4-2 : 2014 - Identical
SN EN 61280-4-2:2014 - Identical
DIN EN 61280-4-2:2015 - Identical