I.S. EN 61280-4-4:2006被替代
Fibre Optic Communication Subsystem Test Procedures Part 4-4: Cable Plants And Links - Polarization Mode Dispersion Measurement For Installed Links
出版：National Standards Authority of Ireland
专家解读视频
Gives uniform methods of measuring polarization mode dispersion (PMD) of single-mode installed links.
IEC 61280-4-4 Ed. 1.0 - Identical
NF EN 61280-4-4:2006 - Identical
NBN EN 61280-4-4:2007 - Identical
DIN EN 61280-4-4 (2007-01) - Identical
BS EN 61280-4-4:2006 - Identical
SN EN 61280-4-4:2006 - Identical
DIN EN 61280-4-4:2007 - Identical
EN 61280-4-4:2017 - Identical
