I.S. EN 61280-4-1:2009现行
Fibre Optic Communication Subsystem Test Procedures Part 4-1: Installed Cable Plant - Multimode Attenuation Measurement
出版：National Standards Authority of Ireland
专家解读视频
Pertains to the measurement of attenuation of installed fibre-optic cabling using multimode fibre, typically in lengths of up to 2000 m.
DIN EN 61280-4-1:2010 - Identical
SS EN 61280-4-1 Ed. 2 (2010) - Identical
BS EN 61280-4-1:2009 - Identical
NF EN 61280-4-1:2010 - Identical
NF EN 61280-4-1:2004 - Identical
SS EN 61280-4-1 Ed. 1 (2004) - Identical
BS EN 61280-4-1 : 2009 - Identical
EN 61280-4-1 : 2009 - Identical
IEC 61280-4-1 : 2.0 - Identical
NF EN 61280-4-1 : 2010 - Identical
DIN EN 61280-4-1 : 2010 - Identical
SN EN 61280-4-1 : 2004 - Identical
BS EN 61280-4-1 : 2009 - Identical
