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

專家解讀視頻
2014 [01/10/2014]2000 [01/06/2000]
EN 61280-4-2 : 2014 - Identical
IEC 61280-4-2 : 2.0 - Identical
EN 61280-4-2:2014 - Identical