STB PDF
Fibre optic communication subsystem test procedures - Digital systems. Optical eye pattern, waveform and extinction ratio measurement. Original standard UNE-EN 61280-2-2-2012 in PDF full version. Additional info + preview on request
Document status: Active
Fibre optic communication subsystem test procedures - Digital systems. Jitter and wander measurements. Original standard UNE-EN 61280-2-3-2009 in PDF full version. Additional info + preview on request
Document status: Active
Fibre optic communication subsystem test procedures - Digital systems. Optical signal-to-noise ratio measurement for dense wavelength-division multiplexed systems. Original standard UNE-EN 61280-2-9-2009 in PDF full version. Additional info + preview on request
Document status: Active
Fibre optic communication subsystem test procedures - Installed cable plant. Multimode attenuation measurement. Original standard UNE-EN 61280-4-1-2009 in PDF full version. Additional info + preview on request
Document status: Replaced by STB UNE-EN IEC 61280-4-1-2019
Fibre-optic communication subsystem test procedures - Installed cable plant. Single-mode attenuation and optical return loss measurement. Original standard UNE-EN 61280-4-2-2014 in PDF full version. Additional info + preview on request
Document status: Active
Railway applications - Urban guided transport management and command control systems - Part 1- System principles and fundamental concepts. Original standard UNE-EN 61287-1-2015 in PDF full version. Additional info + preview on request
Document status: Active