BS EN 61280-2-2:2012 Fibre optic communication subsystem test procedures. Digital systems. Optical eye pattern, waveform and extinction ratio measurement
2013BS EN 61280-2-2:2012 Fibre optic communication subsystem test procedures. Digital systems. Optical eye pattern, waveform and extinction ratio measurement
2008BS EN 61280-2-2:2008 Fibre optic communication subsystem test procedures -Part 2-2: Digital systems - Optical eye pattern, waveform and extinction ratio measurement
2005BS EN 61280-2-2:2005 Fibre optic communication subsystem test procedures - Digital systems - Optical eye pattern, waveform and extinction ratio measurement