UNE-EN 61280-1-4:2010 Fibre optic communication subsystem test procedures - Part 1-4: General communication subsystems - Light source encircled flux measurement method (Endorsed by AENOR in May of 2010.)
2010UNE-EN 61280-1-4:2010 Fibre optic communication subsystem test procedures - Part 1-4: General communication subsystems - Light source encircled flux measurement method (Endorsed by AENOR in May of 2010.)