Reference Date Title Language EN 61315:2006 2006-01-31 Calibration of fibre-optic power meters     EN 61746:2005 2005-03-11 Calibration of optical time-domain reflectometers (OTDR)     EN 62129:2006 2006-03-15 Calibration of optical spectrum analyzers     EN 61744:2005 2005-12-22 Calibration of fibre optic chromatic dispersion test sets     EN 61751:1998 1998-04-10 Laser modules used for telecommunication - Reliability assessment     EN 61746-1:2011 2011-03-04 Calibration of optical time-domain reflectometers (OTDR) - Part 1: OTDR for single-mode fibres     EN 62496-3-1:2010 2010-05-07 Optical circuit boards - Performance standard - Part 3-1: Flexible optical circuit boards using unconnectorized optical glass fibres     EN 62496-1:2009 2009-04-08 Optical circuit boards - Part 1: General     EN 62129-2:2011 2011-07-08 Calibration of wavelength/optical frequency measurement instruments - Part 2: Michelson interferometer single wavelength meters     EN 62496-2-1:2011 2011-09-23 Optical circuit boards - Part 2-1: Measurements - Optical attenuation and isolation     EN 62496-3:2011 2011-02-25 Optical circuit boards - Part 3: Performance standards - General and guidance     EN 62496-4:2011 2011-03-04 Optical circuit boards - Part 4: Interface standards - General and guidance     EN 62496-2-2:2011 2011-03-04 Optical circuit boards - Part 2-2: Measurements - Dimensions of optical circuit boards     EN 62614:2010 2010-10-15 Fibre optics - Launch condition requirements for measuring multimode attenuation     EN 61746-2:2011 2011-01-21 Calibration of optical time-domain reflectometers (OTDR) - Part 2: OTDR for multimode fibres