EN 188000 : generic specification: optical fibres: December 1992 / European Commitee for Electrothecnical Standardization
EN 188100 : April 1995: sectional specification: single-mode (SM) optical fibre / European Commitee for Electrothecnical Standardization
EN 188201 : September 1995: family specification: A 1a graded index multimode optical fibres / European Commitee for Electrothecnical Standardization
EN 188202 : September 1995: family specification: A 1b graded index multimode optical fibres / European Commitee for Electrothecnical Standardization