Sectional specification for work area wiring cables with a common overall screen for use in digital communication : EN 50168 October 1994 / European Commitee for Electrothecnical Standardization
Sectional specification for backbone cables, riser and campus with a common overall screen for use in digital communication : EN 50169: October 1994 / European Commitee for Electrothecnical Standardization
Sectional specification for horizontal floor wiring cables with a common overall screen for use in digital communication : EN 50167: October 1994 / European Commitee for Electrothecnical Standardization
HD 608 S1 : July 1992: generic specification for symmetric pair/quad and multicore cables for digital communication / European Commitee for Electrothecnical Standardization
HD 609 S1 : November 1995: sectional specification for equipment cables to be used for digital and analogue communication / European Commitee for Electrothecnical Standardization