DIN EN 50288-2-1 VDE 0819-2-1:2001-10

Multi-element matallic cables used in analogue and digital communication and control

Sectional specification for screened cables characterized up to 100 MHz - Horizontal and building backbone cables

DIN EN 50169 VDE 0819-4:1995-08

Sectional specification for backbone cables, riser and campus, with a common overall screen for use in digital communication