NF C90-405-2*NF EN 50090-5-2:2004 Home and Building Electronic Systems (HBES) - Part 5-2 : media and media dependent layers - Network based on HBES Class 1, Twisted Pair
2004NF C90-405-2*NF EN 50090-5-2:2004 Home and Building Electronic Systems (HBES) - Part 5-2 : media and media dependent layers - Network based on HBES Class 1, Twisted Pair