Objavljen
This European Standard defines the mandatory and optional requirements for the medium specific physical and data link layer for HBES Class 1 Twisted Pair TP1.
Data link layer interface and general definitions, which are media independent, are given in EN 50090 4 2.
POVUČEN
SRPS EN 50090-5-2:2008
OBJAVLJEN
SRPS EN 50090-5-2:2021
90.93
Odluka o potvrđivanju standarda
5. 3. 2025.