Integrated Services Digital Network (ISDN); Primary rate User Network Interface (UNI); Part 1: Layer 1 specification (Endorsed by AENOR in July of 2003.)
NORMA vydaná dňa 1.7.2003
Designation standards: UNE-EN 300011-1V1.2.2
Publication date standards: 1.7.2003
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE