
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); PRIMARY RATE ACCESS - SAFETY AND PROTECTION. PART 3: INTERFACE IA - PROTECTION. (Endorsed by AENOR in December of 1997.)
NORMA vydána dne 1.12.1997
Designation standards: UNE-ETS 300046-3:1992
Publication date standards: 1.12.1997
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE