Integrated Services Digital Network (ISDN); Primary rate access - safety and protection; Part 4 : Interface Ib - safety
NORMA vydaná dňa 31.8.1992
Designation standards: ETSI ETS 300046-4-ed.1
Note: NEPLATNÁ
Publication date standards: 31.8.1992
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: European technical standard
Kategória: Technické normy ETSI