Integrated Services Digital Network (ISDN); Basic user-network interface; Layer 1 specification and test principles
NORM herausgegeben am 15.3.1996
Designation standards: ETSI ETS 3000122-ed.1/Amd.2
Publication date standards: 15.3.1996
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI