Integrated Services Digital Network (ISDN). Primary rate user-network interface. Layer 1 specification and test principles
NORM herausgegeben am 1.6.1995
Designation standards: ČSN ETS 300011
Classification mark: 878502
Catalog number: 17826
Publication date standards: 1.6.1995
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN