Integrated Services Digital Network (ISDN); Basic user-network interface Layer 1 specification and test principles
STANDARD published on 16.12.1994
Designation standards: ETSI ETS 300012-ed.1/Amd.1
Publication date standards: 16.12.1994
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: European technical standard
Category: Technical standards ETSI