Q3 interface at the Local Exchange (LE) for line and circuit testing of analogue and Integrated Services Digital Network (ISDN) subscriber lines - Part 1: Q3 interface specification
NORM herausgegeben am 1.2.1999
Designation standards: ÖNORM EN 301006-1-V1.2.3
Publication date standards: 1.2.1999
The number of pages: 63
Approximate weight : 189 g (0.42 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM