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 inerface specification
NORM herausgegeben am 1.9.1999
Designation standards: ČSN EN 301006-1-V1.2.2
Classification mark: 877139
Catalog number: 56455
Publication date standards: 1.9.1999
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN