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
NORMA vydána dne 31.10.1998
Designation standards: ETSI EN 301006-1-V1.2.3
Publication date standards: 31.10.1998
The number of pages: 62
Approximate weight : 186 g (0.41 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI