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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
STANDARD published on 15.8.1998
Designation standards: ETSI EN 301006-1-V1.2.2
Publication date standards: 15.8.1998
SKU: NS-309572
The number of pages: 62
Approximate weight : 186 g (0.41 lbs)
Country: European technical standard
Category: Technical standards ETSI
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