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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 31.10.1998
Designation standards: ETSI EN 301006-1-V1.2.3
Publication date standards: 31.10.1998
SKU: NS-309573
The number of pages: 62
Approximate weight : 186 g (0.41 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2025-08-01 (Number of items: 2 211 585)
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