BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 2-WIRE ANALOGUE LEASED LINES (A2O AND A2S). ATTACHMENT REQUIrements for terminal equipment interface.
NORMA vydaná dňa 15.7.1997
Designation standards: UNE-TBR 15:1997
Publication date standards: 15.7.1997
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE