ČSN ETS 300449-ed.1 (871519)

Business TeleCommunications (BTC). Special quality voice bandwidth 2-wire analogue leased lines (A2S). Connection characteristics and network interface presentation

NORM herausgegeben am 1.2.1997

Nur das Vorwort ist in der tschechischen Sprache -
Gedruckt (1.20 EUR)

The information about the standard:

Designation standards: ČSN ETS 300449-ed.1
Classification mark: 871519
Catalog number: 21362
Publication date standards: 1.2.1997
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN