Public Switched Telephone Network (PSTN). Basic Category I and Category II specifications for modems standardized for use on the PSTN
NORM herausgegeben am 1.2.1997
Designation standards: ČSN ETS 300114-ed.2
Classification mark: 877522
Catalog number: 21354
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