Integrated Services Digital Network (ISDN). Support of CCITT Recommendation X.21, X.21 bis and X.20 bis based Data Terminal Equipments (DTEs) by an ISDN. Synchronous and asynchronous terminal adaptation functions
NORM herausgegeben am 1.3.1994
Designation standards: STN ETS 300103
Classification mark: 870103
Catalog number: 71379
Publication date standards: 1.3.1994
The number of pages: 106
Approximate weight : 349 g (0.77 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN