ČSN ETS 300103 (877021)

Integrated Services Digital Network (ISDN). Support of CCITT Recommendation X.21, X.21 bis a X.20 bis based Data Terminal Equipments (DTEs) by an ISDN. Synchronous and asynchronous terminal adaption functions

NORM herausgegeben am 1.6.1995

Nur das Vorwort ist in der tschechischen Sprache -
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The information about the standard:

Designation standards: ČSN ETS 300103
Classification mark: 877021
Catalog number: 17794
Publication date standards: 1.6.1995
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN