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
STANDARD published on 1.6.1995
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
Category: Technical standards ČSN