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DIN ETS 300103:1992-02

Integrated Services Digital Network (ISDN); support of CCITT recommendation X.21, X.21bis and X.20bis based Data Terminal Equipments (DTEs) by an ISDN; synchronous and asynchronous terminal adaption functions; english version ETS 300103:1990

Summary

This standard deals with the adaption of the CCITT X.21, X.21bis and X.20bis interface to the ISDN user-network interface by a terminal adaptor. The main functions are the bit rate adaption and the protocol conversion.

Technical characteristics

Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 02/01/1992
Page Count 110
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