Covers the connection of X.21 and X.21bis based terminals of user classes of service 3 to 7 and 19 to the ISDN operating in accordance with circuit-switched or leased circuit services. Also covers the connection of X.20bis based Terminals of CCITT user classes of service 1 and 2, and 19200 bit/s and of asynchronous data rates of 600, 1200, 2400, 3600, 4800, 7200, 9600, 12000, 14400 to the ISDN operating in accordance with circuit-switched or leased circuit services.
Số hiệu tiêu chuẩn
SANS 300103:1990*SABS ETS 300103:1990
Tên tiêu chuẩn
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 adaption functions
Ngày phát hành
2000-03-07
Tiêu chuẩn tương đương
ETS 300103 1990 IDT
Từ khóa
ISDN * INTEGRATED SERVICES DIGITAL NETWORK * ADAPTORS * ASYNCHRONOUS * COMMUNICATION NETWORKS * COMPUTER TERMINALS * DATA TERMINAL EQUIPMENT * DATA TRANSFER * SYNCHRONOUS * TERMINALS * Data transfer * Computer terminals * Integrated services digital network * Asynchronous * Synchronous * Communication networks * Terminals
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