Specifies the procedures, formats and facilities at the packet layer for data terminal equipment (DTE) operating in conformance with CCITT Recommendation X.25 (1988). Virtual call and permanent virtual circuit modes of operation are covered, as are the additional packet layer procedures necessary for two DTEs to communicate directly over a dedicated path, a switched-circuit connection or a local area network. This Standard contains the necessary provisions for compatibility with 1984 and 1990 versions of X.25. This Standard is identical with, and has been reproduced from ISO/IEC 8208:1990; Technical Corrigendum 1:1992; Amendment 1:1990, Alternative Logical Channel Identifier assignment; Amendment 3:1991, Conformance requirements; and Technical Corrigendum 1:1993 of Amendment 3:1991.

AS 3621-1989

AS 3621-1989

AS/NZS 3621:2000

AS/NZS 3621:2000

ISO/IEC 8208 : 1990 : AMD 3 - Identical

ISO/IEC 8208 : 1990 - Identical

ISO/IEC 8208 : 1990 : AMD 1 - Identical