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BS ISO/IEC 10588:1993

$102.76

Information technology. Use of X.25 packet layer protocol in conjunction with X.21/X.21 bis to provide the OSI connection-mode network service

Published By Publication Date Number of Pages
BSI 1993 16
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This CCITT Recommendation | International Standard is applicable to the environments where Recommendation X.21 or X.21 bis is used and where the X.25 packet layer protocol (PLP), as standardized in ISO/IEC 8208, is operated during the X.21/X.21 bis data phase to provide the OSI Connection-mode Network Service (CONS). These environments include a CSDN and an ISDN Terminal Adaptor complying with Recommendation X.30 which provides an X.21 access. The X.25 PLP operates either in the DTE/DTE or DTE/DCE mode.

This provision is achieved by specifying the mapping of the CONS primitives and parameters to and from the elements of the protocols used (i.e. X.25 PLP and X.21).

BS ISO/IEC 10588:1993
$102.76