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ETSI - PRETS 300 218

Integrated Services Digital Network (ISDN); Syntax-Based Videotex Lower Layers Protocols for ISDN Packet Mode (CCITT Recommendation X.31 Case A and Case B)

inactive
Organization: ETSI
Publication Date: 1 January 1992
Status: inactive
Page Count: 75
scope:

This ETS specifies the usage of all protocols and supplementary services up to and including layer 3 for Syntax-based Videotex (SBV) terminal equipment in the Integrated Services Digital Network (ISDN). The scope of this ETS is limited to virtual circuits using the three different DTE/DCE modes of connection, i.e.:

a) the DTE/DCE connection to Public Switched Packet Data Network (PSPDN) services (CCITT Recommendation X.31 [4], Case A);

b) the ISDN virtual circuit service through the B-channel (CCITT Recommendation X.31 [4], Case B);

c) the ISDN virtual circuit service through the D-channel (CCITT Recommendation X.31 [4], Case B).

This ETS is applicable to terminal equipment supporting the Syntax-based Videotex using either basic access or primary rate access to the ISDN. In this context, a terminal equipment is either a Videotex Terminal, a Videotex Service Centre, a Videotex Access Point or a Videotex Host (cf. subclause 3.1).

This ETS is based on other ETSs, International Standards or CCITT Recommendations and, where necessary, it adds new or other requirements as application rules.

Conformance testing will be specified by reference to the individual Protocol Implementation Conformance Statement (PICS) proformas and the Abstract Test Suites (ATS).

Document History

January 1, 1993
Integrated Services Digital Network (ISDN); Syntax-Based Videotex Lower Layers Protocols for ISDN Packet Mode (CCITT Recommendation X.31 Case A and Case B)
A description is not available for this item.
January 1, 1992
Integrated Services Digital Network (ISDN) Syntax-Based Videotex Lower Layers Protocols for ISDN Packet Mode (CCITT Recommendation X.31 Case A and Case B)
This ETS specifies the usage of all protocols and supplementary services up to and including layer 3 for Syntax-based Videotex (SBV) terminal equipment in the Integrated Services Digital Network...
PRETS 300 218
January 1, 1992
Integrated Services Digital Network (ISDN); Syntax-Based Videotex Lower Layers Protocols for ISDN Packet Mode (CCITT Recommendation X.31 Case A and Case B)
This ETS specifies the usage of all protocols and supplementary services up to and including layer 3 for Syntax-based Videotex (SBV) terminal equipment in the Integrated Services Digital Network...

References

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