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BSI BS 7267:1990

Open systems interconnection: guide to operation of an X.25 interworking unit
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BSI BS 7267:1990

Open systems interconnection: guide to operation of an X.25 interworking unit

PUBLISH DATE 1990
BSI BS 7267:1990

This Technical Report describes the function of the IWU in terms of the mapping between Protocol Data Units (PDUs) that it receives from one interface, and PDUs that it then transmits, which could be on either interface of the IWU.

Additionally, this Technical Report describes the procedures that an IWU can initiate on each interface independently.

Each interface corresponds to one instance of a DTE/DXE connection, and both interfaces of the Interworking Unit operate as a DTE as specified by ISO 8208.

NOTE: The term “DXE” is used as defined in ISO 8208 meaning “…those contexts where it would not matter whether a DTE or a DCE was being referred to.”

Defines the operation of an interworking unit for use on networks that comply with CCITT Recommendation X.25.

SDO BSI: British Standards Institution
Document Number 7267
Publication Date July 31, 1990
Language en - English
Page Count
Revision Level
Supercedes
Committee IST/6
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