BS 7267:1990

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

Published By	Publication Date	Number of Pages
BSI	1990	12

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Categories: 35.100.30 - Network layer, BSI

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Description

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.

Additional information

Status	Definitive
Pages	12
Publication Date	1990-07-31
ISBN	0 580 18290 8
Standard Number	BS 7267:1990, ISO/IEC TR 10029:1989
Title	Open systems interconnection: guide to operation of an X.25 interworking unit
Identical National Standard Of	ISO/IEC TR 10029:1989
Descriptors	Computer terminals, Interfaces (data processing), Computer networks, Packet switching networks, Data transfer, Data processing, Data circuit-terminating equipment, Data transmission, Packets (data transmission), Information exchange, Network layer (OSI), Open systems interconnection
Publisher	BSI
Committee	IST/6
ICS Codes	35.100.30 - Network layer

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BS 7267:1990

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