X.25, Interface between Data Terminal Equipment (DTE) and Data Circuit-terminating Equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit

This standard facilitates international interworking by specifying and defining the mechanical, electrical, functional, and procedural characteristics to activate, maintain, and deactivate the physical link between the DTE and the DCE in a packet network. This description includes formats, flow control principles, interrupt procedures, and reset sequences. This standard fully specifies the behavior of the DCE. It also specifies a minimum set of requirements for the DTE.
Other Standards: While this Recommendation specifies the requirements for the DTE, additional guidance for the design of DTEs is available in ISO standards ISO 7776 (data link layer) and ISO 8208 (packet layer). It is not required by this Recommendation that these ISO standards be used.

Date submitted: Oct 1, 1996

Primary Contact
ITU (International Telecomm.Union)
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International Telecommunication Union (ITU)
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Developer Contact
ITU (International Telecomm.Union)
sales@itu.int
41 22730 5852
International Telecommunication Union (ITU)
http://www.itu.int
Place des Nations, CH 1211
Geneva 20,
Switzerland