ISO/IEC 8481:1996, Information technology - Telecommunications and information exchange between systems - DTE to DTE direct connections

Describes an arrangement for interconnection of data terminal Equipment (DTE), without intermediate Data Circuit-terminating Equipment (DCE), in terms of electrical, mechanical and functional characteristics. Applies to DTEs with interface circuits standardised in CCITT-Rec. X.24 for transmission over public data networks (PDN). Replaces the first edition.