Specifies the 25-pin connector and assignment of connector pin number at the interface between data terminal equipment and data circuit-terminating equipment or automatic calling equipment. Applicable to voice band modems, public data network facilities, telegraph signal converters, and automatic calling equipment where CCITT Recommendations V.24 and V.28 are valid.
Status: PublishedPublication date: 1989-10
Edition: 3Number of pages: 13
Technical Committee: ISO/IEC JTC 1/SC 6 Telecommunications and information exchange between systems
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