This standard was last reviewed and confirmed in 1999. Therefore this version remains current.
Prescribes quality requirements for serial data transmission at the interface between synchronous transmission Data Terminal Equipment and Data Circuit-terminating Equipment in conformance with the CCITT Recommendations V.24 (telephone networks), X.24 (data networks) as specified in DCEs of the corresponding CCITT-Recommendations. Takes into account the need to have performance cotegories of signal quality depending on the type of interchange circuits.
Status : PublishedPublication date : 1989-04
Edition : 1Number of pages : 11
Technical Committee:Telecommunications and information exchange between systems
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