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ISO 9543:1989

Information processing systems — Information exchange between systems — Synchronous transmission signal quality at DTE/DCE interfaces ISO 9543:1989

Publication date:   Apr 13, 1989

General information

90.93 Standard confirmed   Dec 16, 1999

ISO

ISO/IEC JTC 1/SC 6 Telecommunications and information exchange between systems

International Standard

35.100.10   Physical layer

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 9543:1989
90.93 Standard confirmed
Dec 16, 1999