# ISO/TR 7477:1985 — Withdrawn and superseded ISO standards

For ISO/TR 7477:1985, item title is Data communication — Arrangements for DTE to DTE physical connection using V.24 and X.24 interchange circuits; status code is 9599; successor is ISO/IEC 8481:1996; withdrawn / published date is 1985-10-03, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TR 7477:1985 _(verified: appears in the quote below)_
- **Item title:** Data communication — Arrangements for DTE to DTE physical connection using V.24 and X.24 interchange circuits _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 8481:1996
- **Withdrawn / published date:** 1985-10-03 _(verified: appears in the quote below)_

## What the source says

> 14215,TR,,ISO/TR 7477:1985,Data communication — Arrangements for DTE to DTE physical connection using V.24 and X.24 interchange circuits,Transmission des données — Arrangements pour la connexion physique ETTD à ETTD utilisant des circuits de jonction V.24 et X.24,1985-10-03,1,['35.100.10'],ISO/IEC JTC 1/SC 6,9599,,[26137],"['en','fr']",8,"<p>Describes various arrangements for interconnection of Data Terminal Equipment (DTE), without intermediate Data Circuit-terminating Equipment, concerning electrical, mechanical, and functional characteristics. Applies to DTEs with interface circuits standardized in CCITT Recommendation V.24 for data transmission over telephone networks or with interface c

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).