# ISO 7480:1984 — Withdrawn and superseded ISO standards

For ISO 7480:1984, item title is Information processing — Start-stop transmission signal quality at DTE/DCE interfaces; status code is 9599; successor is ISO/IEC 7480:1991; withdrawn / published date is 1984-09-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 7480:1984 _(verified: appears in the quote below)_
- **Item title:** Information processing — Start-stop transmission signal quality at DTE/DCE interfaces _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 7480:1991
- **Withdrawn / published date:** 1984-09-01 _(verified: appears in the quote below)_

## What the source says

> 14220,IS,,ISO 7480:1984,Information processing — Start-stop transmission signal quality at DTE/DCE interfaces,Traitement de l'information — Qualité des signaux de transmission arythmique aux interfaces ETTD/ETCD,1984-09-01,1,['35.100.10'],ISO/IEC JTC 1/SC 6,9599,,[14221],"['en','fr']",10,

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).