# ISO 4902:1980 — Withdrawn and superseded ISO standards For ISO 4902:1980, item title is Data communication — 37-pin and 9- pin DTE/DCE interface connectors and pin assignments; status code is 9599; successor is ISO 4902:1989; withdrawn / published date is 1980-12-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 4902:1980 _(verified: appears in the quote below)_ - **Item title:** Data communication — 37-pin and 9- pin DTE/DCE interface connectors and pin assignments _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4902:1989 - **Withdrawn / published date:** 1980-12-01 _(verified: appears in the quote below)_ ## What the source says > 10920,IS,,ISO 4902:1980,Data communication — 37-pin and 9- pin DTE/DCE interface connectors and pin assignments,Téléinformatique — Affectation des broches et description des connecteurs 37 et 9 broches à la jonction entre ETTD et ETCD,1980-12-01,1,['35.100.10'],ISO/IEC JTC 1/SC 6,9599,,[10921],"['en','fr']",24, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).