# ISO 8878:1987/Add 2:1990 — Withdrawn and superseded ISO standards

For ISO 8878:1987/Add 2:1990, item title is Information processing systems — Data communications — Use of X.25 to provide the OSI connection-mode network service — Addendum 2; status code is 9599; successor is ISO 8878:1987/Cor 1:1991; withdrawn / published date is 1990-06-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8878:1987/Add 2:1990 _(verified: appears in the quote below)_
- **Item title:** Information processing systems — Data communications — Use of X.25 to provide the OSI connection-mode network service — Addendum 2 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 8878:1987/Cor 1:1991
- **Withdrawn / published date:** 1990-06-20 _(verified: appears in the quote below)_

## What the source says

> 16379,IS,Add,ISO 8878:1987/Add 2:1990,Information processing systems — Data communications — Use of X.25 to provide the OSI connection-mode network service — Addendum 2,Systèmes de traitement de l'information — Communication de données — Utilisation du protocole X.25 pour fournir le service de réseau OSI en mode connexion — Additif 2,1990-06-20,1,['35.100.30'],ISO/IEC JTC 1/SC 6,9599,,[16386],['en'],5,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).