# ISO 8877:1987/Amd 1:1991 — Withdrawn and superseded ISO standards

For ISO 8877:1987/Amd 1:1991, item title is Information processing systems — Interface connector and contact assignments for ISDN basic access interface located at reference points S and T — Amendment 1; status code is 9599; successor is ISO/IEC 8877:1992; withdrawn / published date is 1991-05-23, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8877:1987/Amd 1:1991 _(verified: appears in the quote below)_
- **Item title:** Information processing systems — Interface connector and contact assignments for ISDN basic access interface located at reference points S and T — Amendment 1 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 8877:1992
- **Withdrawn / published date:** 1991-05-23 _(verified: appears in the quote below)_

## What the source says

> 16376,IS,Amd,ISO 8877:1987/Amd 1:1991,Information processing systems — Interface connector and contact assignments for ISDN basic access interface located at reference points S and T — Amendment 1,Systèmes de traitement de l'information — Connecteur d'interface et affectation des contacts pour l'interface d'accès de base au RNIS située aux points de référence S et T — Amendement 1,1991-05-23,1,['35.100.10'],ISO/IEC JTC 1/SC 6,9599,,[21311],['en'],2,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).