# ISO/IEC TS 11801-9903:2021 — Withdrawn and superseded ISO standards

For ISO/IEC TS 11801-9903:2021, item title is Information technology — Generic cabling systems for customer premises — Part 9903: Matrix modelling of channels and links; status code is 9599; successor is ISO/IEC TS 11801-9903:2025; withdrawn / published date is 2021-03-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC TS 11801-9903:2021 _(verified: appears in the quote below)_
- **Item title:** Information technology — Generic cabling systems for customer premises — Part 9903: Matrix modelling of channels and links _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC TS 11801-9903:2025
- **Withdrawn / published date:** 2021-03-18 _(verified: appears in the quote below)_

## What the source says

> 82770,TS,,ISO/IEC TS 11801-9903:2021,Information technology — Generic cabling systems for customer premises — Part 9903: Matrix modelling of channels and links,Technologies de l'information — Câblage générique des locaux d'utilisateurs — Partie 9903: Modelage de la matrice des canaux et liens,2021-03-18,1,['35.200'],ISO/IEC JTC 1/SC 25,9599,[65423],[92912],['en'],48,"ISO/IEC 11801-9903:2021 (E) establishes a matrix-model for formulating limits for mixed mode parameters within and between two pairs of balanced cabling. This is for the purpose of supporting new, improved balanced cabling channel and link specifications."

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).