ISO IEC 11801-1-2017 amd1-2025 PDF

Full title and description

ISO/IEC 11801-1:2017/Amd 1:2025 — Information technology — Generic cabling for customer premises — Part 1: General requirements — Amendment 1. This document is an amendment to ISO/IEC 11801-1:2017 that updates and clarifies the general requirements for generic cabling infrastructures at customer premises.

Abstract

This amendment provides technical updates and editorial clarifications to Part 1 of the ISO/IEC 11801 series (general requirements). It is intended to align the Part 1 requirements with recent developments in cabling practice, testing and verification, and cross-references within the ISO/IEC 11801 family. The amendment applies directly to ISO/IEC 11801-1:2017.

General information

• Status: Published.
• Publication date: December 2025 (published edition: 2025-12; some distributor records list implementation/approval dates in early December 2025).
• Publisher: International Organization for Standardization (ISO) / IEC joint publication (ISO/IEC).
• ICS / categories: 35.200 — Interface and interconnection equipment.
• Edition / version: Edition 1 (ISO/IEC 11801-1:2017/Amd 1:2025).
• Number of pages: 70 pages (amendment document).

Scope

This amendment updates the general requirements defined in ISO/IEC 11801-1:2017 for generic cabling systems in customer premises. It contains technical changes, clarifications and editorial corrections to the Part 1 text to ensure consistency with current cabling practice and with other parts of the ISO/IEC 11801 series. The amendment does not replace the full Part 1 standard but modifies it as specified in the amendment text.

Key topics and requirements

• Clarifications to the general requirements for design and implementation of generic cabling on customer premises.
• Updates to installation and testing/verification guidance where needed to reflect current practices.
• Harmonization of terminology and normative references within the ISO/IEC 11801 family.
• Editorial corrections and a technical corrigendum issued alongside the amendment to fix minor errors.
• Alignment of Part 1 references and cross-references to other parts of ISO/IEC 11801 and related cabling/testing standards.

Typical use and users

This amendment is used by standards committees, cabling system designers, structured-cabling installers, manufacturers of cabling and connectivity products, testing and certification laboratories, facility managers and procurement/specification professionals who rely on the ISO/IEC 11801 series to define generic cabling requirements for commercial and institutional premises.

Related standards

Related documents include the other parts of the ISO/IEC 11801 series (for example parts addressing installation, outside-plant, industrial premises and data centre cabling), relevant IEC test and connector standards (e.g., IEC testing series), and national/regional standards and industry specifications that map to ISO/IEC 11801 guidance (for example EN 50173 and TIA cabling recommendations). Users should consult the normative references listed in the amendment for the complete set of related standards.

Keywords

generic cabling, customer premises, amendment, ISO/IEC 11801-1, cabling infrastructure, installation, testing, verification, JTC 1/SC 25.

FAQ

Q: What is this standard?

A: It is Amendment 1 (2025) to ISO/IEC 11801-1:2017, which updates the general requirements portion of the ISO/IEC 11801 generic cabling series for customer premises.

Q: What does it cover?

A: The amendment covers technical updates, clarifications and editorial corrections to Part 1 (general requirements) of ISO/IEC 11801: it refines requirements and guidance for design, installation and verification of generic cabling at customer premises and harmonizes references within the series.

Q: Who typically uses it?

A: Standards committees, cabling designers and installers, product manufacturers, testing labs, facility managers and specifiers who implement or reference ISO/IEC 11801 for structured cabling projects.

Q: Is it current or superseded?

A: The amendment was published in December 2025 and is current as an amendment to ISO/IEC 11801-1:2017; it modifies the 2017 Part 1 text rather than superseding the base standard. A small technical corrigendum was also published in December 2025 to address minor corrections.

Q: Is it part of a series?

A: Yes — it is part of the ISO/IEC 11801 family of standards (generic cabling), specifically an amendment to Part 1: General requirements. The ISO/IEC 11801 family contains multiple parts covering different premises and cabling contexts.

Q: What are the key keywords?

A: Generic cabling, customer premises, amendment, ISO/IEC 11801-1, installation, testing, verification, JTC 1/SC 25.