ISO IEC TS 29125-2017 PDF

Full title and description

ISO/IEC TS 29125:2017 — Information technology — Telecommunications cabling requirements for remote powering of terminal equipment. This technical specification gives guidance on using generic balanced cabling (as defined in the ISO/IEC 11801 series) for delivering remote power to terminal equipment in customer premises, including recommendations for new cabling installations and renovations and considerations where cabling is installed prior to selection of powering equipment.

Abstract

This Technical Specification describes requirements and guidance for the design, selection and installation of generic balanced cabling used to provide remote powering to terminal equipment (for example Power over Ethernet and similar remote-powering schemes). It addresses planning, cabling types and performance, thermal and installation considerations, and compatibility with generic cabling standards used in customer premises cabling. The document has been published as a base TS in 2017 and subsequently consolidated with amendments.

General information

• Status: Technical Specification (published; maintained with amendments).
• Publication date: 11 April 2017 (base publication).
• Publisher: Joint ISO/IEC deliverable developed under ISO/IEC JTC 1/SC 25 (published through ISO and IEC channels).
• ICS / categories: 35.200 (Interface and interconnection equipment / Telecommunications cabling).
• Edition / version: Edition 1.0 (2017); consolidated editions include Amendment 1 (2020) and Amendment 2 (2024) where applicable.
• Number of pages: Base technical specification: 26 pages (consolidated/PD products that include amendments report larger page counts—consolidated editions are commonly available with expanded page counts).

Key bibliographic and editorial details above are taken from the ISO/IEC product information and consolidated product listings.

Scope

The scope covers the use of generic balanced cabling in customer premises for the purpose of remote powering of terminal equipment. It applies to cabling installations within one or more buildings (or parts of buildings) that form customer premises and offers guidance where cabling is installed before the exact powered equipment is determined. The document complements the ISO/IEC 11801 generic cabling series by addressing power-delivery-related selection, installation, and thermal considerations.

Key topics and requirements

• Guidance on selecting balanced copper cabling suitable for remote power delivery in customer premises.
• Considerations for planning and installing cabling ahead of selecting powered equipment (future-proofing and power budgets).
• Thermal effects and current-carrying capacity: installation and bundling effects on temperature rise and cable performance.
• Compatibility and interaction with ISO/IEC 11801 generic cabling topologies and performance classes.
• Practical installation guidance: connector types, link/channel design, testing and verification practices to support remote powering.
• Adoption and interface considerations with industry power-delivery protocols (for example IEEE 802.3 PoE family) where relevant to cabling design.

Typical use and users

Used by cabling designers, installation contractors, building services engineers, IT infrastructure planners, data center and enterprise network designers, standards committees and technical auditors. Typical applications include planning structured cabling for offices, campuses and multi-tenant buildings where Power over Ethernet (or other remote powering schemes) will be deployed or may be deployed in the future.

Related standards

Commonly referenced and related documents include the ISO/IEC 11801 generic cabling series (general cabling requirements for customer premises) and industry power-delivery standards such as the IEEE 802.3 family (802.3af/at/bt Power over Ethernet variants), plus regional/adopted cabling standards (for example EN 50173 series where applicable). The TS is an implementation-focused companion to generic cabling standards.

Keywords

remote powering, Power over Ethernet, PoE, balanced cabling, structured cabling, customer premises, ISO/IEC 11801, thermal considerations, terminal equipment, cabling installation.

FAQ

Q: What is this standard?

A: ISO/IEC TS 29125:2017 is a Technical Specification that provides guidance on telecommunications cabling requirements where the cabling is used to remotely power terminal equipment within customer premises.

Q: What does it cover?

A: It covers design and installation guidance for generic balanced cabling used to deliver remote power, including planning, cable selection, thermal and bundling considerations, compatibility with generic cabling topologies and recommendations for testing and verification.

Q: Who typically uses it?

A: Cabling designers, building and IT infrastructure engineers, installers, consultants and standards committees working on structured cabling and power-over-cabling deployments.

Q: Is it current or superseded?

A: The base TS was published on 11 April 2017 (Edition 1.0) and remains in use; it has been maintained via amendments (notably AMD1:2020 and AMD2:2024 in consolidated products). The published stability date shown in product records is 2027, and consolidated/PD editions reflecting amendments are available from national bodies and standards resellers.

Q: Is it part of a series?

A: It is intended to be used alongside the ISO/IEC 11801 generic cabling series (and associated regional/adopted cabling standards) and aligns with cabling practices referenced by other deliverables covering customer premises cabling.

Q: What are the key keywords?

A: Remote powering, PoE, balanced cabling, customer premises, structured cabling, ISO/IEC 11801, terminal equipment, thermal management, installation guidance.