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PD ISO/IEC TS 29125:2017+A1:2020

Current
Current

The latest, up-to-date edition.

Information technology. Telecommunications cabling requirements for remote powering of terminal equipment
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

24-06-2020

This document addresses the support of safety extra low voltage (SELV) and limited power source (LPS) applications that provide remote power over: 4-pair balanced cabling in accordance with the reference implementations of ISO/IEC 11801 series standards using currents per conductor of up to 500 mA; 1-pair balanced cabling using currents per conductor of up to 1 000 mA; and targets the support of applications that provide remote power over balanced cabling to terminal equipment, covers the transmission and electrical p arameters needed to support r emote power o ver balanced cabling, covers various installation scenarios and how these may impact the capability of balanced cabling to support remote powering, specifies design and configuration of cabling as specified in ISO/IEC 11801-1. NOTE SELV requirements specify a maximum voltage of 60 V DC and LPS is understood in the applications referenced to be up to 100 W supplied within 4-pair cabling. This document includes a mathematical model to predict the behaviour of different bundle sizes, various cabling constructions, and installation conditions for different current capacities. Safety (e.g. electrical safety and protection and fire) and electromagnetic compatibility (EMC) requirements are outside the scope of this document, and are covered by other standards and regulations. However, information given by this document can be of assistance.

Committee
TCT/7
DocumentType
Standard
Pages
42
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO/IEC TS 29125:2017 Identical
ISO/IEC TS 29125:2017/Amd 1:2020 Identical

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