IEC ISO/IEC11801-5 ISO Edition 1.02017-11 INTERNATIONAL STANDARD Informationtechnology-Generic cablingfor customer premises- Part 5: Data centres ISO/IEC 11801-5:2017-11(en THIS PUBLICATIONIS COPYRIGHTPROTECTED Copyright @ 2017 ISO/IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IsO/lEc copyright or have an enquiry about obtaining additionai rights to this publication, please contact the address below oryour local IECmemberNational Committee forfurther information. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembé Fax:+41229190300 CH-1211 Geneva 20 [email protected] Switzerland www.iec.ch Aboutthe IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards forall electrical, electronic and related technologies. AboutIEcpublications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition,acorrigenda oranamendmentmighthavebeenpublished IECCatalogue-webstore.iec.ch/catalogue Electropedia-www.electropedia.org The stand-alone application for consulting theentire The world's leading online dictionary of electronic and bibliographical information on IEc International Standards, electrical terms containing 20 000 terms and definitions in Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional documents.Available for PC,Mac OS, AndroidTablets and languages.Also known as the International Electrotechnical iPad. Vocabulary (IEV)online. IEC publications search - www.iec.ch/searchpub IEc Glossary - std.iec.ch/glossary The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and variety of criteria (reference number, text, technical Frenchextracted from the Terms and Definitions clauseot committee,...).It also gives information onprojects,replaced iEC publications issued since 2002. Some entries have been and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and CISPR. IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IECCustomerServiceCentre-webstore.iec.ch/csc details all new publications released. Available online and If you wish to give us your feedback on this publication or also once a monthby email. need further assistance, please contact the Customer Service Centre:[email protected]. IEC ISO ISO/IEC11801-5 Edition 1.0 2017-11 INTERNATIONAL STANDARD Informationtechnology-Genericcablingforcustomerpremises Part 5: Data centres INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 35.200 ISBN978-2-8322-5043-3 Warning! Make sure that you obtained this publication from an authorized distributor.