ISO/IEC 11801-5:2017

Information technology - Generic cabling for customer premises - Part 5: Data centres

ISO/IEC 11801-5:2017(E) This document specifies generic cabling within and to the computer room spaces of data centre premises, or computer room spaces within other types of building. Additionally those premises can include office spaces (for which generic cabling is specified in ISO/IEC 11801-2) or industrial spaces (for which generic cabling is specified in ISO/IEC 11801-3). The contents of the corrigendum of April 2018 have been included in this copy.

General Information

• Status: Published
• Publication Date: 12-Nov-2017
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 35.200 - Interface and interconnection equipment
• Technical Committee: ISO/IEC JTC 1/SC 25 - Interconnection of information technology equipment
• Current Stage: PPUB - Publication issued
• Start Date: 14-Dec-2017
• Completion Date: 13-Nov-2017

Relations

• Replaces: ISO/IEC 24764:2010 - Information technology - Generic cabling systems for data centres
• Effective Date: 05-Sep-2023
• Replaced By: ISO/IEC 24764:2010/AMD1:2014 - Amendment 1 - Information technology - Generic cabling systems for data centres
• Effective Date: 28-Jun-2024
• Corrected By: ISO/IEC 11801-5:2017/COR1:2018 - Corrigendum 1 - Information technology - Generic cabling for customer premises - Part 5: Data centres
• Effective Date: 05-Sep-2023

Standards Content (Sample)

ISO/IEC 11801-5
Edition 1.0 2017-11
INTERNATIONAL
STANDARD
Information technology – Generic cabling for customer premises –
Part 5: Data centres
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ISO/IEC 11801-5
Edition 1.0 2017-11
INTERNATIONAL
STANDARD
Information technology – Generic cabling for customer premises –

Part 5: Data centres
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 35.200 ISBN 978-2-8322-5043-3

– 2 – ISO/IEC 11801-5:2017 © ISO/IEC 2017
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 10
2 Normative references . 10
3 Terms, definitions and abbreviated terms . 11
3.1 Terms and definitions . 11
3.2 Abbreviated terms . 13
4 Conformance . 13
5 Structure of the generic cabling system . 14
5.1 General . 14
5.2 Functional elements . 14
5.3 General structure and hierarchy . 14
5.4 Cabling subsystems . 15
5.4.1 General . 15
5.4.2 Network access cabling subsystem . 16
5.4.3 Main distribution cabling subsystem . 16
5.4.4 Intermediate distribution cabling subsystem . 16
5.4.5 Zone distribution cabling subsystem . 16
5.4.6 Design objectives . 17
5.5 Accommodation of functional elements . 17
5.6 Interfaces . 17
5.6.1 Equipment interfaces and test interfaces . 17
5.6.2 Channels and links . 18
5.7 Dimensioning and configuring . 19
5.7.1 Distributors . 19
5.7.2 Redundancy . 20
5.7.3 External network interface . 21
5.7.4 Cables . 22
5.7.5 Equipment cords . 22
5.7.6 Patch cords and jumpers . 22
5.7.7 Equipment outlets . 22
5.7.8 LDP . 23
5.7.9 Building entrance facilities . 23
5.8 Earthing and equipotential bonding . 23
6 Channel performance requirements . 23
6.1 General . 23
6.2 Environmental performance . 25
6.3 Transmission performance . 25
6.3.1 General . 25
6.3.2 Balanced cabling . 25
6.3.3 Optical fibre cabling . 25
7 Link performance requirements . 26
7.1 General . 26
7.2 Balanced cabling . 26
7.3 Optical fibre cabling . 26

8 Reference implementations . 26
8.1 General . 26
8.2 Balanced cabling . 26
8.2.1 Assumptions . 26
8.2.2 Zone distribution cabling . 27
8.2.3 Cabling between distributors . 30
8.2.4 Network access cabling . 33
8.3 Optical fibre cabling . 35
8.3.1 General . 35
8.3.2 Component choice . 35
8.3.3 Dimensions . 36
9 Cable requirements . 36
9.1 General . 36
9.2 Balanced cables . 36
9.3 Optical fibre cables . 36
10 Connecting hardware requirements . 36
10.1 General requirements . 36
10.1.1 Overview . 36
10.1.2 Location . 36
10.1.3 Design . 37
10.1.4 Operating environment . 37
10.1.5 Mounting . 37
10.1.6 Installation practices . 37
10.1.7 Marking and colour coding . 37
10.2 Connecting hardware for balanced cabling . 37
10.2.1 General requirements . 37
10.2.2 Performance marking . 37
10.2.3 Mechanical characteristics . 37
10.3 Connecting hardware for optical fibre cabling . 38
10.3.1 General requirements . 38
10.3.2 ENI requirements . 38
10.3.3 EO requirements . 38
10.3.4 Optical fibre assignments at the EO . 39
10.3.5 Connecting hardware at other locations . 39
11 Requirements for cords and jumpers . 39
11.1 Jumpers . 39
11.2 Balanced cords . 39
11.3 Optical fibre cords . 39
Annex A (normative) Combination of balanced cabling links . 40
A.1 General . 40
A.2 Requirements . 40
Annex B (informative) Usage of high density connecting hardware within optical fibre
cabling . 41
B.1 General . 41
B.2 Use cases for high density connecting hardware . 41
Annex C (informative) Examples of structures in accordance with ISO/IEC 11801-5 . 45
C.1 General . 45
C.2 Data centre minimum configuration . 46

– 4 – ISO/IEC 11801-5:2017 © IS
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