EN 50600-2-4:2023

SLOVENSKI STANDARD
01-junij-2023
Informacijska tehnologija - Naprave in infrastruktura podatkovnega centra - 2-4.
del: Pokabljenje za telekomunikacije
Information technology - Data centre facilities and infrastructures - Part 2-4:
Telecommunications cabling infrastructure
Informationstechnik - Einrichtungen und Infrastrukturen von Rechenzentren - Teil 2-4:
Infrastruktur der Telekommunikationsverkabelung
Technologie de l'information - Installation et infrastructures de centres de traitement de
données - Partie 2-4: Infrastructure du câblage dédié télécommunications
Ta slovenski standard je istoveten z: EN 50600-2-4:2023
ICS:
33.040.01 Telekomunikacijski sistemi Telecommunication systems
na splošno in general
35.110 Omreževanje Networking
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50600-2-4

NORME EUROPÉENNE
EUROPÄISCHE NORM March 2023
ICS 35.110; 35.020; 35.160 Supersedes EN 50600-2-4:2015
English Version
Information technology - Data centre facilities and infrastructures
- Part 2-4: Telecommunications cabling infrastructure
Technologies de l'information - Installation et infrastructures Informationstechnik - Einrichtungen und Infrastrukturen von
de centres de traitement de données - Partie 2-4: Rechenzentren - Teil 2-4: Infrastruktur der
Infrastructure du câblage dédié aux télécommunications Telekommunikationsverkabelung
This European Standard was approved by CENELEC on 2023-03-20. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50600-2-4:2023 E
Contents Page
European foreword . 5
Introduction . 6
1 Scope . 9
2 Normative references. 9
3 Terms, definitions and abbreviations . 10
3.1 Terms and definitions . 10
3.2 Abbreviations . 14
4 Conformance . 15
5 Telecommunications cabling within the data centre . 15
5.1 General . 15
5.2 Requirements for cabling supporting the IT operations in all data centre spaces . 16
5.3 Requirements for cabling providing distributed building services in all data centre spaces . 16
5.4 Requirements for cabling for IT and network telecommunications to and within the computer room
space 17
5.4.1 General . 17
5.4.2 Point-to-point cabling . 17
5.4.3 Requirements for fixed cabling . 19
6 Implementation of cabling in accordance with EN 50173-5 . 20
6.1 General . 20
6.2 Functional elements . 20
6.3 Distribution areas and spaces . 21
6.3.1 General . 21
6.3.2 Distribution areas . 23
6.3.3 Building entrance facility . 24
6.3.4 Entrance rooms . 25
6.4 Infrastructures supporting the functional elements of EN 50173-5 . 25
6.4.1 General . 25
6.4.2 Pathways and pathway systems for telecommunications cabling . 25
6.4.3 Cabinets, frames and racks for the computer room space . 26
7 Physical Security . 27
7.1 General . 27
7.2 Protection against unauthorized access . 27
7.2.1 Pathways and spaces . 27
7.2.2 Entrance room . 28
7.3 Protection against internal events . 28

8 Availability classification for the telecommunications cabling infrastructure, infrastructure
elements, facilities and spaces . 28
8.1 General . 28
8.2 Availability design principles for telecommunications cabling infrastructure . 29
8.3 Overview about the availability classes for telecommunications cabling . 30
8.4 Availability Class design requirements and recommendations . 30
8.4.1 Transmission channel design for the network distribution cabling . 30
8.4.2 Availability Class 1 . 31
8.4.3 Availability Class 2 . 32
8.4.4 Availability Class 3 . 35
8.4.5 Availability Class 4 . 38
9 Management and operation of the telecommunications cabling infrastructure . 40
9.1 General . 40
9.2 Automated infrastructure management systems . 40
Annex A (informative) Design concepts for network distribution cabling . 41
Annex B (informative) Energy efficiency considerations for the telecommunications cabling
infrastructure . 50
Annex C (informative) Summary of requirements . 51
Annex D (informative) Examples of telecommunications cabling infrastructures including active
equipment. 53
Annex E (informative) Availability description . 56
Annex F (normative) Availability Classes for cabling infrastructures in colocation data centres . 57
Bibliography . 61
Figures
Figure 1 — Schematic relationship between the EN 50600 series of documents . 7
Figure 2 — Schematic relationship between the EN 50600-2-4 and other European cabling design and
installation standards . 8
Figure 3 — Impact of growth in an unstructured point-to-point cabling infrastructure . 18
Figure 4 — Structured cabling infrastructure: setup and growth . 19
Figure 5 — Functional elements and cabling subsystems of EN 50173-5 . 21
Figure 6 — Facilities and spaces relevant for cabling according EN 50173-5 . 22
Figure 7 — Areas providing accommodation for distributors of EN 50173-5 and connected active equipment
.............................................................................................................................................................. 23
Figure 8 — Principle of supply and distribution . 29
Figure 9 — Transmission channels (interconnect and cross-connect) . 31
Figure 10 — Telecommunication cabling Class 1 using direct attached cords . 32
Figure 11 — Telecommunication cabling Class 1 . 32
Figure 12 — Telecommunication cabling Class 2 . 33
Figure 13 — Managing moves, adds and changes . 34
Figure 14 — Telecommunication cabling Class 3 with one entrance room . 36

Figure 15 — Telecommunication cabling Class 3 with two entrance rooms . 36
Figure 16 — Telecommunication cabling Class 4 . 39
Figure A.1 — Symbols of network elements . 41
Figure A.2 — Example of a Class 1 cabling implementation . 42
Figure A.3 — Example for Class 2 EoR cabling implementation . 43
Figure A.4 — Example for Class 2 MoR cabling implementation . 44
Figure A.5 — Example for Class 2 ToR cabling implementation . 45
Figure A.6 — Example for Class 3 EoR cabling implementation . 46
Figure A.7 — Example for Class 3 ToR cabling implementation . 47
Figure A.8 — Example for Class 4 EoR cabling implementation . 48
Figure A.9 — Example for Class 4 ToR cabling implementation . 49
Figure D.1 — Example of Availability Class 3 cabling and active equipment with one entrance room . 53
Figure D.2 — Example of Availability Class 3 cabling and active equipment with two entrance rooms . 54
Figure D.3 — Example of Availability Class 4 cabling and active equipment .
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