EN 50173-1:2018
(Main)Information technology - Generic cabling systems - Part 1: General requirements
Information technology - Generic cabling systems - Part 1: General requirements
This European Standard specifies: a) the structure and configuration of the backbone cabling subsystems of generic cabling systems within the types of premises and/or spaces defined by the other standards in the EN 50173 series; b) channel transmission and environmental performance requirements in support of the standards in the EN 50173 series (which have taken into account requirements specified in application standards listed in Annex F); c) link performance requirements in support of the standards in the EN 50173 series; d) backbone cabling reference implementations in support of the standards in the EN 50173 series; e) component performance requirements in support of the standards in the EN 50173 series; f) test procedures to verify conformance to the cabling transmission performance requirements of the standards in the EN 50173 series. Safety and electromagnetic compatibility (EMC) requirements are outside the scope of this European Standard and are covered by other standards and regulations. However, information given in this European Standard can be of assistance in meeting these standards and regulations.
Informationstechnik - Anwendungsneutrale Kommunikationskabelanlagen - Teil 1: Allgemeine Anforderungen
Diese Europäische Norm legt fest: a) die Struktur und die Konfiguration der primären und sekundären Teilsysteme der Verkabelung einer anwendungsneutralen Kommunikationskabelanlage an den in den anderen Normen der Reihe EN 50173 definierten Arten von Standorten und/oder Bereichen; b) die Anforderungen an das Leistungsvermögen einer Übertragungsstrecke bezüglich des Übertragungs-verhaltens sowie das umgebungsrelevante Leistungsvermögen zur Unterstützung der Normenreihe EN 50173 (welche die Anforderungen berücksichtigen, die in den in Anhang F aufgeführten Anwen-dungsnormen festgelegt werden); c) die Leistungsanforderungen an Verkabelungsstrecken zur Unterstützung der Normenreihe EN 50173; d) Beispielausführungen der primären und sekundären Teilsysteme der Verkabelung zur Unterstützung der Normenreihe EN 50173; e) Anforderungen an das Leistungsvermögen der Komponenten zur Unterstützung der Normenreihe EN 50173; f) Prüfverfahren zur Überprüfung der Erfüllung der übertragungstechnischen Leistungsanforderungen an die Verkabelung aus den Normenreihe EN 50173. Anforderungen an Sicherheit und elektromagnetische Verträglichkeit (EMV) gehören nicht zum Anwendungs-bereich dieser Europäischen Norm und werden von anderen Normen und Vorschriften behandelt. Jedoch können die in dieser Europäischen Norm bereitgestellten Informationen bei der Einhaltung dieser Normen und Vorschriften hilfreich sein.
Technologies de l'information - Systèmes de câblage générique - Partie 1: Exigences générales
La présente Norme européenne spécifie: a) la topologie et la configuration des sous-systèmes de câblage vertical des systèmes de câblages génériques dans les types de locaux et/ou espaces définis par les autres normes de la série EN 50173; b) les exigences de performances de transmission et d’environnement des canaux pour les normes de la série EN 50173 (qui prennent en compte les exigences spécifiées dans les normes d’application indiquées dans l’Annexe F); c) les exigences de performances des liaisons pour les normes de la série EN 50173; d) les mises en oeuvre de référence du câblage vertical pour les normes de la série EN 50173; e) les exigences de performances des composants pour les normes de la série EN 50173; f) les procédures d’essai pour vérifier la conformité aux exigences de performances de transmission du câblage des normes de la série EN 50173. Les exigences de sécurité et de compatibilité électromagnétique (CEM) ne font pas partie du domaine d'application de la présente Norme européenne et sont couvertes par d'autres normes et réglementations. Cependant, les informations données dans la présente Norme européenne peuvent aider à satisfaire à ces normes et réglementations.
Informacijska tehnologija - Generični kabelski sistemi - 1. del: Splošne zahteve
Ta evropski standard določa:
a) strukturo in konfiguracijo hrbteničnih kabelskih podsistemov univerzalnih sistemov polaganja kablov v vrstah objektov in/ali prostorov, opredeljenih v drugih standardih iz skupine standardov EN 50173;
b) zahteve za kanalni prenos in okoljske lastnosti, ki so v podporo standardom iz skupine standardov EN 50173 (pri čemer ti standardi upoštevajo zahteve, določene v standardih za uporabo, navedenih v dodatku F);
c) zahteve za zmogljivost povezave, ki so v podporo standardom iz skupine standardov EN 50173;
d) uveljavitev sklicev o hrbteničnih kablih, ki so v podporo standardom iz skupine standardov EN 50173;
e) zahteve za zmogljivost komponent, ki so v podporo standardom iz skupine standardov EN 50173;
f) preskusne postopke za preverjanje skladnosti z zahtevami za zmogljivost kabelskega prenosa iz skupine standardov EN 50173.
Varnostne zahteve in zahteve za elektromagnetno združljivost (EMC) ne spadajo na področje uporabe tega evropskega standarda ter so obravnavane v drugih standardih in predpisih. Vendar so lahko informacije iz tega evropskega standarda v pomoč pri izpolnjevanju teh standardov in predpisov.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-oktober-2018
Nadomešča:
SIST EN 50173-1:2011
Informacijska tehnologija - Osnovni kabelski sistemi - 1. del: Splošne zahteve
Information technology - Generic cabling systems - Part 1: General requirements
Informationstechnik - Anwendungsneutrale Kommunikationskabelanlagen - Teil 1:
Allgemeine Anforderungen
Technologies de l'information - Systèmes de câblage générique - Partie 1: Exigences
générales
Ta slovenski standard je istoveten z: EN 50173-1:2018
ICS:
33.040.50 Vodi, zveze in tokokrogi Lines, connections and
circuits
35.110 Omreževanje Networking
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 50173-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2018
ICS 33.040.50 Supersedes EN 50173-1:2011
English Version
Information technology - Generic cabling systems - Part 1:
General requirements
Technologies de l'information - Systèmes de câblage Informationstechnik - Anwendungsneutrale
générique - Partie 1: Exigences générales Kommunikationskabelanlagen - Teil 1: Allgemeine
Anforderungen
This European Standard was approved by CENELEC on 2018-03-19. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey 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
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50173-1:2018 E
Contents Page
European foreword . 12
Introduction . 13
1 Scope and conformance . 15
1.1 Scope . 15
1.2 Conformance . 15
2 Normative references . 16
3 Terms, definitions and abbreviations . 22
3.1 Terms and definitions . 22
3.2 Abbreviations . 31
3.3 Symbols . 33
4 Structure of generic backbone cabling . 33
4.1 General . 33
4.2 Functional elements . 34
4.3 Structure and hierarchy . 34
4.4 Cabling subsystems . 36
4.5 Design objectives . 36
4.6 Accommodation of functional elements . 37
4.7 Interfaces . 37
4.8 Dimensioning and configuring . 38
5 Channel performance . 39
5.1 Environmental performance . 39
5.2 Transmission performance . 41
6 Reference implementations for backbone cabling . 75
6.1 General . 75
6.2 Balanced cabling . 75
6.3 Coaxial cabling . 78
6.4 Optical fibre cabling . 78
7 Cable requirements . 78
7.1 General . 78
7.2 Operating environment . 79
7.3 Balanced cables of Categories 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 . 79
7.4 Coaxial cables . 81
7.5 Optical fibre cables . 81
8 Connecting hardware requirements . 83
8.1 General requirements . 83
8.2 Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 and connecting hardware for balanced cabling . 88
8.3 Category BCT-C connecting hardware for coaxial cabling . 94
8.4 Optical fibre connecting hardware. 96
9 Requirements for cords and jumpers . 99
9.1 General . 99
9.2 Operating environment . 99
9.3 Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 cords for balanced cabling . 99
9.4 Coaxial cords . 105
9.5 Optical fibre cords . 105
Annex A (normative) Link performance limits. 107
A.1 General . 107
A.2 Balanced cabling . 107
A.2.1 General . 107
A.2.2 Return loss . 108
A.2.3 Insertion loss . 109
A.2.4 Near-end crosstalk loss . 110
A.2.5 Attenuation to crosstalk loss ratio at the near-end . 113
A.2.6 Attenuation to crosstalk loss ratio at the far-end . 113
A.2.7 Direct current loop resistance . 116
A.2.8 Direct current resistance unbalance. 116
A.2.9 Propagation delay . 117
A.2.10 Delay skew . 118
A.2.11 Transverse conversion loss . 119
A.2.12 Equal level transverse conversion transfer loss (ELTCTL) . 119
A.2.13 Coupling attenuation . 119
A.2.14 Alien near-end crosstalk . 120
A.2.15 Alien attenuation to crosstalk ratio at the far end . 120
A.3 Coaxial cabling . 120
A.3.1 Return loss . 120
A.3.2 Insertion loss . 120
A.3.3 Direct current loop resistance . 120
A.3.4 Direct current carrying capacity . 121
A.3.5 Operating voltage . 121
A.3.6 Screening attenuation . 121
A.4 Optical fibre cabling . 121
Annex B (informative) Permanent link performance limits for maximum implementations (balanced
and coaxial cabling) . 122
B.1 Balanced cabling . 122
B.1.1 General . 122
B.1.2 Performance limits. 122
B.2 Coaxial cabling . 128
B.2.1 General . 128
B.2.2 Insertion loss . 128
B.2.3 Direct current loop resistance . 128
Annex C (informative) Information on all-silica optical fibres in the previous edition . 129
C.1 Cabled singlemode optical fibres of Category OS1 . 129
C.2 Cabled multimode optical fibres of Category OM1 and OM2 . 129
C.2.1 Cable specification . 129
C.2.2 Application support . 129
Annex D (normative) Electrical, mechanical and environmental requirements of balanced
connecting hardware . 132
D.1 General . 132
D.2 Electrical performance of Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 connecting hardware . 132
D.2.1 Return loss . 132
D.2.2 Insertion loss . 133
D.2.3 Near-end crosstalk loss . 134
D.2.4 Power sum near-end crosstalk loss . 135
D.2.5 Far-end crosstalk loss . 136
D.2.6 Power sum far-end crosstalk loss . 137
D.2.7 Input to output resistance . 138
D.2.8 Input to output resistance unbalance . 138
D.2.9 Current carrying capacity . 139
D.2.10 Propagation delay . 139
D.2.11 Delay skew . 140
D.2.12 Unbalance attenuation . 140
D.2.13 Transfer impedance . 142
D.2.14 Coupling attenuation . 143
D.2.15 Dielectric performance . 144
D.2.16 Power sum alien near-end crosstalk loss . 145
D.2.17 Power sum alien far-end crosstalk loss . 146
D.3 Mechanical and environmental performance . 147
D.3.1 General . 147
D.3.2 Solderless connections . 147
D.3.3 Free and fixed connectors (modular plugs and jacks) . 148
D.3.4 Other connecting hardware . 149
Annex E (informative) Electromagnetic characteristics of balanced cabling . 151
Annex F (informative) Supported applications . 152
F.1 Supported applications for balanced cabling . 152
F.2 Supported applications for coaxial cabling . 156
F.3 Supported applications for optical fibre cabling . 157
F.3.1 Generic applications . 157
F.3.2 Data centre (computer room space) applications . 160
F.3.3 Industrial space applications . 162
Annex G (informative) Introduction to environmental classification . 163
G.1 General . 163
G.2 The application of environmental classification . 163
G.2.1 MICE . 163
G.2.2 The channel environment . 163
Figure G.1 — Variation of the environment along a cabling channel . 163
Figure G.2 — The local environment . 164
G.2.3 Component selection . 164
G.3 The MICE system . 164
G.4 Guidance with respect to environmental classification . 170
G.4.1 Mechanical environment . 170
G.4.2 Ingress protection environment . 170
G.4.3 Climatic and chemical environment . 170
G.4.4 Electromagnetic environment . 170
Annex H (informative) Acronyms for balanced cables . 172
Annex I (normative) Testing procedures to assess conformance with EN 50173 standards . 174
I.1 General . 174
I.2 Channel and link performance testing. 174
I.2.1 General . 174
I.2.2 Testing balanced cabling channels and links . 175
I.2.3 Testing optical fibre cabling channels and links . 175
I.2.4 Channel and link test schedules . 175
Bibliography . 178
Figures
Figure 1 — Schematic relationship between the EN 50173 series and other relevant standards . 13
Figure 2 — Structure of generic cabling . 34
Figure 3 — Hierarchical structure of generic cabling . 35
Figure 4 — Interconnect and cross-connect models . 35
Figure 5 — Examples of backbone cabling implementations to improve reliability . 37
Figure 6 — Test and equipment interfaces for backbone cabling . 38
Figure 7 — Backbone cabling model . 76
Figure 8 — Pin grouping and pair assignments for EN 60603-7 series connecting hardware of Categories 5, 6,
6A and 8.1 (front view of fixed connector) . 92
Figure 9 — Pin grouping and pair assignments for EN 60603-7 series connecting hardware of Categories 7,
7A, BCT-B and 8.2 (front view of fixed connector) . 92
Figure 10 — Pin grouping and pair assignments for EN 61076-3-104 connecting hardware (front view of
fixed connector) . 93
Figure 11 — Four position jack pin and pair grouping assignments for EN 61076-2-101 connecting hardware
(front view of connector) . 93
Figure 12 — Four position jack pin and pair grouping assignments for EN 61076-2-109 connecting hardware
(front view of fixed connector) . 94
Figure 13 — Conductor assignment of EN 61169-2 (Type 9,52) and EN 61169-24 (Type F) . 96
Figure 14 — Optical fibre assignments for connecting hardware for two optical fibres . 98
Figure 15 — Optical fibre assignments for connecting hardware for 12 and 24 optical fibres (front view of
fixed or free connector) . 99
Figure A.1 — Link options . 107
Figure G.1 — Variation of the environment along a cabling channel . 163
Figure G.2 — The local environment . 164
Figure G.3 — Noise Ranges of Common Industrial Machine Devices . 171
Figure H.1 — Balanced cable naming schema . 172
Figure H.2 — Balanced cable construction types . 173
Tables
Table 1 — Contextual relationship between EN 50173 series and other standards relevant for information
technology cabling systems. 14
Table 2 — Channel environments . 39
Table 3 — Details of Environmental Classification . 40
Table 4 — Formulae for RL limits for a channel . 43
Table 5 — RL limits for a channel at key frequencies . 44
Table 6 — Formulae for IL limits for a channel . 45
Table 7 — IL limits for a channel at key frequencies . 46
Table 8 — Formulae for NEXT limits for a channel . 47
Table 9 — NEXT limits for a channel at key frequencies . 48
Table 10 — Formulae for PSNEXT limits for a channel . 49
Table 11 — PSNEXT limits for a channel at key frequencies . 50
Table 12 — ACR-N limits for a channel at key frequencies . 51
Table 13 — PSACR-N limits for a channel at key frequencies . 52
Table 14 — Formulae for ACR-F limits for a channel . 53
Table 15 — ACR-F limits for a channel at key frequencies . 54
Table 16 — Formulae for PSACR-F limits for a channel . 55
Table 17 — PSACR-F limits for a channel at key frequencies . 56
Table 18 — DCLR limits for a channel . 57
Table 19 — d.c. resistance unbalance limits for a channel . 57
Table 20 — Formulae for propagation delay limits for a channel. 59
Table 21 — Propagation delay limits for a channel at key frequencies . 59
Table 22 — Delay skew limits for a channel . 60
Table 23 — Formulae for TCL limits for a cabling channel . 61
Table 24 — TCL limits for a cabling channel at key frequencies . 62
Table 25 — Formulae for ELTCTL limits for a cabling channel . 64
Table 26 — ELTCTL limits for a cabling channel at key frequencies . 65
Table 27 — Formulae for coupling attenuation limits for a screened cabling channel . 66
Table 28 — Coupling attenuation limits for a screened cabling channel at key frequencies . 67
Table 29 — Formulae for PSANEXT limits for a channel . 68
Table 30 — PSANEXT limits for a channel at key frequencies . 69
Table 31 — Formulae for coupling attenuation to meet PSANEXT limits . 69
Table 32 — Formulae for PSANEXT limits for a channel . 70
avg
Table 33 — PSANEXT limits for a channel at key frequencies . 70
avg
Table 34 — Formulae for PSAACR-F limits for a channel . 71
Table 35 — PSAACR-F limits for a channel at key frequencies . 71
Table 36 — Formulae for coupling attenuation to meet PSAACR limits . 71
Table 37 — Formulae for PSAACR-F limits for a channel . 72
avg
Table 38 — PSAACR-F limits for a channel at key frequencies . 72
avg
Table 39 — RL limits for a Class BCT-C channel . 73
Table 40 — Formulae for IL limits for a Class BCT-C channel . 73
Table 41 — IL limits for a Class BCT-C channel at key frequencies . 73
Table 42 — DCLR limits for a Class BCT-C channel . 73
Table 43 — Operating voltage limit for a Class BCT-C channel . 74
Table 44 — Screening attenuation limits for a Class BCT-C channel . 74
Table 45 — Backbone channel length equations . 77
Table 46 — Balanced cable standards . 79
a
Table 47 — Environmental performance specifications for balanced cables . 80
Table 48 — Coupling attenuation limits for Category BCT-B cables . 80
Table 49 — Electrical performance requirements for Category BCT-C cable . 81
Table 50 — Mechanical performance requirements for Category BCT-C cable . 81
Table 51 — Environmental performance specifications for optical fibre cables (in addition to series
a
EN 60794) . 81
Table 52 — Cabled multimode optical fibre performance requirements . 82
Table 53 — Cabled single-mode optical fibre performance requirements . 83
Table 54 — Environmental performance specifications for balanced cabling connecting hardware . 85
Table 55 — Environmental performance specifications for coaxial cabling connecting hardware . 86
Table 56 — Environmental performance specifications for optical fibre cabling connecting hardware . 87
Table 57 — Mechanical characteristics of connecting hardware intended for use with balanced cabling of
Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 . 89
Table 58 — Backwards compatibility matrix. 90
Table 59 — EN 60603-7 series connecting hardware . 91
Table 60 — Formulae for RL limits for BCT-C connecting hardware . 94
Table 61 — RL limits for BCT-C connecting hardware at key frequencies . 94
Table 62 — Formulae for IL limits for BCT-C connecting hardware . 95
Table 63 — IL limits for BCT-C connecting hardware at key frequencies . 95
Table 64 — Screening attenuation limits for BCT-C connecting hardware . 95
Table 65 — Attenuation limits for optical fibre connecting hardware . 97
Table 66 — RL limits for optical fibre connecting hardware . 97
Table 67 — Environmental performance specifications for balanced cords (in addition to IEC 61935-2-X) . 100
Table 68 — RL requirements for cords . 101
Table 69 — RL limits for cords at key frequencies . 101
Table 70 — Component performance formulae used to derive limits for cord NEXT . 103
Table 71 — Minimum NEXT for 2 m cords at key frequencies . 104
Table 72 — Minimum NEXT for 5 m cords at key frequencies . 104
Table 73 — Minimum NEXT for 10 m cords at key frequencies . 105
Table 74 — Environmental performance specifications for optical fibre cords (in addition to EN 61753-1) . 106
Table A.1 — Formulae for RL limits for a link. 108
Table A.2 — Formulae for IL limits for a link . 110
Table A.3 — Formulae for NEXT limits for a link. 111
Table A.4 — Formulae for PSNEXT limits for a link . 112
Table A.5 — Formulae for ACR-F limits for a link . 113
Table A.6 — Formulae for PSACR-F limits for a link . 115
Table A.7 — DCLR limits for a link . 116
Table A.8 — d.c. resistance unbalance limits for a link . 117
Table A.9 — Propagation delay formulae for a link . 118
Table A.10 — Delay skew formulae for a link . 119
Table A.11 — Formulae for IL limits for a link . 120
Table B.1 — RL limits for a permanent link at key frequencies . 122
Table B.2 — IL limits for a permanent link at key frequencies . 123
Table B.3 — NEXT limits for a permanent link at key frequencies . 123
Table B.4 — PSNEXT limits for a permanent link at key frequencies . 124
Table B.5 — ACR-N limits for a permanent link at key frequencies . 124
Table B.6 — PSACR-N limits for a permanent link at key frequencies . 125
Table B.7 — ACR-F limits for a permanent link at key frequencies . 125
Table B.8 — PSACR-F limits for a permanent link at key frequencies . 126
Table B.9 — DCLR limits for a permanent link. 126
Table B.10 — Propagation delay limits for a permanent link at key frequencies . 127
Table B.11 — Delay skew limits for a permanent link . 127
Table B.12 — IL limits for a permanent link at key frequencies . 128
Table B.13 — DCLR limits for a permanent link. 128
Table C.1 — Cabled multimode optical fibre performance requirements . 129
Table C.2 — Supported generic ICT applications and maximum channel lengths . 130
Table C.3 — Supported data centre applications and maximum channel lengths . 131
Table C.4 — Supported monitoring and control applications and maximum channel lengths . 131
Table D.1 — Formulae for RL limits for connecting hardware . 132
Table D.2 — RL limits for connecting hardware at key frequencies . 133
Table D.3 — Formulae for IL limits for connecting hardware . 133
Table D.4 — IL limits for connecting hardware at key frequencies . 134
Table D.5 — Formulae for NEXT limits for connecting hardware . 134
Table D.6 — NEXT limits for connecting hardware at key frequencies . 135
Table D.7 — Formulae for PSNEXT limits for connecting hardware . 135
Table D.8 — PSNEXT limits for connecting hardware at key frequencies . 136
Table D.9 — Formulae for FEXT limits for connecting hardware. 136
Table D.10 — FEXT limits for connecting hardware at key frequencies . 137
Table D.11 — Formulae for PSFEXT limits for connecting hardware . 137
Table D.12 — PSFEXT limits for connecting hardware at key frequencies . 138
Table D.13 — Input to output resistance limits for connecting hardware at key frequencies . 138
Table D.14 — Input to output resistance unbalance limits for connecting hardware at key frequencies . 139
Table D.15 — Current carrying capacity limits for connecting hardware at key frequencies . 139
Table D.16 — Propagation delay limits for connecting hardware . 140
Table D.17 — Delay ske
...
SLOVENSKI STANDARD
01-oktober-2018
1DGRPHãþD
SIST EN 50173-1:2011
Informacijska tehnologija - Univerzalni sistemi polaganja kablov - 1. del: Splošne
zahteve
Information technology - Generic cabling systems - Part 1: General requirements
Informationstechnik - Anwendungsneutrale Kommunikationskabelanlagen - Teil 1:
Allgemeine Anforderungen
Technologies de l'information - Systèmes de câblage générique - Partie 1: Exigences
générales
Ta slovenski standard je istoveten z: EN 50173-1:2018
ICS:
33.040.50 Vodi, zveze in tokokrogi Lines, connections and
circuits
35.110 Omreževanje Networking
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 50173-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2018
ICS 33.040.50 Supersedes EN 50173-1:2011
English Version
Information technology - Generic cabling systems - Part 1:
General requirements
Technologies de l'information - Systèmes de câblage Informationstechnik - Anwendungsneutrale
générique - Partie 1: Exigences générales Kommunikationskabelanlagen - Teil 1: Allgemeine
Anforderungen
This European Standard was approved by CENELEC on 2018-03-19. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey 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
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50173-1:2018 E
Contents Page
European foreword . 12
Introduction . 13
1 Scope and conformance . 15
1.1 Scope . 15
1.2 Conformance . 15
2 Normative references . 16
3 Terms, definitions and abbreviations . 22
3.1 Terms and definitions . 22
3.2 Abbreviations . 31
3.3 Symbols . 33
4 Structure of generic backbone cabling . 33
4.1 General . 33
4.2 Functional elements . 34
4.3 Structure and hierarchy . 34
4.4 Cabling subsystems . 36
4.5 Design objectives . 36
4.6 Accommodation of functional elements . 37
4.7 Interfaces . 37
4.8 Dimensioning and configuring . 38
5 Channel performance . 39
5.1 Environmental performance . 39
5.2 Transmission performance . 41
6 Reference implementations for backbone cabling . 75
6.1 General . 75
6.2 Balanced cabling . 75
6.3 Coaxial cabling . 78
6.4 Optical fibre cabling . 78
7 Cable requirements . 78
7.1 General . 78
7.2 Operating environment . 79
7.3 Balanced cables of Categories 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 . 79
7.4 Coaxial cables . 81
7.5 Optical fibre cables . 81
8 Connecting hardware requirements . 83
8.1 General requirements . 83
8.2 Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 and connecting hardware for balanced cabling . 88
8.3 Category BCT-C connecting hardware for coaxial cabling . 94
8.4 Optical fibre connecting hardware. 96
9 Requirements for cords and jumpers . 99
9.1 General . 99
9.2 Operating environment . 99
9.3 Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 cords for balanced cabling . 99
9.4 Coaxial cords . 105
9.5 Optical fibre cords . 105
Annex A (normative) Link performance limits. 107
A.1 General . 107
A.2 Balanced cabling . 107
A.2.1 General . 107
A.2.2 Return loss . 108
A.2.3 Insertion loss . 109
A.2.4 Near-end crosstalk loss . 110
A.2.5 Attenuation to crosstalk loss ratio at the near-end . 113
A.2.6 Attenuation to crosstalk loss ratio at the far-end . 113
A.2.7 Direct current loop resistance . 116
A.2.8 Direct current resistance unbalance. 116
A.2.9 Propagation delay . 117
A.2.10 Delay skew . 118
A.2.11 Transverse conversion loss . 119
A.2.12 Equal level transverse conversion transfer loss (ELTCTL) . 119
A.2.13 Coupling attenuation . 119
A.2.14 Alien near-end crosstalk . 120
A.2.15 Alien attenuation to crosstalk ratio at the far end . 120
A.3 Coaxial cabling . 120
A.3.1 Return loss . 120
A.3.2 Insertion loss . 120
A.3.3 Direct current loop resistance . 120
A.3.4 Direct current carrying capacity . 121
A.3.5 Operating voltage . 121
A.3.6 Screening attenuation . 121
A.4 Optical fibre cabling . 121
Annex B (informative) Permanent link performance limits for maximum implementations (balanced
and coaxial cabling) . 122
B.1 Balanced cabling . 122
B.1.1 General . 122
B.1.2 Performance limits. 122
B.2 Coaxial cabling . 128
B.2.1 General . 128
B.2.2 Insertion loss . 128
B.2.3 Direct current loop resistance . 128
Annex C (informative) Information on all-silica optical fibres in the previous edition . 129
C.1 Cabled singlemode optical fibres of Category OS1 . 129
C.2 Cabled multimode optical fibres of Category OM1 and OM2 . 129
C.2.1 Cable specification . 129
C.2.2 Application support . 129
Annex D (normative) Electrical, mechanical and environmental requirements of balanced
connecting hardware . 132
D.1 General . 132
D.2 Electrical performance of Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 connecting hardware . 132
D.2.1 Return loss . 132
D.2.2 Insertion loss . 133
D.2.3 Near-end crosstalk loss . 134
D.2.4 Power sum near-end crosstalk loss . 135
D.2.5 Far-end crosstalk loss . 136
D.2.6 Power sum far-end crosstalk loss . 137
D.2.7 Input to output resistance . 138
D.2.8 Input to output resistance unbalance . 138
D.2.9 Current carrying capacity . 139
D.2.10 Propagation delay . 139
D.2.11 Delay skew . 140
D.2.12 Unbalance attenuation . 140
D.2.13 Transfer impedance . 142
D.2.14 Coupling attenuation . 143
D.2.15 Dielectric performance . 144
D.2.16 Power sum alien near-end crosstalk loss . 145
D.2.17 Power sum alien far-end crosstalk loss . 146
D.3 Mechanical and environmental performance . 147
D.3.1 General . 147
D.3.2 Solderless connections . 147
D.3.3 Free and fixed connectors (modular plugs and jacks) . 148
D.3.4 Other connecting hardware . 149
Annex E (informative) Electromagnetic characteristics of balanced cabling . 151
Annex F (informative) Supported applications . 152
F.1 Supported applications for balanced cabling . 152
F.2 Supported applications for coaxial cabling . 156
F.3 Supported applications for optical fibre cabling . 157
F.3.1 Generic applications . 157
F.3.2 Data centre (computer room space) applications . 160
F.3.3 Industrial space applications . 162
Annex G (informative) Introduction to environmental classification . 163
G.1 General . 163
G.2 The application of environmental classification . 163
G.2.1 MICE . 163
G.2.2 The channel environment . 163
Figure G.1 — Variation of the environment along a cabling channel . 163
Figure G.2 — The local environment . 164
G.2.3 Component selection . 164
G.3 The MICE system . 164
G.4 Guidance with respect to environmental classification . 170
G.4.1 Mechanical environment . 170
G.4.2 Ingress protection environment . 170
G.4.3 Climatic and chemical environment . 170
G.4.4 Electromagnetic environment . 170
Annex H (informative) Acronyms for balanced cables . 172
Annex I (normative) Testing procedures to assess conformance with EN 50173 standards . 174
I.1 General . 174
I.2 Channel and link performance testing. 174
I.2.1 General . 174
I.2.2 Testing balanced cabling channels and links . 175
I.2.3 Testing optical fibre cabling channels and links . 175
I.2.4 Channel and link test schedules . 175
Bibliography . 178
Figures
Figure 1 — Schematic relationship between the EN 50173 series and other relevant standards . 13
Figure 2 — Structure of generic cabling . 34
Figure 3 — Hierarchical structure of generic cabling . 35
Figure 4 — Interconnect and cross-connect models . 35
Figure 5 — Examples of backbone cabling implementations to improve reliability . 37
Figure 6 — Test and equipment interfaces for backbone cabling . 38
Figure 7 — Backbone cabling model . 76
Figure 8 — Pin grouping and pair assignments for EN 60603-7 series connecting hardware of Categories 5, 6,
6A and 8.1 (front view of fixed connector) . 92
Figure 9 — Pin grouping and pair assignments for EN 60603-7 series connecting hardware of Categories 7,
7A, BCT-B and 8.2 (front view of fixed connector) . 92
Figure 10 — Pin grouping and pair assignments for EN 61076-3-104 connecting hardware (front view of
fixed connector) . 93
Figure 11 — Four position jack pin and pair grouping assignments for EN 61076-2-101 connecting hardware
(front view of connector) . 93
Figure 12 — Four position jack pin and pair grouping assignments for EN 61076-2-109 connecting hardware
(front view of fixed connector) . 94
Figure 13 — Conductor assignment of EN 61169-2 (Type 9,52) and EN 61169-24 (Type F) . 96
Figure 14 — Optical fibre assignments for connecting hardware for two optical fibres . 98
Figure 15 — Optical fibre assignments for connecting hardware for 12 and 24 optical fibres (front view of
fixed or free connector) . 99
Figure A.1 — Link options . 107
Figure G.1 — Variation of the environment along a cabling channel . 163
Figure G.2 — The local environment . 164
Figure G.3 — Noise Ranges of Common Industrial Machine Devices . 171
Figure H.1 — Balanced cable naming schema . 172
Figure H.2 — Balanced cable construction types . 173
Tables
Table 1 — Contextual relationship between EN 50173 series and other standards relevant for information
technology cabling systems. 14
Table 2 — Channel environments . 39
Table 3 — Details of Environmental Classification . 40
Table 4 — Formulae for RL limits for a channel . 43
Table 5 — RL limits for a channel at key frequencies . 44
Table 6 — Formulae for IL limits for a channel . 45
Table 7 — IL limits for a channel at key frequencies . 46
Table 8 — Formulae for NEXT limits for a channel . 47
Table 9 — NEXT limits for a channel at key frequencies . 48
Table 10 — Formulae for PSNEXT limits for a channel . 49
Table 11 — PSNEXT limits for a channel at key frequencies . 50
Table 12 — ACR-N limits for a channel at key frequencies . 51
Table 13 — PSACR-N limits for a channel at key frequencies . 52
Table 14 — Formulae for ACR-F limits for a channel . 53
Table 15 — ACR-F limits for a channel at key frequencies . 54
Table 16 — Formulae for PSACR-F limits for a channel . 55
Table 17 — PSACR-F limits for a channel at key frequencies . 56
Table 18 — DCLR limits for a channel . 57
Table 19 — d.c. resistance unbalance limits for a channel . 57
Table 20 — Formulae for propagation delay limits for a channel. 59
Table 21 — Propagation delay limits for a channel at key frequencies . 59
Table 22 — Delay skew limits for a channel . 60
Table 23 — Formulae for TCL limits for a cabling channel . 61
Table 24 — TCL limits for a cabling channel at key frequencies . 62
Table 25 — Formulae for ELTCTL limits for a cabling channel . 64
Table 26 — ELTCTL limits for a cabling channel at key frequencies . 65
Table 27 — Formulae for coupling attenuation limits for a screened cabling channel . 66
Table 28 — Coupling attenuation limits for a screened cabling channel at key frequencies . 67
Table 29 — Formulae for PSANEXT limits for a channel . 68
Table 30 — PSANEXT limits for a channel at key frequencies . 69
Table 31 — Formulae for coupling attenuation to meet PSANEXT limits . 69
Table 32 — Formulae for PSANEXT limits for a channel . 70
avg
Table 33 — PSANEXT limits for a channel at key frequencies . 70
avg
Table 34 — Formulae for PSAACR-F limits for a channel . 71
Table 35 — PSAACR-F limits for a channel at key frequencies . 71
Table 36 — Formulae for coupling attenuation to meet PSAACR limits . 71
Table 37 — Formulae for PSAACR-F limits for a channel . 72
avg
Table 38 — PSAACR-F limits for a channel at key frequencies . 72
avg
Table 39 — RL limits for a Class BCT-C channel . 73
Table 40 — Formulae for IL limits for a Class BCT-C channel . 73
Table 41 — IL limits for a Class BCT-C channel at key frequencies . 73
Table 42 — DCLR limits for a Class BCT-C channel . 73
Table 43 — Operating voltage limit for a Class BCT-C channel . 74
Table 44 — Screening attenuation limits for a Class BCT-C channel . 74
Table 45 — Backbone channel length equations . 77
Table 46 — Balanced cable standards . 79
a
Table 47 — Environmental performance specifications for balanced cables . 80
Table 48 — Coupling attenuation limits for Category BCT-B cables . 80
Table 49 — Electrical performance requirements for Category BCT-C cable . 81
Table 50 — Mechanical performance requirements for Category BCT-C cable . 81
Table 51 — Environmental performance specifications for optical fibre cables (in addition to series
a
EN 60794) . 81
Table 52 — Cabled multimode optical fibre performance requirements . 82
Table 53 — Cabled single-mode optical fibre performance requirements . 83
Table 54 — Environmental performance specifications for balanced cabling connecting hardware . 85
Table 55 — Environmental performance specifications for coaxial cabling connecting hardware . 86
Table 56 — Environmental performance specifications for optical fibre cabling connecting hardware . 87
Table 57 — Mechanical characteristics of connecting hardware intended for use with balanced cabling of
Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 . 89
Table 58 — Backwards compatibility matrix. 90
Table 59 — EN 60603-7 series connecting hardware . 91
Table 60 — Formulae for RL limits for BCT-C connecting hardware . 94
Table 61 — RL limits for BCT-C connecting hardware at key frequencies . 94
Table 62 — Formulae for IL limits for BCT-C connecting hardware . 95
Table 63 — IL limits for BCT-C connecting hardware at key frequencies . 95
Table 64 — Screening attenuation limits for BCT-C connecting hardware . 95
Table 65 — Attenuation limits for optical fibre connecting hardware . 97
Table 66 — RL limits for optical fibre connecting hardware . 97
Table 67 — Environmental performance specifications for balanced cords (in addition to IEC 61935-2-X) . 100
Table 68 — RL requirements for cords . 101
Table 69 — RL limits for cords at key frequencies . 101
Table 70 — Component performance formulae used to derive limits for cord NEXT . 103
Table 71 — Minimum NEXT for 2 m cords at key frequencies . 104
Table 72 — Minimum NEXT for 5 m cords at key frequencies . 104
Table 73 — Minimum NEXT for 10 m cords at key frequencies . 105
Table 74 — Environmental performance specifications for optical fibre cords (in addition to EN 61753-1) . 106
Table A.1 — Formulae for RL limits for a link. 108
Table A.2 — Formulae for IL limits for a link . 110
Table A.3 — Formulae for NEXT limits for a link. 111
Table A.4 — Formulae for PSNEXT limits for a link . 112
Table A.5 — Formulae for ACR-F limits for a link . 113
Table A.6 — Formulae for PSACR-F limits for a link . 115
Table A.7 — DCLR limits for a link . 116
Table A.8 — d.c. resistance unbalance limits for a link . 117
Table A.9 — Propagation delay formulae for a link . 118
Table A.10 — Delay skew formulae for a link . 119
Table A.11 — Formulae for IL limits for a link . 120
Table B.1 — RL limits for a permanent link at key frequencies . 122
Table B.2 — IL limits for a permanent link at key frequencies . 123
Table B.3 — NEXT limits for a permanent link at key frequencies . 123
Table B.4 — PSNEXT limits for a permanent link at key frequencies . 124
Table B.5 — ACR-N limits for a permanent link at key frequencies . 124
Table B.6 — PSACR-N limits for a permanent link at key frequencies . 125
Table B.7 — ACR-F limits for a permanent link at key frequencies . 125
Table B.8 — PSACR-F limits for a permanent link at key frequencies . 126
Table B.9 — DCLR limits for a permanent link. 126
Table B.10 — Propagation delay limits for a permanent link at key frequencies . 127
Table B.11 — Delay skew limits for a permanent link . 127
Table B.12 — IL limits for a permanent link at key frequencies . 128
Table B.13 — DCLR limits for a permanent link. 128
Table C.1 — Cabled multimode optical fibre performance requirements . 129
Table C.2 — Supported generic ICT applications and maximum channel lengths . 130
Table C.3 — Supported data centre applications and maximum channel lengths . 131
Table C.4 — Supported monitoring and control applications and maximum channel lengths . 131
Table D.1 — Formulae for RL limits for connecting hardware . 132
Table D.2 — RL limits for connecting hardware at key frequencies . 133
Table D.3 — Formulae for IL limits for connecting hardware . 133
Table D.4 — IL limits for connecting hardware at key frequencies . 134
Table D.5 — Formulae for NEXT limits for connecting hardware . 134
Table D.6 — NEXT limits for connecting hardware at key frequencies . 135
Table D.7 — Formulae for PSNEXT limits for connecting hardware . 135
Table D.8 — PSNEXT limits for connecting hardware at key frequencies . 136
Table D.9 — Formulae for FEXT limits for connecting hardware. 136
Table D.10 — FEXT limits for connecting hardware at key frequencies . 137
Table D.11 — Formulae for PSFEXT limits for connecting hardware . 137
Table D.12 — PSFEXT limits for connecting hardware at key frequencies . 138
Table D.13 — Input to output resistance limits for connecting hardware at key frequencies . 138
Table D.14 — Input to output resistance unbalance limits for connecting hardware at key frequencies . 139
Table D.15 — Current carrying capacity limits for connecting hardware at key frequencies . 139
Table D.16 — Propagation delay limits for connecting hardware .
...
SLOVENSKI STANDARD
01-oktober-2018
Nadomešča:
SIST EN 50173-1:2011
Informacijska tehnologija - Generični kabelski sistemi - 1. del: Splošne zahteve
Information technology - Generic cabling systems - Part 1: General requirements
Informationstechnik - Anwendungsneutrale Kommunikationskabelanlagen - Teil 1:
Allgemeine Anforderungen
Technologies de l'information - Systèmes de câblage générique - Partie 1: Exigences
générales
Ta slovenski standard je istoveten z: EN 50173-1:2018
ICS:
33.040.50 Vodi, zveze in tokokrogi Lines, connections and
circuits
35.110 Omreževanje Networking
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 50173-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2018
ICS 33.040.50 Supersedes EN 50173-1:2011
English Version
Information technology - Generic cabling systems - Part 1:
General requirements
Technologies de l'information - Systèmes de câblage Informationstechnik - Anwendungsneutrale
générique - Partie 1: Exigences générales Kommunikationskabelanlagen - Teil 1: Allgemeine
Anforderungen
This European Standard was approved by CENELEC on 2018-03-19. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey 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
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50173-1:2018 E
Contents Page
European foreword . 12
Introduction . 13
1 Scope and conformance . 15
1.1 Scope . 15
1.2 Conformance . 15
2 Normative references . 16
3 Terms, definitions and abbreviations . 22
3.1 Terms and definitions . 22
3.2 Abbreviations . 31
3.3 Symbols . 33
4 Structure of generic backbone cabling . 33
4.1 General . 33
4.2 Functional elements . 34
4.3 Structure and hierarchy . 34
4.4 Cabling subsystems . 36
4.5 Design objectives . 36
4.6 Accommodation of functional elements . 37
4.7 Interfaces . 37
4.8 Dimensioning and configuring . 38
5 Channel performance . 39
5.1 Environmental performance . 39
5.2 Transmission performance . 41
6 Reference implementations for backbone cabling . 75
6.1 General . 75
6.2 Balanced cabling . 75
6.3 Coaxial cabling . 78
6.4 Optical fibre cabling . 78
7 Cable requirements . 78
7.1 General . 78
7.2 Operating environment . 79
7.3 Balanced cables of Categories 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 . 79
7.4 Coaxial cables . 81
7.5 Optical fibre cables . 81
8 Connecting hardware requirements . 83
8.1 General requirements . 83
8.2 Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 and connecting hardware for balanced cabling . 88
8.3 Category BCT-C connecting hardware for coaxial cabling . 94
8.4 Optical fibre connecting hardware. 96
9 Requirements for cords and jumpers . 99
9.1 General . 99
9.2 Operating environment . 99
9.3 Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 cords for balanced cabling . 99
9.4 Coaxial cords . 105
9.5 Optical fibre cords . 105
Annex A (normative) Link performance limits. 107
A.1 General . 107
A.2 Balanced cabling . 107
A.2.1 General . 107
A.2.2 Return loss . 108
A.2.3 Insertion loss . 109
A.2.4 Near-end crosstalk loss . 110
A.2.5 Attenuation to crosstalk loss ratio at the near-end . 113
A.2.6 Attenuation to crosstalk loss ratio at the far-end . 113
A.2.7 Direct current loop resistance . 116
A.2.8 Direct current resistance unbalance. 116
A.2.9 Propagation delay . 117
A.2.10 Delay skew . 118
A.2.11 Transverse conversion loss . 119
A.2.12 Equal level transverse conversion transfer loss (ELTCTL) . 119
A.2.13 Coupling attenuation . 119
A.2.14 Alien near-end crosstalk . 120
A.2.15 Alien attenuation to crosstalk ratio at the far end . 120
A.3 Coaxial cabling . 120
A.3.1 Return loss . 120
A.3.2 Insertion loss . 120
A.3.3 Direct current loop resistance . 120
A.3.4 Direct current carrying capacity . 121
A.3.5 Operating voltage . 121
A.3.6 Screening attenuation . 121
A.4 Optical fibre cabling . 121
Annex B (informative) Permanent link performance limits for maximum implementations (balanced
and coaxial cabling) . 122
B.1 Balanced cabling . 122
B.1.1 General . 122
B.1.2 Performance limits. 122
B.2 Coaxial cabling . 128
B.2.1 General . 128
B.2.2 Insertion loss . 128
B.2.3 Direct current loop resistance . 128
Annex C (informative) Information on all-silica optical fibres in the previous edition . 129
C.1 Cabled singlemode optical fibres of Category OS1 . 129
C.2 Cabled multimode optical fibres of Category OM1 and OM2 . 129
C.2.1 Cable specification . 129
C.2.2 Application support . 129
Annex D (normative) Electrical, mechanical and environmental requirements of balanced
connecting hardware . 132
D.1 General . 132
D.2 Electrical performance of Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 connecting hardware . 132
D.2.1 Return loss . 132
D.2.2 Insertion loss . 133
D.2.3 Near-end crosstalk loss . 134
D.2.4 Power sum near-end crosstalk loss . 135
D.2.5 Far-end crosstalk loss . 136
D.2.6 Power sum far-end crosstalk loss . 137
D.2.7 Input to output resistance . 138
D.2.8 Input to output resistance unbalance . 138
D.2.9 Current carrying capacity . 139
D.2.10 Propagation delay . 139
D.2.11 Delay skew . 140
D.2.12 Unbalance attenuation . 140
D.2.13 Transfer impedance . 142
D.2.14 Coupling attenuation . 143
D.2.15 Dielectric performance . 144
D.2.16 Power sum alien near-end crosstalk loss . 145
D.2.17 Power sum alien far-end crosstalk loss . 146
D.3 Mechanical and environmental performance . 147
D.3.1 General . 147
D.3.2 Solderless connections . 147
D.3.3 Free and fixed connectors (modular plugs and jacks) . 148
D.3.4 Other connecting hardware . 149
Annex E (informative) Electromagnetic characteristics of balanced cabling . 151
Annex F (informative) Supported applications . 152
F.1 Supported applications for balanced cabling . 152
F.2 Supported applications for coaxial cabling . 156
F.3 Supported applications for optical fibre cabling . 157
F.3.1 Generic applications . 157
F.3.2 Data centre (computer room space) applications . 160
F.3.3 Industrial space applications . 162
Annex G (informative) Introduction to environmental classification . 163
G.1 General . 163
G.2 The application of environmental classification . 163
G.2.1 MICE . 163
G.2.2 The channel environment . 163
Figure G.1 — Variation of the environment along a cabling channel . 163
Figure G.2 — The local environment . 164
G.2.3 Component selection . 164
G.3 The MICE system . 164
G.4 Guidance with respect to environmental classification . 170
G.4.1 Mechanical environment . 170
G.4.2 Ingress protection environment . 170
G.4.3 Climatic and chemical environment . 170
G.4.4 Electromagnetic environment . 170
Annex H (informative) Acronyms for balanced cables . 172
Annex I (normative) Testing procedures to assess conformance with EN 50173 standards . 174
I.1 General . 174
I.2 Channel and link performance testing. 174
I.2.1 General . 174
I.2.2 Testing balanced cabling channels and links . 175
I.2.3 Testing optical fibre cabling channels and links . 175
I.2.4 Channel and link test schedules . 175
Bibliography . 178
Figures
Figure 1 — Schematic relationship between the EN 50173 series and other relevant standards . 13
Figure 2 — Structure of generic cabling . 34
Figure 3 — Hierarchical structure of generic cabling . 35
Figure 4 — Interconnect and cross-connect models . 35
Figure 5 — Examples of backbone cabling implementations to improve reliability . 37
Figure 6 — Test and equipment interfaces for backbone cabling . 38
Figure 7 — Backbone cabling model . 76
Figure 8 — Pin grouping and pair assignments for EN 60603-7 series connecting hardware of Categories 5, 6,
6A and 8.1 (front view of fixed connector) . 92
Figure 9 — Pin grouping and pair assignments for EN 60603-7 series connecting hardware of Categories 7,
7A, BCT-B and 8.2 (front view of fixed connector) . 92
Figure 10 — Pin grouping and pair assignments for EN 61076-3-104 connecting hardware (front view of
fixed connector) . 93
Figure 11 — Four position jack pin and pair grouping assignments for EN 61076-2-101 connecting hardware
(front view of connector) . 93
Figure 12 — Four position jack pin and pair grouping assignments for EN 61076-2-109 connecting hardware
(front view of fixed connector) . 94
Figure 13 — Conductor assignment of EN 61169-2 (Type 9,52) and EN 61169-24 (Type F) . 96
Figure 14 — Optical fibre assignments for connecting hardware for two optical fibres . 98
Figure 15 — Optical fibre assignments for connecting hardware for 12 and 24 optical fibres (front view of
fixed or free connector) . 99
Figure A.1 — Link options . 107
Figure G.1 — Variation of the environment along a cabling channel . 163
Figure G.2 — The local environment . 164
Figure G.3 — Noise Ranges of Common Industrial Machine Devices . 171
Figure H.1 — Balanced cable naming schema . 172
Figure H.2 — Balanced cable construction types . 173
Tables
Table 1 — Contextual relationship between EN 50173 series and other standards relevant for information
technology cabling systems. 14
Table 2 — Channel environments . 39
Table 3 — Details of Environmental Classification . 40
Table 4 — Formulae for RL limits for a channel . 43
Table 5 — RL limits for a channel at key frequencies . 44
Table 6 — Formulae for IL limits for a channel . 45
Table 7 — IL limits for a channel at key frequencies . 46
Table 8 — Formulae for NEXT limits for a channel . 47
Table 9 — NEXT limits for a channel at key frequencies . 48
Table 10 — Formulae for PSNEXT limits for a channel . 49
Table 11 — PSNEXT limits for a channel at key frequencies . 50
Table 12 — ACR-N limits for a channel at key frequencies . 51
Table 13 — PSACR-N limits for a channel at key frequencies . 52
Table 14 — Formulae for ACR-F limits for a channel . 53
Table 15 — ACR-F limits for a channel at key frequencies . 54
Table 16 — Formulae for PSACR-F limits for a channel . 55
Table 17 — PSACR-F limits for a channel at key frequencies . 56
Table 18 — DCLR limits for a channel . 57
Table 19 — d.c. resistance unbalance limits for a channel . 57
Table 20 — Formulae for propagation delay limits for a channel. 59
Table 21 — Propagation delay limits for a channel at key frequencies . 59
Table 22 — Delay skew limits for a channel . 60
Table 23 — Formulae for TCL limits for a cabling channel . 61
Table 24 — TCL limits for a cabling channel at key frequencies . 62
Table 25 — Formulae for ELTCTL limits for a cabling channel . 64
Table 26 — ELTCTL limits for a cabling channel at key frequencies . 65
Table 27 — Formulae for coupling attenuation limits for a screened cabling channel . 66
Table 28 — Coupling attenuation limits for a screened cabling channel at key frequencies . 67
Table 29 — Formulae for PSANEXT limits for a channel . 68
Table 30 — PSANEXT limits for a channel at key frequencies . 69
Table 31 — Formulae for coupling attenuation to meet PSANEXT limits . 69
Table 32 — Formulae for PSANEXT limits for a channel . 70
avg
Table 33 — PSANEXT limits for a channel at key frequencies . 70
avg
Table 34 — Formulae for PSAACR-F limits for a channel . 71
Table 35 — PSAACR-F limits for a channel at key frequencies . 71
Table 36 — Formulae for coupling attenuation to meet PSAACR limits . 71
Table 37 — Formulae for PSAACR-F limits for a channel . 72
avg
Table 38 — PSAACR-F limits for a channel at key frequencies . 72
avg
Table 39 — RL limits for a Class BCT-C channel . 73
Table 40 — Formulae for IL limits for a Class BCT-C channel . 73
Table 41 — IL limits for a Class BCT-C channel at key frequencies . 73
Table 42 — DCLR limits for a Class BCT-C channel . 73
Table 43 — Operating voltage limit for a Class BCT-C channel . 74
Table 44 — Screening attenuation limits for a Class BCT-C channel . 74
Table 45 — Backbone channel length equations . 77
Table 46 — Balanced cable standards . 79
a
Table 47 — Environmental performance specifications for balanced cables . 80
Table 48 — Coupling attenuation limits for Category BCT-B cables . 80
Table 49 — Electrical performance requirements for Category BCT-C cable . 81
Table 50 — Mechanical performance requirements for Category BCT-C cable . 81
Table 51 — Environmental performance specifications for optical fibre cables (in addition to series
a
EN 60794) . 81
Table 52 — Cabled multimode optical fibre performance requirements . 82
Table 53 — Cabled single-mode optical fibre performance requirements . 83
Table 54 — Environmental performance specifications for balanced cabling connecting hardware . 85
Table 55 — Environmental performance specifications for coaxial cabling connecting hardware . 86
Table 56 — Environmental performance specifications for optical fibre cabling connecting hardware . 87
Table 57 — Mechanical characteristics of connecting hardware intended for use with balanced cabling of
Category 5, 6, 6A, 7, 7A, BCT-B, 8.1 and 8.2 . 89
Table 58 — Backwards compatibility matrix. 90
Table 59 — EN 60603-7 series connecting hardware . 91
Table 60 — Formulae for RL limits for BCT-C connecting hardware . 94
Table 61 — RL limits for BCT-C connecting hardware at key frequencies . 94
Table 62 — Formulae for IL limits for BCT-C connecting hardware . 95
Table 63 — IL limits for BCT-C connecting hardware at key frequencies . 95
Table 64 — Screening attenuation limits for BCT-C connecting hardware . 95
Table 65 — Attenuation limits for optical fibre connecting hardware . 97
Table 66 — RL limits for optical fibre connecting hardware . 97
Table 67 — Environmental performance specifications for balanced cords (in addition to IEC 61935-2-X) . 100
Table 68 — RL requirements for cords . 101
Table 69 — RL limits for cords at key frequencies . 101
Table 70 — Component performance formulae used to derive limits for cord NEXT . 103
Table 71 — Minimum NEXT for 2 m cords at key frequencies . 104
Table 72 — Minimum NEXT for 5 m cords at key frequencies . 104
Table 73 — Minimum NEXT for 10 m cords at key frequencies . 105
Table 74 — Environmental performance specifications for optical fibre cords (in addition to EN 61753-1) . 106
Table A.1 — Formulae for RL limits for a link. 108
Table A.2 — Formulae for IL limits for a link . 110
Table A.3 — Formulae for NEXT limits for a link. 111
Table A.4 — Formulae for PSNEXT limits for a link . 112
Table A.5 — Formulae for ACR-F limits for a link . 113
Table A.6 — Formulae for PSACR-F limits for a link . 115
Table A.7 — DCLR limits for a link . 116
Table A.8 — d.c. resistance unbalance limits for a link . 117
Table A.9 — Propagation delay formulae for a link . 118
Table A.10 — Delay skew formulae for a link . 119
Table A.11 — Formulae for IL limits for a link . 120
Table B.1 — RL limits for a permanent link at key frequencies . 122
Table B.2 — IL limits for a permanent link at key frequencies . 123
Table B.3 — NEXT limits for a permanent link at key frequencies . 123
Table B.4 — PSNEXT limits for a permanent link at key frequencies . 124
Table B.5 — ACR-N limits for a permanent link at key frequencies . 124
Table B.6 — PSACR-N limits for a permanent link at key frequencies . 125
Table B.7 — ACR-F limits for a permanent link at key frequencies . 125
Table B.8 — PSACR-F limits for a permanent link at key frequencies . 126
Table B.9 — DCLR limits for a permanent link. 126
Table B.10 — Propagation delay limits for a permanent link at key frequencies . 127
Table B.11 — Delay skew limits for a permanent link . 127
Table B.12 — IL limits for a permanent link at key frequencies . 128
Table B.13 — DCLR limits for a permanent link. 128
Table C.1 — Cabled multimode optical fibre performance requirements . 129
Table C.2 — Supported generic ICT applications and maximum channel lengths . 130
Table C.3 — Supported data centre applications and maximum channel lengths . 131
Table C.4 — Supported monitoring and control applications and maximum channel lengths . 131
Table D.1 — Formulae for RL limits for connecting hardware . 132
Table D.2 — RL limits for connecting hardware at key frequencies . 133
Table D.3 — Formulae for IL limits for connecting hardware . 133
Table D.4 — IL limits for connecting hardware at key frequencies . 134
Table D.5 — Formulae for NEXT limits for connecting hardware . 134
Table D.6 — NEXT limits for connecting hardware at key frequencies . 135
Table D.7 — Formulae for PSNEXT limits for connecting hardware . 135
Table D.8 — PSNEXT limits for connecting hardware at key frequencies . 136
Table D.9 — Formulae for FEXT limits for connecting hardware. 136
Table D.10 — FEXT limits for connecting hardware at key frequencies . 137
Table D.11 — Formulae for PSFEXT limits for connecting hardware . 137
Table D.12 — PSFEXT limits for connecting hardware at key frequencies . 138
Table D.13 — Input to output resistance limits for connecting hardware at key frequencies . 138
Table D.14 — Input to output resistance unbalance limits for connecting hardware at key frequencies . 139
Table D.15 — Current carrying capacity limits for connecting hardware at key frequencies . 139
Table D.16 — Propagation delay limits for connecting hardware . 140
Table D.17 — Delay s
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