SIST-TP CLC/TR 50173-99-3:2012
(Main)Information technology - Generic cabling systems - Part 99-3: Home cabling infrastructures up to 50 m in length to support simultaneous and non simultaneous provision of applications
Information technology - Generic cabling systems - Part 99-3: Home cabling infrastructures up to 50 m in length to support simultaneous and non simultaneous provision of applications
This draft Technical Report describes a grading system applicable to telecommunications cabling within homes which provides a range of implementation solutions to support both non-simultaneous and simultaneous provision of applications incorporating:
a) a cabling structure in accordance with, but less complex than that of, EN 50173-4 and with defined connecting hardware pin assignment for certain applications;
b) components meeting or exceeding the requirements of EN 50173-4;
c) shorter cabling channels than those specified in EN 50173-4.
Safety (electrical safety and protection, optical power, fire, etc.) and electromagnetic compatibility (EMC) requirements are outside the scope of this Technical Report and are covered by standards and regulations. However information given in this Technical Report may be of assistance in meeting these standards and regulations.
Informationstechnik - Anwendungsneutrale Kommunikationskabelanlagen - Teil 99-3: Infrastruktur von Heimverkabelungen bis zu 50 m Länge zur gleichzeitigen oder nicht-gleichzeitigen Bereitstellung von Netzanwendungen
Dieser Technische Berichtsentwurf beschreibt ein System von Klassen, das auf die Telekommuni¬kationsverkabelung in Wohnungen anwendbar ist und das eine Reihe von Ausführungslösungen zur Unterstützung von sowohl nicht-gleichzeitiger wie auch gleichzeitiger Bereitstellung von Netzanwendungen anbietet einschließlich:
a) einer Verkabelungsinfrastruktur nach EN 50173-4 (aber weniger komplex als diese) und mit einer definierten Stiftzuordnung der Verbindungstechnik für bestimmte Netzan¬wen¬dungen;
b) Komponenten, welche die Anforderungen EN 50173-4 einhalten oder übertreffen;
c) kürzere Übertragungsstrecken als in EN 50173-4 festgelegt.
Anforderungen an Sicherheit (elektrische Sicherheit und Schutz vor Zerstörung, optische Leistung, Feuer usw.) und elektromagnetische Verträglichkeit (EMV) gehören nicht zum Anwendungsbereich dieses Technischen Berichtes und werden von Normen und Vorschriften behandelt. Jedoch kann die in diesem Technischen Bericht gegebene Information bei der Einhaltung dieser Normen und Vorschriften hilfreich sein.
Technologies de l’information - Systèmes de câblage générique - Partie 99-3: Infrastructure de câblage résidentiel de 50 m de longueur maximale supportant des applications simultanées et non-simultanées
Le présent rapport technique décrit un système de répartition applicable au câblage de télécommunication à l'intérieur des habitations, fournissant une gamme de solutions de mise en œuvre pour prendre en charge la mise en place d'applications non simultanées et simultanées, comportant:
a) une structure de câblage conforme à l'EN 50173 4, mais moins complexe et avec une affectation bien définie des broches du matériel de connexion pour certaines applications.
b) des composants satisfaisant aux exigences de l'EN 50173 4 ou les dépassant;
c) des canaux de câblage plus courts que ceux qui sont spécifiés dans l'EN 50173 4.
Les exigences de sécurité (sécurité électrique et protection, puissance optique, incendie, etc.) et de compatibilité électromagnétique (CEM) ne font pas partie du domaine d'application du présent Rapport technique et sont traitées par des normes et des règlements. Cependant, les informations données dans le présent Rapport technique peuvent aider à l'application de ces normes et réglementations.
Informacijska tehnologija - Univerzalni sistemi pokabljenja - 99-3. del: Infrastruktura pokabljenja bivalnih prostorov v dolžini do 50 m, ki podpira hkratne in nehkratne aplikacije
Ta osnutek tehničnega poročila opisuje sistem razvrščanja za telekomunikacijsko pokabljenje v bivalnih prostorih, ki zagotavlja več izvedbenih rešitev, ki podpirajo hkratne in nehkratne aplikacije, kar vključuje:
a) strukturo pokabljenja v skladu s strukturo iz standarda EN 50173-4, vendar manj kompleksno, in z opredeljeno vezavo zatičev spojne strojne opreme za določene aplikacije;
b) sestavne dele, ki izpolnjujejo ali presegajo zahteve standarda EN 50173-4;
c) krajše sisteme pokabljenja od sistemov, določenih v standardu EN 50173-4.
Varnostne zahteve (električna varnost in zaščita, optična moč, ogenj itd.) in zahteve za elektromagnetno združljivost (EMC) ne spadajo v področje uporabe tega tehničnega poročila ter so zajete v standardih in predpisih. Vendar lahko informacije iz tega tehničnega poročila pripomorejo k izpolnjevanju teh standardov in predpisov.
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
SIST-TP CLC/TR 50173-99-3:2012
01-maj-2012
Informacijska tehnologija - Univerzalni sistemi pokabljenja - 99-3. del:
Infrastruktura pokabljenja bivalnih prostorov v dolžini do 50 m, ki podpira hkratne
in nehkratne aplikacije
Information technology - Generic cabling systems - Part 99-3: Home cabling
infrastructures up to 50 m in length to support simultaneous and non simultaneous
provision of applications
Informationstechnik - Anwendungsneutrale Kommunikationskabelanlagen - Teil 99-3:
Infrastruktur von Heimverkabelungen bis zu 50 m Länge zur gleichzeitigen oder nicht-
gleichzeitigen Bereitstellung von Netzanwendungen
Technologies de l’information - Systèmes de câblage générique - Partie 99-3:
Infrastructure de câblage résidentiel de 50 m de longueur maximale supportant des
applications simultanées et non-simultanées
Ta slovenski standard je istoveten z: CLC/TR 50173-99-3:2012
ICS:
33.040.50 Vodi, zveze in tokokrogi Lines, connections and
circuits
35.110 Omreževanje Networking
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
SIST-TP CLC/TR 50173-99-3:2012 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST-TP CLC/TR 50173-99-3:2012
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SIST-TP CLC/TR 50173-99-3:2012
TECHNICAL REPORT
CLC/TR 50173-99-3
RAPPORT TECHNIQUE
March 2012
TECHNISCHER BERICHT
ICS 35.110
English version
Information technology -
Generic cabling systems -
Part 99-3: Home cabling infrastructures up to 50 m in length to support
simultaneous and non simultaneous provision of applications
Technologies de l’information - Informationstechnik -
Systèmes de câblage générique - Anwendungsneutrale
Partie 99-3: Infrastructure de câblage Kommunikationskabelanlagen -
résidentiel de 50 m de longueur maximale Teil 99-3: Infrastruktur von
supportant des applications simultanées Heimverkabelungen bis zu 50 m Länge
et non-simultanées zur gleichzeitigen oder nicht-gleichzeitigen
Bereitstellung von Netzanwendungen
This Technical Report was approved by CENELEC on 2012-02-20.
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, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland, Turkey and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. CLC/TR 50173-99-3:2012 E
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Contents
Foreword . 3
Intr oduc tion . 4
1 Scope . 5
2 Normative references. 5
3 Terms, definitions and abbreviations . 6
3.1 Terms and definitions . 6
3.2 Abbreviations . 8
4 Cabling infrastructure . 8
4.1 Home cabling in accordance with EN 50173-4 . 8
4.2 Application support . 9
4.3 Home infrastructure grading scheme . 10
4.4 Dimensioning and configuring . 12
4.7 Power supplies . 17
5 Components . 17
5.1 General . 17
5.2 Grade 1 balanced cabling infrastructure . 17
5.3 Grade 3 balanced cabling infrastructure . 18
5.4 Grade 3S balanced cabling infrastructure . 18
5.5 Equipment cords . 18
5.6 Equipment cords for connection to coaxial equipment . 18
5.7 Interface pin allocation to support simultaneously support applications . 18
6 Implementation . 19
Bibliography . 22
Figures
Figure 1 Home cabling for ICT and BCT applications according to EN 50173-4 . 9
Figure 2 Configuration of home cabling to support applications . 10
Figure 3 Schematic of home cabling implementation . 13
Figure 4 Presentation of the AO . 14
Figure 5 Examples of faceplates . 15
Figure 6 Pin grouping and pair assignments for EN 60603-7 series connecting
hardware (front view of connector) . 19
Tables
Table 1 Non-simultaneous application support . 11
Table 2 Simultaneous application support . 11
Table 3 Distribution of AO faceplates . 16
Table 4 Distribution of faceplates containing coaxial interfaces . 17
Table 5 Grade 1 generic cabling components . 17
Table 6 Grade 3 generic cabling components . 18
Table 7 Grade 3S generic cabling components . 18
Table A.1 Summary of television distribution modes . 20
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Foreword
This document (CLC/TR 50173-99-3:2012) has been prepared by CLC/TC 215
"Electrotechnical aspects of telecommunication equipment".
Attention is drawn to the possibility that some of the elements of this document may be the
subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying
any or all such patent rights.
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Introduction
EN 50173-4 specifies generic cabling in homes, installed to support one or more of the
following groups of applications and based upon balanced and coaxial cabling as appropriate:
a) Information and Communication Technologies (ICT);
b) Broadcast and Communication Technologies (BCT);
c) Command, Controls and Communications in Buildings (CCCB).
EN 50083 (all parts) and EN 60728 (all parts) standards deal with cable networks including
equipment and associated methods of measurement for headend reception, processing and
distribution of television signals, sound signals and their associated data signals and for
processing, interfacing and transmitting all kinds of signals for interactive services using all applicable
transmission media including community antenna television (CATV) and master antenna
television/satellite master antenna television (MATV/SMATV) networks.
The EN 50174 series specify the specification, planning and practices applicable to installation
of telecommunications cabling within homes.
This Technical Report describes a grading system applicable to telecommunications cabling
within homes which provides a range of implementation solutions to support both non-
simultaneous and simultaneous provision of applications incorporating:
1) a cabling structure in accordance with, but less complex than that of, EN 50173-4 and with
defined connecting hardware pin assignment for certain applications;
2) components meeting or exceeding the requirements of EN 50173-4;
3) shorter cabling channels than those specified in EN 50173-4 (simultaneous transmission of
telephony and 100BASE-T is supported by the reduced channel attenuation resulting from
the restriction of maximum channel lengths to 50 m).
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1 Scope
This Technical Report describes a grading system applicable to telecommunications cabling
within homes which provides a range of implementation solutions to support both non-
simultaneous and simultaneous provision of applications incorporating:
a) a cabling structure in accordance with, but less complex than that of, EN 50173-4 and with
defined connecting hardware pin assignment for certain applications;
b) components meeting or exceeding the requirements of EN 50173-4;
c) shorter cabling channels than those specified in EN 50173-4.
Safety (electrical safety and protection, optical power, fire, etc.) and electromagnetic
compatibility (EMC) requirements are outside the scope of this Technical Report and are
covered by standards and regulations. However information given in this Technical Report may
be of assistance in meeting these standards and regulations.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and
are indispensable for its application. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
1)
EN 50XXX , Information technology Access network cabling within multi-subscriber
premises to support deployment of optical broadband networks
EN 50173-1:2011, Information technology Generic cabling systems Part 1: General
requirements
EN 50173-4, Information technology Generic cabling systems Part 4: Homes
EN 50174-1, Information technology Cabling installation Part 1: Installation specification
and quality assurance
EN 50174-2, Information technology Cabling installation Part 2: Installation planning and
practices inside buildings
1)
EN 50174-3 , Information technology Cabling installation Part 3: Installation planning
and practices outside buildings
EN 50288-4-1, Multi-element metallic cables used in analogue and digital communication and
control Part 4-1: Sectional specification for screened cables characterised up to 600 MHz
Horizontal and building backbone cables
1)
EN 50407-2 , Multi-pair cables used in high bite rate digital access telecommunication
networks – Part 2: Indoor multi-pair/quad cables for installation in Multi Dwelling Units shaft
supporting universal services, xDSL and applications up to 100 MBits over IP
EN 50441-1, Cables for indoor residential telecommunication installations Part 1:
Unscreened cables Grade 1
EN 50441-2, Cables for indoor residential telecommunication installations Part 2: Screened
cables Grade 2
EN 50441-4, Cables for indoor residential telecommunication installations Part 4: Cables up
to 1 200 MHz Grade 3
1) At draft stage.
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EN 60603-7-2, Connectors for electronic equipment Part 7-2: Detail specification for 8-way,
unshielded, free and fixed connectors, for data transmissions with frequencies up to 100 MHz
(IEC 60603-7-2)
EN 60603-7-3, Connectors for electronic equipment Part 7-3: Detail specification for 8 way,
shielded, free and fixed connectors, for data transmissions with frequencies up to 100 MHz
(IEC 60603-7-3)
EN 60603-7-5, Connectors for electronic equipment Part 7-5: Detail specification for 8-way,
shielded, free and fixed connectors, for data transmissions with frequencies up to 250 MHz
(IEC 60603-7-5)
EN 60603-7-7, Connectors for electronic equipment Part 7-7: Detail specification for 8-way,
shielded, free and fixed connectors for data transmission with frequencies up to 600 MHz
(IEC 60603-7-7)
EN 60603-7-51, Connectors for electronic equipment Part 7-51: Detail specification for 8-
way, shielded, free and fixed connectors, for data transmissions with frequencies up to
500 MHz (IEC 60603-7-51)
EN 60603-7-71, Connectors for electronic equipment Part 7-71: Detail specification for 8-
way, shielded, free and fixed connectors, for data transmission with frequencies up to
1 000 MHz (IEC 60603-7-71)
EN 60794 (series), Optical fibre cables (IEC 60794 series)
EN 61076-3-104, Connectors for electronic equipment Product requirements Part 3-104:
Detail specification for 8-way, shielded free and fixed connectors for data transmissions with
frequencies up to 1 000 MHz (IEC 61076-3-104)
EN 61169-2, Radio-frequency connectors Part 2: Sectional specification Radio frequency
coaxial connectors of type 9,52 (IEC 61169-2)
EN 61169-24, Radio-frequency connectors Part 24: Sectional specification Radio
frequency coaxial connectors with screw coupling, typically for use in 75 ohm cable networks
(type F) (IEC 61169-24)
3 Terms, definitions and abbreviations
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply in addition to
those of EN 50173-4 and the EN 50174 series of standards.
3.1.1
access network
functional elements (equipment and infrastructure) that enable communication between the
core network and a customer network
[SOURCE: EN 50174-3:201X, 3.1.1]
3.1.2
access provider
operator of any facility that is used to convey telecommunications signals to and from a
customer premises
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3.1.3
building network interface
interface between external network and the building network within a multi-dwelling building for
the network for the transmission of television signal, sound signals and interactive services
Note 1 to entry: This point is also called “transfer point” or “external network interface”
[SOURCE: CLC/TR 50173-99-2:2010, 3.1.3]
3.1.4
community antenna television
system which is designed to provide sound and television signals received by terrestrial,
satellite antennas or provided by locally generated sources to the outlets of a large group of
buildings
[SOURCE: CLC/TR 50173-99-2:2010, 3.1.4]
3.1.5
equipment cord
terminated cable for inter-connection of equipment to the cabling infrastructure within the home
Note 1 to entry: In addition to the cable, an equipment cord may include filters and baluns.
3.1.6
external network interface
ENI
termination point providing external network demarcation
[SOURCE: EN 50173-1:2011, 3.1.37]
3.1.7
external service provider
operator of any service that furnishes telecommunications content (transmissions) delivered
over access provider facilities
3.1.8
home network interface
HNI
interface for access to the network for transmission of television signal, sound signals and
interactive services inside a home (single dwelling)
[SOURCE: CLC/TR 50173-99-2:2010, 3.1.7]
3.1.9
non-simultaneous application provision
use of a multi-pair balanced cabling permanent link to provide two or more applications but not
at the same time
3.1.10
patch cord
cord used to establish connections on a patch panel
[SOURCE: EN 50173-1:2011, 3.1.56]
3.1.11
simultaneous application provision
use of a multi-pair balanced cabling permanent link to provide two or more applications at the
same time
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3.2 Abbreviations
For the purposes of this document, the following abbreviations apply in addition to those of
EN 50173-4 and the EN 50174 series of standards.
ADSL asymmetric digital subscriber line
AO application outlet
DSL digital subscriber line
DVB-T Digital Video Broadcast - Terrestrial
EMC electromagnetic compatibility
ENI external network interface
ffs for further study
HF high frequency (5 MHz to 30 MHz)
HNI home network interface
ISDN integrated service digital network
PoE power over Ethernet (IEEE 802.3at)
SIF satellite intermediate frequency (950 MHz to 2 150 MHz)
VDSL very high bit rate digital subscriber line
VHF very high frequency (30 MHz to 300 MHz)
UHF ultra high frequency (300 MHz to 3 000 MHz)
4 Cabling infrastructure
4.1 Home cabling in accordance with EN 50173-4
EN 50173-4 defines two generic cabling structures (see Figure 1) to support the delivery of ICT
and BCT applications within the home:
a) between the home distributor (HD) and a telecommunications outlet (TO) for the delivery of
those services using ICT applications over balanced or optical fibre cabling;
b) between the HD and a broadcast outlet (BO) for the delivery of those services using BCT
applications over either coaxial (BCT-C) or balanced (BCT-B) cabling.
NOTE The inclusion of optical fibre to deliver BCT applications may be included in
EN 50173-4:2007/A2:201X.
For the purposes of this Technical Report, a more general term Application Outlet (AO) is used
to describe a balanced cabling outlet that supports simultaneous and non-simultaneous
provision of multiple ICT and BCT applications.
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ChChaannnneell
PPeerrmmananenentt l liinnkk
ICICTT
aappppliclicaattioionn
HDHD
CC TETE
EQEQPP CC CC CC
TOTO
BCBCTT
aappppliclicaattioionn
HDHD
EQEQPP CC CC CC CC TETE
BOBO
PPrriimmararyy di dissttrriibutbutiion son sppacacee
Figure 1 Home cabling for ICT and BCT applications according to EN 50173-4
CLC/TR 50173-99-2 provides additional detail regarding the implementation of BCT-C and
BCT-B cabling for applications in accordance with the EN 60728 series of standards.
Figure 1 shows the connection of the cabling to equipment at the HD. Alternatively, the cabling
may be connected directly to an external network interface (ENI) as described in EN 50173-4
which may be accommodated in the primary distribution space or home entrance space (see
EN 50174-2). In the case of BCT applications, this is more accurately described as a Home
Network Interface (HNI) as described in CLC/TR 50173-99-2.
The ENI is connected via application-specific network access cabling (see 4.4.3) to:
1) other equipment within the home (e.g. a satellite antenna);
2) other equipment within the access network;
3) within multi-tenant premises, to a building network interface within a building entrance
space.
The signal levels at HNIs are assumed to meet the requirements of EN 60728-1.
4.2 Application support
The balanced cabling for BCT applications specified in EN 50173-4 assumes a single-pair
implementation. The balanced cabling for ICT applications specified in EN 50173-4 assumes a
multi-pair implementation but is “not guaranteed to support the simultaneous transmission of
different applications … within a cable or at an interface to the generic cabling” and that “the
sharing of components by applications … may require additional performance requirements to
be applied.” This applies to simultaneous provision of two identical applications or of different
applications.
The specification of multi-pair balanced cabling to support the simultaneous provision of
multiple ICT and BCT applications requires a modification of the implementations specified in
EN 50173-4.
For example, the BCT applications providing radiofrequency transmission in the very high
frequency and ultra high frequency (VHF/UHF) bands of analogue television and terrestrial
digital video broadcast (DVB-T) use signal voltages in the mV range. In comparison, ICT
applications use signal voltages of the order of 1 V. As a result specific provisions are needed
to avoid electromagnetic disturbance on BCT applications.
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In order to support ICT applications in addition to those of EN 50173-4 and to support
simultaneous provision of specific combinations of those applications (as shown in Figure 2),
this Technical Report specifies an infrastructure grading scheme utilising:
a) a cabling structure in accordance with, but less complex than that of, EN 50173-4 and with
defined connecting hardware pin assignment for certain applications;
b) components meeting or exceeding the requirements of EN 50173-4;
c) shorter cabling channels than those specified in EN 50173-4 (simultaneous transmission of
telephony and 100BASE-T is supported by the reduced channel attenuation resulting from
the restriction of maximum channel lengths to 50 m).
HDHD
EQEQPP o orr
22 p paairir a appppliclicaattioionn
CC CC TETE
ENENII
EQEQPP o orr
11 p paairir a appppliclicaattioionn
CC TETE
CC CC CC
ENENII
EQEQPP o orr
11 p paairir a appppliclicaattioionn
CC CC TETE
ENENII
EQEQPP o orr
44 p paairir a appppliclicaattioionn
CC CC CC CC TETE
ENENII
AOAO
PPrriimmaryary di dissttrriibubuttiion son sppaaccee
NOTE Connection to ENI via appropriate network access cabling.
See EN 50173-4 and CLC/TR 50173-99-2 for details.
Figure 2 Configuration of home cabling to support simultaneous and non-
simultaneous provision of ICT and BCT applications
4.3 Home infrastructure grading scheme
4.3.1 Infrastructure grades
In order to support a range of specific combinations of non-simultaneous and simultaneous
application support as described in Table 1 and Table 2, this Technical Report specifies a
home cabling infrastructure grading scheme as follows:
a) Grade 1 (see 4.3.2);
b) Grade 3 (see 4.3.3);
c) Grade 3S (see 4.3.4);
Any of the above infrastructure grades may be supplemented by optical fibre cabling in
accordance with EN 50173-4 (included in Table 1 and Table 2).
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Table 1 Non-simultaneous application support
Application Application Grade 1 Grade 3 Grade 3S Optical fibre
Class
(EN 50173-1)
Class A Analogue Y Y Y N
telephony
Class B ISDN Y Y Y Y
Class D 100BASE-T Y Y Y Y
Class D 1000BASE-T Y Y Y Y
a
Y Y Y N
PoE
ADSL Y Y Y ffs
Class D VDSL Y Y Y ffs
VHF/UHF N Y Y Y
television
SIF television N N N Y
a
In conjunction with 100BASE-T or 1000BASE-T.
Table 2 Simultaneous application support
Infrastructure Simultaneously supported applications
Grade
ICT BCT
1,2
Grade 1 Analogue 100BASE-T -
telephony
ADSL
ISDN
1,2
Grade 3 Analogue 100BASE-T -
telephony or
- VHF/UHF
VDSL
television
1,2
Grade 3S Analogue 100BASE-T VHF/UHF
telephony or television
VDSL
Optical fibre Analogue 1000BASE- VHF/UHF
telephony SX/LX television
1
PoE (IEEE 802.3at) is supported by the provision of additional
cabling.
2
1000BASE-T is supported by the provision of additional cabling.
4.3.2 Grade 1 balanced cabling infrastructure
The Grade 1 infrastructure comprises 4-pair balanced cabling suitable for ICT applications
(e.g. telephony, ADSL, ISDN, Ethernet) which may provide ICT services (e.g. voice
communication, internet) and BCT services (e.g. IPTV).
Simultaneous application support over the 4-pair balanced cabling is provided for the ICT
applications detailed in Table 2.
NOTE The simultaneous support for 100BASE-T and analogue telephony assumes that the primary distribution
space and the equipment at the TO(s) have a common earthing system.
The provision of applications using 4-pairs, such as 1000BASE-T or Power over Ethernet
(PoE), requires additional cabling to be installed.
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Grade 1 infrastructures do not support sound and television broadcasting and data streaming
channels in the UHF/VHF and SIF bands, which are required to be distributed using a coaxial
cabling overlay in accordance with EN 50173-4 and CLC/TR 50173-99-2 as appropriate.
4.3.3 Grade 3 balanced cabling infrastructure
The Grade 3 balanced cabling infrastructure is suitable for all the applications supported by
Grade 1 infrastructure together with the distribution of sound and television broadcasting and
data streaming channels in the VHF/UHF band applications reaching frequencies of up to
900 MHz, such as described in the EN 50083 and EN 60728 standard series, respectively.
Simultaneous application support over the 4-pair balanced cabling is provided for either:
a) analogue telephony or VDSL (including analogue telephony) and 100BASE-T
NOTE 1 The simultaneous support for 100BASE-T and analogue telephony assumes that the primary
distribution space and the equipment at the TO(s) have a common earthing system.
or
b) analogue telephony or VDSL (including analogue telephony) and VHF/UHF television.
NOTE 2 The simultaneous support for 100BASE-T and VHF/UHF television is not guaranteed using Grade
3 infrastructures but may be possible. Annex B contains information that may be useful in assessing possible
support.
The provision of applications using 4-pairs, such as 1000BASE-T or Power over Ethernet
(PoE), requires additional cabling to be installed.
Grade 3 infrastructures do not support sound and television broadcasting and data streaming
channels in the SIF band (950 MHz to 2150 MHz), which are required to be distributed using a
coaxial cabling overlay in accordance with EN 50173-4 and CLC/TR 50173-99-2 as
appropriate.
4.3.4 Grade 3S balanced cabling infrastructure
The Grade 3S balanced cabling infrastructure is suitable for all the applications supported by
Grade 1 infrastructure together with the distribution of sound and television broadcasting and
data streaming channels in the VHF/UHF band applications reaching 862 MHz, such as
described in the EN 50083 and EN 60728 standard series, respectively.
Simultaneous application support is provided over the 4-pair balanced cabling for analogue
telephony or VDSL (including analogue telephony), 100BASE-T and VHF/UHF television
NOTE The simultaneous support for 100BASE-T and analogue telephony assumes that the primary distribution
space and the equipment at the TO(s) have a common earthing system.
The provision of applications using 4-pairs, such as 1000BASE-T or Power over Ethernet
(PoE), requires additional cabling to be installed.
Grade 3S infrastructures do not support sound and television broadcasting and data streaming
channels in the SIF band (950 MHz to 2150 MHz), which are required to be distributed using a
coaxial cabling overlay in accordance with EN 50173-4 and CLC/TR 50173-99-2 as
appropriate.
4.4 Dimensioning and configuring
4.4.1 Home entrance and primary distribution space
4.4.1.1 Requirements
The home entrance shall be in accordance with the requirements of EN 50174-2.
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The dimensions of the primary distribution space, housing the home distributor, shall be in
accordance with the requirements of EN 50174-2. The primary distribution space may be co-
located with the home entrance.
The ENI(s) for the services provided to the home (see 4.1) shall be located in the primary
distribution space or the home entrance. Surge protection devices, if required following a risk
assessment, shall be installed in close proximity to the relevant ENI.
The location of a primary distribution space shall allow the provision of an appropriate power
supply (see 4.7).
4.4.1.2 Recommendations
No recommendations.
4.4.2 Distributors
The cabling within the home adopts a star topology from the HD to the AO in accordance with
the cabling structure of EN 50173-4.
The channel length between equipment in the primary distribution space of the home and tha
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