SIST EN IEC 60728-101-2:2024

SLOVENSKI STANDARD
01-april-2024
Kabelska omrežja za televizijske in zvokovne signale ter interaktivne storitve - 101-
2. del: Zahteve za zmogljivost za signale na izhodu sistema pri delovanju pod
obremenitvijo vseh digitalnih kanalov (IEC 60728-101-2:2023)
Cable networks for television signals, sound signals and interactive services - Part 101-
2: Performance requirements for signals delivered at the system outlet in operation with
all-digital channels load (IEC 60728-101-2:2023)
Kabelnetze für Fernsehsignale, Tonsignale und interaktive Dienste - Teil 101-2:
Anforderungen für Signale an der Teilnehmeranschlussdose im Betrieb mit rein digitaler
Kanallast (IEC 60728-101-2:2023)
Réseaux de distribution par câbles pour signaux de télévision, signaux de radiodiffusion
sonore et services interactifs - Partie 101-2: Exigences de performance relatives aux
signaux délivrés à la prise d'abonné en fonctionnement sous une charge de porteuses
exclusivement numériques (IEC 60728-101-2:2023)
Ta slovenski standard je istoveten z: EN IEC 60728-101-2:2023
ICS:
33.040.20 Prenosni sistem Transmission systems
33.160.01 Avdio, video in avdiovizualni Audio, video and audiovisual
sistemi na splošno systems in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60728-101-2

NORME EUROPÉENNE
EUROPÄISCHE NORM July 2023
ICS 33.040.20; 33.160.01
English Version
Cable networks for television signals, sound signals and
interactive services - Part 101-2: Performance requirements for
signals delivered at the system outlet in operation with all-digital
channels load
(IEC 60728-101-2:2023)
Réseaux de distribution par câbles pour signaux de Kabelnetze für Fernsehsignale, Tonsignale und interaktive
télévision, signaux de radiodiffusion sonore et services Dienste - Teil 101-2: Anforderungen für Signale an der
interactifs - Partie 101-2: Exigences de performance Teilnehmeranschlussdose im Betrieb mit rein digitaler
relatives aux signaux délivrés à la prise d'abonné en Kanallast
fonctionnement sous une charge de porteuses (IEC 60728-101-2:2023)
exclusivement numériques
(IEC 60728-101-2:2023)
This European Standard was approved by CENELEC on 2023-07-12. 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 IEC 60728-101-2:2023 E

European foreword
The text of document 100/3903/FDIS, future edition 1 of IEC 60728-101-2, prepared by IEC/TC 100
"Audio, video and multimedia systems and equipment" was submitted to the IEC-CENELEC parallel
vote and approved by CENELEC as EN IEC 60728-101-2:2023.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-04-12
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2026-07-12
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
This document is read in conjunction with EN 60728-101:2017.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60728-101-2:2023 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 60728-1-2 NOTE Approved as EN 60728-1-2
IEC 60728-10 NOTE Approved as EN 60728-10
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1  Where an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60728-101 2016 Cable networks for television signals, EN 60728-101 2017
sound signals and interactive services -
Part 101: System performance of forward
paths loaded with digital channels only
- - AC 2017-
IEC 60728-101-1 2023 Cable networks for television signals, EN IEC 60728-101-1 2023
sound signals and interactive services -
Part 101-1: RF cabling for two-way home
networks with all-digital channels load
IEC 60728-3 2017 Cable networks for television signals, EN IEC 60728-3 2018
sound signals and interactive services -
Part 3: Active wideband equipment for
cable networks
IEC 60966-2-4 - Radio frequency and coaxial cable EN 60966-2-4 -
assemblies - Part 2-4: Detail specification
for cable assemblies for radio and TV
receivers - Frequency range 0 MHz to 3
000 MHz, IEC 61169-2 connectors
IEC 60966-2-5 - Radio frequency and coaxial cable EN 60966-2-5 -
assemblies - Part 2-5: Detail specification
for cable assemblies for radio and TV
receivers - Frequency range 0 MHz to 1
000 MHz, IEC 61169-2 connectors
IEC 60966-2-6 - Radio frequency and coaxial cable EN 60966-2-6 -
assemblies - Part 2-6: Detail specification
for cable assemblies for radio and TV
receivers - Frequency range 0 MHz to 3
000 MHz, IEC 61169-24 connectors

IEC 60728-101-2 ®
Edition 1.0 2023-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Cable networks for television signals, sound signals and interactive services –
Part 101-2: Performance requirements for signals delivered at the system outlet
in operation with all-digital channels load
Réseaux de distribution par câbles pour signaux de télévision, signaux de
radiodiffusion sonore et services interactifs –
Partie 101-2: Exigences de performance relatives aux signaux délivrés à la prise
d'abonné en fonctionnement sous une charge de porteuses exclusivement
numériques
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.040.20, 33.160.01 ISBN 978-2-8322-7111-7
– 2 – IEC 60728-101-2:2023 © IEC 2023
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 8
3 Terms, definitions, symbols and abbreviated terms . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms . 17
4 Methods of measurement . 18
5 Summation of the impairments . 18
5.1 Impairments to be summed . 18
5.2 Summation laws . 18
5.2.1 General . 18
5.2.2 Voltage addition . 18
5.2.3 Power addition . 19
5.3 Examples . 19
6 Performance requirements in operation . 20
6.1 General . 20
6.2 Impedance . 20
6.3 Performance requirements at the terminal input . 20
6.3.1 Definition . 20
6.3.2 Signal level . 20
6.3.3 Other parameters . 21
6.4 Performance requirements at system outlets . 21
6.4.1 Minimum and maximum signal levels . 21
6.4.2 Mutual isolation between system outlets . 21
6.4.3 Isolation between individual outlets in one household . 21
6.4.4 Isolation between forward and return path . 21
6.4.5 Long-term frequency stability of distributed signals at any system outlet . 21
6.4.6 RF signal level differences at system outlet . 21
6.4.7 Frequency response within a television channel . 21
6.4.8 Random noise at system outlet . 21
6.4.9 Interference to television channels. 24
6.5 Additional performance requirements . 25
6.5.1 DVB (PSK, QAM, OFDM) performance . 25
6.5.2 DAB performance . 25
Annex A (informative) Examples of summation of impairments . 26
A.1 Voltage addition . 26
A.2 Power addition . 26
Bibliography . 28

Figure 1 – CATV/MATV/SMATV cable network – Performance requirements . 8
Figure 2 – Examples of location of HNI for various home network types . 13

IEC 60728-101-2:2023 © IEC 2023 – 3 –
Table 1 – RF signal-to-intermodulation and noise ratios at system outlet in operation . 22
Table 2 – Signal-to-intermodulation and noise ratios at system outlet (sound radio) in
operation . 24
Table 3 – Modulation error ratio (MER) of DVB signals in operation . 25
Table A.1 – Examples of voltage addition . 26
Table A.2 – Examples of power addition . 27

– 4 – IEC 60728-101-2:2023 © IEC 2023
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CABLE NETWORKS FOR TELEVISION SIGNALS,
SOUND SIGNALS AND INTERACTIVE SERVICES –

Part 101-2: Performance requirements for signals delivered at
the system outlet in operation with all-digital channels load

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
IEC 60728-101-2 has been prepared by technical area 5: Cable networks for television signals,
sound signals and interactive services, of IEC technical committee 100: Audio, video and
multimedia systems and equipment. It is an International Standard.
This International Standard is to be used in conjunction with IEC 60728-101:2016.
The text of this International Standard is based on the following documents:
Draft Report on voting
100/3903/FDIS 100/3944/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
IEC 60728-101-2:2023 © IEC 2023 – 5 –
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/publications.
A list of all parts of the IEC 60728 series, under the general title Cable networks for television
signals, sound signals and interactive services, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
– 6 – IEC 60728-101-2:2023 © IEC 2023
INTRODUCTION
Standards and deliverables of the IEC 60728 series deal with cable networks including
equipment and associated methods of measurement for headend reception, processing and
distribution of television and sound signals and for processing, interfacing and transmitting all
kinds of data signals for interactive services using all applicable transmission media. These
signals are typically transmitted in networks by frequency-multiplexing techniques.
This includes for instance
• regional and local broadband cable networks,
• extended satellite and terrestrial television distribution systems,
• individual satellite and terrestrial television receiving systems,
and all kinds of equipment, systems and installations used in such cable networks, distribution
and receiving systems.
The extent of this standardization work is from the antennas and/or special signal source inputs
to the headend or other interface points to the network up to the terminal input of the customer
premises equipment.
The standardization work will consider coexistence with users of the RF spectrum in wired and
wireless transmission systems.
The standardization of any user terminals (i.e. tuners, receivers, decoders, multimedia terminals,
etc.) as well as of any coaxial, balanced and optical cables and accessories thereof is excluded.
The reception of television signals inside a building requires an outdoor antenna and a
distribution network to convey the signal to the TV receivers.
This part of IEC 60728 deals with the requirements that are to be fulfilled at the system outlet
or terminal input, when the CATV/MATV/SMATV system is in operation.
These performance requirements for signals at the system outlet or terminal input in operation
are derived from considerations of the characteristics of the received signals at the input of the
headend (see IEC 60728-101:2016, Clause 6) and the summation of the impairments produced
by the headend, the CATV/MATV/SMATV network and the home network, when the
requirements given in IEC 60728-101 and IEC 60728-101-1 are fulfilled.
This document gives the guidelines for calculation of the operational characteristics at system
outlet, taking into account the performance requirements of the CATV/MATV/SMATV network,
of the home networks and of the received signals, given in IEC 60728-101 and IEC 60728-101-1.
This document considers digital signals only and is based on IEC 60728-101 dealing with
system performance of forward paths loaded with digital channels only. For performance
requirements for analogue signals delivered at the system outlet in operation, refer to
IEC 60728-1-2.
Although the upper frequency range of terrestrial broadcast signals depends on the allocation
frequency plan of each region (e.g. in Europe it is 694 MHz, the 700 MHz and 800 MHz bands
being assigned to telecommunication services), the upper frequency range into the cable
networks can be maintained at 862 MHz in order to maximise the number of channels distributed
in the cable networks, assuming that sufficient immunity (screening efficiency) to signals
radiated in the 700 MHz and 800 MHz bands is provided.

IEC 60728-101-2:2023 © IEC 2023 – 7 –
CABLE NETWORKS FOR TELEVISION SIGNALS,
SOUND SIGNALS AND INTERACTIVE SERVICES –

Part 101-2: Performance requirements for signals delivered at
the system outlet in operation with all-digital channels load

1 Scope
This part of IEC 60728-101 provides the minimum performance requirements to be fulfilled in
operation at the system outlet or terminal input and describes the summation criteria for the
impairments present in the received signals and those produced by the CATV/MATV/SMATV
cable network, including individual receiving systems.
NOTE 1 When a change of signal format is made at the headend, the summation of the impairments does not apply
(see also Clause 6).
In a building divided into apartment blocks, the signals received by the antennas are distributed
by the MATV/SMATV cable network up to the home network interface (HNI); the television
signals are then distributed (inside the home) by home networks (HN) of various types up to the
system outlet or terminal input. The cable network can support two-way operation, from the
system outlet (or terminal input) towards the headend.
The home network can use coaxial cables, balanced pair cables, fibre optic cables (glass or
plastic) and also wireless links inside a room (or a small number of adjacent rooms) to replace
wired cords.
This part of IEC 60728 is limited to downstream TV broadcast signals received from antennas
and is applicable to cable networks intended for television signals, sound signals and interactive
services operating between about 5 MHz and 3 300 MHz. The frequency range is extended to
6 000 MHz for home distribution techniques that replace wired cords with a wireless two-way
communication inside a room (or a small number of adjacent rooms) that uses the 5 GHz to
6 GHz frequency band.
Figure 1 shows the main sections of a general CATV/MATV/SMATV system, indicating the parts
of the IEC 60728-101 series documents where the relevant performance requirements are
indicated.
• The requirements for the signals received at the headend are given in IEC 60728-101:2016,
Clause 6.
• The requirements for the CATV/MATV/SMATV cable network, assuming an unimpaired input
signal at the input of the headend, up to the system outlet are given in IEC 60728-101:2016,
Clause 5.
• The requirements for the CATV/MATV/SMATV cable network up to the home network
interface (HNI) are given in IEC 60728-101:2016, Clause 7, assuming an unimpaired input
signal at the input of the headend.
• The specific requirements from HNI to the system outlet or terminal input are given in
IEC 60728-101-1:2023, Clause 5, assuming an unimpaired input signal at the HNI.
• The requirements at the system outlet in operation are given in Clause 6 of this document.
The expression "in operation" means that the received signals, with their impairments, are
applied to the headend input of the CATV/MATV/SMATV cable network. The requirements at
the system outlet "in operation" are derived, therefore, by summing the impairments of the
various cascaded parts of the system and of the input signal.

– 8 – IEC 60728-101-2:2023 © IEC 2023
When a change of signal format from digital to digital (e.g. from QPSK to QAM) (e.g. as in
ETSI EN 300 473) or from digital to analogue (e.g. from DVB-S/S2 to AM-VSB or DVB-T/T2 to
AM-VSB) is made at the headend, the summation of the impairments that produce a relaxation
of requirements at system outlet does not apply. Such a case will be the equivalence of
unimpaired signals applied at the headend input. Therefore, the requirements at system outlet
given in IEC 60728-1 apply.
Diagram of the main sections of a CATV/MATV/SMATV cable network and the relevant parts of the IEC 60728-101
series where the requirements are indicated.
Figure 1 – CATV/MATV/SMATV cable network – Performance requirements
This document also provides references for the basic methods of measurement of the
operational characteristics of the downstream cable network in order to assess its performance.
All requirements refer to the performance limits to be achieved in operation at any system outlet
when terminated in a resistance equal to the nominal load impedance of the system, unless
otherwise specified. Where system outlets are not used, the above applies to the terminal input.
The present document also provides limits for the accumulation of degradations if the home
network is subdivided into a number of parts, using different transmission media (e.g. coaxial
cabling, balanced cabling, optical cabling, wireless links).
NOTE 2 Performance requirements of return paths as well as special methods of measurement for the use of the
return paths in cable networks are described in IEC 60728-10.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60728-101:2016, Cable networks for television signals, sound signals and interactive
services – Part 101: System performance of forward paths loaded with digital channels only
IEC 60728-101-1:2023, Cable networks for television signals, sound signals and interactive
services – Part 101-1: RF cabling for two-way home networks with all-digital channels load

IEC 60728-101-2:2023 © IEC 2023 – 9 –
IEC 60728-3:2017, Cable networks for television signals sound signals and interactive services
– Part 3: Active wideband equipment for coaxial cable networks
IEC 60966-2-4, Radio frequency and coaxial cable assemblies – Part 2-4: Detail specification
for cable assemblies for radio and TV receivers – Frequency range 0 MHz to 3 000 MHz,
IEC 61169-2 connectors
IEC 60966-2-5, Radio frequency and coaxial cable assemblies – Part 2-5: Detail specification
for cable assemblies for radio and TV receivers – Frequency range 0 MHz to 1 000 MHz,
IEC 61169-2 connectors
IEC 60966-2-6, Radio frequency and coaxial cable assemblies – Part 2-6: Detail specification
for cable assemblies for radio and TV receivers – Frequency range 0 MHz to 3 000 MHz,
IEC 61169-24 connectors
3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following
addresses:
• IEC Electropedia: available at https://www.electropedia.org/
• ISO Online browsing platform: available at https://www.iso.org/obp
3.1.1
active home network
home network that uses active equipment (for example, amplifiers) in addition to passive
equipment such as splitters, taps, system outlets, cables and connectors up to the coaxial RF
interface (input and/or output) of the terminal equipment for distributing and combining RF
signals
[SOURCE: IEC 60728-1:2014, 3.1.2]
3.1.2
antenna
part of a radio transmitting or receiving system which is designed to provide the required
coupling between a transmitter or a receiver and the medium in which the radio wave
propagates
Note 1 to entry: In practice, the terminals of the antenna or the points to be considered as the interface between
the antenna and the transmitter or receiver are specified.
Note 2 to entry: If the transmitter or receiver is connected to its antenna by a feeder line, the antenna is considered
to be a transducer between the guided radio waves of the feeder line and the radiated waves in space.
Note 3 to entry: See also IEC 60728-1:2014, 3.1.3, IEC 60728-1-1:2014, 3.1.2 and IEC 60728-1-2:2014, 3.1.2.
[SOURCE: IEC 60050-712:1992, 712-01-01, modified – The deprecated term "aerial" has been
deleted, in Note 1 to entry "should be specified" has been replaced by "are specified", Note 2
to entry has been clarified and a Note 3 to entry giving additional references has been added.]

– 10 – IEC 60728-101-2:2023 © IEC 2023
3.1.3
attenuation
ratio of the input power to the output power of equipment or a system
Note 1 to entry: The ratio is expressed in decibels.
[SOURCE: IEC 60728-1:2014, 3.1.5]
3.1.4
balun
device for transforming an unbalanced voltage to a balanced voltage or vice-versa
Note 1 to entry: The term is derived from "balanced to unbalanced transformer".
[SOURCE: IEC 60728-101-1:2023, 3.1.4]
3.1.5
bit error ratio
BER
ratio between erroneous bits and the total number of transmitted bits
[SOURCE: IEC 60728-1:2014, 3.1.9]
3.1.6
CATV network
regional and local broadband cable networks designed to provide sound and television signals
as well as signals for interactive services to a regional or local area
Note 1 to entry: Originally defined as Community Antenna Television network.
[SOURCE: IEC 60728-1-1:2014, 3.1.9]
3.1.7
decibel ratio
ten times the logarithm to the base 10 of the ratio of two quantities of power P and P , that is
1 2
P
10lg   in dB
P
Note 1 to entry: This ratio may also be expressed in terms of voltages, on the condition that impedance of U and
U is the same (e.g. 75 Ω).
U
20 lg  in dB
U
[SOURCE: IEC 60728-1:2014, 3.1.24, modified – Note 1 to entry clarified.]
3.1.8
distribution amplifier
amplifier designed to feed one or more branch feeders or spur feeders
Note 1 to entry: This is a general term embracing branch amplifiers and spur amplifiers.

IEC 60728-101-2:2023 © IEC 2023 – 11 –
3.1.9
dwelling unit
DU
home or office where television and sound signals are distributed and where there is access to
interactive services
[SOURCE: IEC 60728-1:2014, 3.1.31]
3.1.10
extended satellite television distribution network or system
distribution network or system designed to provide sound and television signals received by
satellite receiving antenna to households in one or more buildings
Note 1 to entry: This kind of network or system can be combined with terrestrial antennas for the additional reception
of TV and/or radio signals via terrestrial networks.
Note 2 to entry: This kind of network or system can also carry control signals for satellite switched systems or other
signals for special transmission systems (e.g. MoCA or Wi-Fi) in the return path direction.
[SOURCE: IEC 60728-1:2014, 3.1.35]
3.1.11
extended terrestrial television distribution network or system
distribution network or system designed to provide sound and television signals received by
terrestrial receiving antenna to households in one or more buildings
Note 1 to entry: This kind of network or system can be combined with a satellite antenna for the additional reception
of TV and/or radio signals via satellite networks.
Note 2 to entry: This kind of network or system can also carry other signals for special transmission systems (e.g.
MoCA or Wi-Fi) in the return path direction.
[SOURCE: IEC 60728-1:2014, 3.1.36]
3.1.12
feeder
transmission path forming part of a cable network
Note 1 to entry: Such a path can consist of a metallic cable, optical fibre, waveguide, or any combination of them.
Note 2 to entry: By extension, the term is also applied to paths containing one or more radio links.
[SOURCE: IEC 60728-1:2014, 3.1.38]
3.1.13
gain
ratio of the output power to the input power of any equipment or system
Note 1 to entry: Gain is expressed in decibels.
[SOURCE: IEC 60728-1:2014, 3.1.42]
3.1.14
headend
equipment which is connected between receiving antennas or other signal sources and the
remainder of the cable networks, to process the signals to be distributed
Note 1 to entry: The headend can, for example, comprise antenna amplifiers, frequency converters, combiners,
separators and generators.
[SOURCE: IEC 60728-1:2014, 3.1.43]

– 12 – IEC 60728-101-2:2023 © IEC 2023
3.1.15
headend input
interface of the headend where the signals received by antennas or individual feeder lines are
applied for signal processing
[SOURCE: IEC 60728-1:2014, 3.1.45]
3.1.16
home network
HN
RF cable network inside a single dwelling (one-family house or one unit of a multi-dwelling
building) in the SOHO (Small Offices Home Offices) environments or in the rooms of hotels,
hospitals
Note 1 to entry: The preferred topology of this network is a star.
Note 2 to entry: This network carries television signals, sound signals and interactive services up to the coaxial RF
interface (input and/or output) of the terminal equipment. It can comprise active equipment, passive equipment,
cables and connectors.
[SOURCE: IEC 60728-1:2014, 3.1.48]
3.1.17
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)
Note 1 to entry: It is the first accessible point after the entrance of the network into an individual home (see
Figure 2).
Note 2 to entry: In some cases, the home network interface can coincide with the system outlet. In this case, the
performance requirements for a system outlet apply.

IEC 60728-101-2:2023 © IEC 2023 – 13 –

Figure 2 – Examples of location of HNI for various home network types
[SOURCE: IEC 60728-1:2014, 3.1.49, modified – Notes to entry and Figure 2 added.]
3.1.18
individual satellite television receiving system
system designed to provide sound and television signals received from satellite(s) to an
individual household
Note 1 to entry: This kind of system could also carry control signals for satellite switched systems or other signals
for special transmission systems (e.g. MoCA or Wi-Fi) in the return path direction.
[SOURCE: IEC 60728-1:2014, 3.1.51]
3.1.19
individual terrestrial television receiving system
system designed to provide sound and television signals received via terrestrial broadcast
networks to an individual household
Note 1 to entry: This kind of system could also carry other signals for special transmission systems (e.g. MoCA or
Wi-Fi) in the return path direction.
[SOURCE: IEC 60728-1:2014, 3.1.52]
3.1.20
intermodulation
process whereby non-linearity of equipment in a system produces output signals (called
intermodulation products) at frequencies which are linear combinations of those of the input
signals
[SOURCE: IEC 60728-1:2014, 3.1.53]

– 14 – IEC 60728-101-2:2023 © IEC 2023
3.1.21
isolation
attenuation between two output, tap or interface ports of any equipment or system
[SOURCE: IEC 60728-1:2014, 3.1.54]
3.1.22
level
decibel ratio of any power P to the standard reference power P , that is
1 0
P
10lg   in dB
P
[SOURCE: IEC 60728-1:2014, 3.1.55.1, modified – Notes 1 and 2 to entry have been deleted.]
3.1.23
level
decibel ratio of any voltage U to the standard reference voltage U , that is
1 0
U
20lg   in dB
U
Note 1 to entry: This may be expressed in decibels (relative to 1 µV in 75 Ω) or more simply in dB(µV) if there is no
risk of ambiguity.
[SOURCE: IEC 60728-1:2014, 3.1.55.2, modified – Note 1 to entry has been deleted.]
3.1.24
local broadband cable network
network designed to provide sound and television signals as well as signals for interactive
services to a local area (e.g. one town or one village)
[SOURCE: IEC 60728-1:2014, 3.1.56]
3.1.25
MATV network
extended terrestrial television distribution networks or systems designed to provide sound and
television signals received by terrestrial receiving antenna to households in one or more
buildings
Note 1 to entry: Originally defined as Master Antenna Television network.
Note 2 to entry: This kind of network or system can be combined with a satellite antenna for the additional reception
of TV and/or radio signals via satellite networks.
Note 3 to entry: This kind of network or system can also carry other signals for special transmission systems (e.g.
MoCA or Wi-Fi) in the return path direction.
[SOURCE: IEC 60728-1:2014, 3.1.60]

IEC 60728-101-2:2023 © IEC 2023 – 15 –
3.1.26
multiplex
signals from several separate sources assembled into a single composite signal for
transmission over a common transmission channel
Note 1 to entry: See also IEC 60728-1:2014, 3.1.65.
[SOURCE: IEC 60050-701:2016, 701-03-09, modified – The term and definition have been
changed to describe the result of the multiplexing process, and Note 1 to entry has been added.]
3.1.27
mutual isolation
attenuation between two specified system outlets at any frequency within the range of the
system under investigation which is always specified, for any particular installation, as the
minimum value obtained within specified frequency limits
[SOURCE: IEC 60728-1:2014, 3.1.66]
3.1.28
network interface
NI
interface to the network for transmission of television signal, sound signals and interactive
services
[SOURCE: IEC 60728-1:2014, 3.1.67]
3.1.29
receiver lead
lead that connects the system outlet to the subscriber's equipment
Note 1 to entry: The definition of a receiver lead includes any filters and/or balun transformers in addition to the
cable.
[SOURCE: IEC 60728-1:2014, 3.1.74, modified –Note 1 to entry has been refined.]
3.1.30
regional broadband cable network
network designed to provide sound and television signals as well as signals for interactive
services to a regional area covering several towns and/or villages
[SOURCE: IEC 60728-1:2014, 3.1.75]
3.1.31
satellite master antenna television system
SMATV
system which is designed to provide sound and television signals to the outlets of a building or
a group of buildings
Note 1 to entry: Two system configurations are defined in ETSI EN 300 473 as follows:
• SMATV system A, based on transparent transmodulation of QPSK satellite signals into QAM signals to be
distributed to the user;
• SMATV system B, based on direct distribution of QPSK signals to the user, with two options:
– SMATV-IF distribution in the satellite IF band (above 950 MHz);
– SMATV-S distribution in the VHF/UHF band, for example in the extended S band (230 MHz to 470 MHz).
[SOURCE: IEC 60728-1:2014, 3.1.77]

– 16 – IEC 60728-101-2:2023 © IEC 2023
3.1.32
S/IN
signal-to-intermodulation and noise ratio for a digitally modulated signal in the RF band
[SOURCE: IEC 60728-101:2016, 3.1.67]
3.1.33
SMATV network
extended distribution networks or systems designed to provide sound and television signals
received by satellite receiving antenna to households in one or more buildings
Note 1 to entry: Originally defined as satellite master antenna television network.
Note 2 to entry: This kind of network or system can be combined with terrestrial antennas for the additional reception
of TV and/or radio signals via terrestrial networks.
Note 3 to entry: This kind of network or system can also carry control signals for satellite switched systems or other
signals for special transmission systems (e.g. MoCA or Wi-Fi) in the return path direction.
[SOURCE: IEC 60728-1:2014, 3.1.87]
3.1.34
splitter
spur unit
device in which the signal power at the (input) port is divided equally or unequally between two
or more (output) ports
Note 1 to entry: Some forms of this device can be used in the reverse direction for combining signal energy.
[SOURCE: IEC 60728-1:2014, 3.1.88]
3.1.35
spur feeder
feeder to which splitters, subscriber taps, or looped system outlets are connected
[SOURCE: IEC 60728-1:2014, 3.1.90]
3.1.36
standard reference power
P
1/75 pW
Note 1 to entry: This is the power dissipated in a 75 Ω resistor with a voltage drop of 1 µV RMS across it.
[SOURCE: IEC 60728-1:2014, 3.1.92]
3.1.37
subscriber feeder
feeder connecting a subscriber tap to a system outlet or, where the latter is not used, directly
to the subscriber equipment
Note 1 to entry: A subscriber feeder can include filters and balun transformers.
[SOURCE: IEC 60728-1:2014, 3.1.93]
3.1.38
subscriber equipment
equipment at the subscriber premises such as receivers, tuners, decoders, video recorders
[SOURCE: IEC 60728-1:2014, 3.1.94]

IEC 60728-101-2:2023 © IEC 2023 – 17 –
3.1.39
subscriber tap
device for connecting a subscriber feeder to a spur feeder
[SOURCE: IEC 60728-1:2014, 3.1.95]
3.1.40
system outlet
SO
device for interconnecting a subscriber feeder and a receiver lead
[SOURCE: IEC 60728-1:2014, 3.1.99]
3.1.41
terminal equipment
equipment (television receiver, radio receiver, set-top box, etc.) able to receive the distributed
signals or to send (via a cable modem) return signals for interactive services
[SOURCE: IEC 60728-101-1:2023, 3.1.49]
3.2 Abbreviated terms
AM amplitude modulation APSK amplitude and phase shift keying
AWGN additive white gaussian noise BCH Bose-Ch
...