ISO/IEC 14763-4:2018
(Main)Information technology - Implementation and operation of customer premises cabling - Part 4: Measurement of end-to-end (E2E) links
Information technology - Implementation and operation of customer premises cabling - Part 4: Measurement of end-to-end (E2E) links
ISO/IEC 14763-4:2018(E) specifies the measurement at frequencies of end-to-end links of two- and four-pair balanced cabling of 100 MHz of Class D and 250 MHz of Class E including free connectors which terminate two and four pairs in both field and laboratory conditions.
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ISO/IEC 14763-4
Edition 1.0 2018-02
INTERNATIONAL
STANDARD
Information technology – Implementation and operation of customer premises
cabling –
Part 4: Measurement of end-to-end (E2E) links
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ISO/IEC 14763-4
Edition 1.0 2018-02
INTERNATIONAL
STANDARD
Information technology – Implementation and operation of customer premises
cabling –
Part 4: Measurement of end-to-end (E2E) links
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 35.200 ISBN 978-2-8322-5444-8
– 2 – ISO/IEC 14763-4:2018 ISO/IEC 2018
CONTENTS
FOREWORD . 3
INTRODUCTION . 4
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and abbreviated terms . 6
3.1 Terms and definitions . 6
3.2 Abbreviated terms . 6
4 Conformance . 6
5 Configuration and limits of performance of E2E link . 6
6 Test configuration of E2E link . 7
7 E2E link testing . 7
8 Laboratory testing of E2E link . 7
9 Field testing of E2E link . 8
9.1 Visual inspection . 8
9.2 Requirements of field test equipment . 8
9.3 Field test measurement parameters . 8
10 Test head requirements . 8
10.1 General . 8
10.2 Test head requirements according to the IEC 60603-7 series . 8
10.3 Test head requirements of IEC 61076-2-101 . 9
10.4 Test head requirements of IEC 61076-2-109 . 9
Annex A (normative) Additional requirements for test head designs . 10
A.1 General . 10
A.2 Outline of additional NEXT requirements. 10
A.3 Additional test head requirements . 10
A.3.1 Category 5 test head requirements . 10
A.3.2 Category 6 test head requirements . 11
Bibliography . 12
Figure 1 – Reference planes and configuration of E2E link . 7
Table A.1 – Category 5 E2E link test head de-embedded NEXT performance in the
range of frequency of 50 MHz ≤ f < 100 MHz . 11
Table A.2 – Category 6 E2E link test head de-embedded NEXT performance in the
range of frequency of 50 MHz ≤ f < 250 MHz . 11
INFORMATION TECHNOLOGY –
IMPLEMENTATION AND OPERATION
OF CUSTOMER PREMISES CABLING –
Part 4: Measurement of end-to-end (E2E) links
FOREWORD
1) ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission)
form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC
participate in the development of International Standards through technical committees established by the
respective organization to deal with particular fields of technical activity. ISO and IEC technical committees
collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in
liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have
established a joint technical committee, ISO/IEC JTC 1.
2) The formal decisions or agreements of IEC and ISO 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 and ISO member bodies.
3) IEC, ISO and ISO/IEC publications have the form of recommendations for international use and are accepted
by IEC National Committees and ISO member bodies in that sense. While all reasonable efforts are made to
ensure that the technical content of IEC, ISO and ISO/IEC publications is accurate, IEC or ISO cannot be held
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apply IEC, ISO and ISO/IEC publications transparently to the maximum extent possible in their national and
regional publications. Any divergence between any ISO, IEC or ISO/IEC publication and the corresponding
national or regional publication should be clearly indicated in the latter.
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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.
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patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.
International Standard ISO/IEC 14763-4 has been prepared by subcommittee SC 25:
Interconnection of information technology equipment, of ISO/IEC joint technical committee 1:
Information technology.
This International Standard has been approved by vote of the member bodies, and the voting
results can be obtained from the address given on the second title page.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts of the ISO/IEC 14763 series, published under the general title Information
technology – Implementation and operation of customer premises cabling, can be found on
the IEC and ISO websites.
– 4 – ISO/IEC 14763-4:2018 ISO/IEC 2018
INTRODUCTION
Balanced cabling is constructed for connecting equipment using free connectors. It is known
that field termination in all parts of the channel has an influence on the channel performance.
Poor termination can cause problems in the channel performance and may affect reliable data
transmission.
Until now, a verification of the field terminated cabling was done by measurement of the
channel performance of Channel Class D or E according to ISO/IEC 11801-1. The
measurement of Channel Class D or E excludes the connections at the end of the cable. The
measurement of Channel Class D or E does not identify the influence to the performance
caused by bad terminations of the connections at the end.
The measurement of performance of end-to-end (E2E) link includes the termination on both
ends of balanced cabling.
This document describes the measurement of E2E links of two- and four-pair balanced
cabling of 100 MHz of Class D and 250 MHz of Class E using laboratory and field tester
measurement procedures.
The performance of E2E links is described in ISO/IEC TR 11801-9902.
INFORMATION TECHNOLOGY –
IMPLEMENTATION AND OPERATION
OF CUSTOMER PREMISES CABLING –
Part 4: Measurement of end-to-end (E2E) links
1 Scope
This part of ISO/IEC 14763 specifies the measurement at frequencies of E2E links of two- and
four-pair balanced cabling of 100 MHz of Class D and 250 MHz of Class E including free
connectors which terminate two and four pairs in both field and laboratory conditions.
The specifications for E2E links are described in ISO/IEC TR 11801-9902.
This document specifies laboratory and field measurement procedures. The requirements for
accuracy to measure cabling parameters identified in ISO/IEC TR 11801-9902 are provided in
IEC 61935-1 and IEC 61935-2.
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.
ISO/IEC 11801-1, Information technology – Generic cabling for customer premises – Part 1:
General requirements
ISO/IEC TR 11801-9902:2017, Information technology – Generic cabling for customer
premises – Part 9902: End-to-end link configurations
ISO/IEC 14763-2, Information technology – Implementation and operation of customer
premises cabling – Part 2: Planning and installation
IEC 60512-29-100, Connectors for electronic equipment – Tests and measurements –
Part 29-100: Signal integrity tests up to 500 MHz on M12 style connectors – Tests 29a to 29g
IEC 61918, Industrial communication networks – Installation of communication networks in
industrial premises
IEC 61935-1, Specification for the testing of balanced and coaxial information technology
cabling – Part 1: Installed balanced cabling as specified in ISO/IEC 11801 and related
standards
IEC 61935-2, Specification for the testing of balanced and coaxial information technology
cabling – Part 2: Cords as
...
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