Connectors for electrical and electronic equipment - Tests and measurements - Part 28-100: Signal integrity tests up to 2 000 MHz - Tests 28a to 28g (IEC 60512-28-100:2019)

IEC 60512-28-100:2019 is available as IEC 60512-28-100:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 60512-28-100:2019 specifies the test methods for signal integrity and transmission performance for connectors specified in respective parts of IEC 60603-7, IEC 61076-1, IEC 61076-2, and IEC 61076-3 standards for connecting hardware applications up to 2 000 MHz. It is also suitable for testing lower frequency connectors, however, the test methodology specified in the detail specification for any given connector remains the reference conformance test for that connector. The above list of connector series of standards does not preclude referencing this document in other connector manufacturer’s specifications or published standards. Test procedures provided herein are:
- insertion loss, test 28a;
- return loss, test 28b;
- near-end crosstalk (NEXT) test 28c;
- far-end crosstalk (FEXT), test 28d;
- transverse conversion loss (TCL), test 28f;
- transverse conversion transfer loss (TCTL), test 28g.
Other test procedures referenced herein are:
- transfer impedance (ZT), see IEC 60512-26-100, test 26e.
- for coupling attenuation (aC), see IEC 62153 4 12.
This second edition cancels and replaces the first edition, issued in 2013, and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- The title is revised from 1 000 MHz to 2 000 MHz to reflect the range of frequencies which may be tested.
- All tables and requirements have been revised up to 2 000 MHz.
Key words: Connectors, Signal Integrity Tests

Steckverbinder für elektronische Einrichtungen - Mess- und Prüfverfahren - Teil 28-100: Signalintegritätsprüfungen bis 1 000 MHz an Steckverbindern der Reihen IEC 60603-7 und IEC 61076-3 - Prüfungen 28a bis 28g (IEC 60512-28-100:2019)

Connecteurs pour équipements électriques et électroniques - Essais et mesures - Partie 28-100 : Essais d’intégrité des signaux jusqu’à 2 000 MHz - Essais 28a à 28g (IEC 60512-28-100:2019)

IEC 60512-28-100:2019 est disponible sous forme de IEC 60512-28-100:2019 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.

L'IEC 60512-28-100:2019 spécifie les méthodes d’essai d’intégrité des signaux et de qualité de transmission pour des connecteurs spécifiés dans les parties respectives des normes IEC 60603-7, IEC 61076-1, IEC 61076-2 et IEC 61076-3 pour des applications de matériel de connexion jusqu’à 2 000 MHz. Elle s’applique également aux essais de connecteurs de fréquences inférieures, mais la méthodologie d’essai stipulée dans la spécification particulière pour tout connecteur donné reste l’essai de conformité de référence pour le connecteur en question. La liste ci-dessus de séries de normes concernant les connecteurs n’exclut pas le fait de faire référence au présent document dans d’autres normes publiées ou spécifications des fabricants de connecteurs. Les procédures spécifiées ici sont:
- perte d’insertion, essai 28a;
- affaiblissement de réflexion, essai 28b;
- paradiaphonie (NEXT), essai 28c;
- télédiaphonie (FEXT), essai 28d;
- perte de conversion transverse (TCL), essai 28f;
- perte de transfert de conversion transverse (TCTL), essai 28g.
Les autres procédures citées ici en référence sont:
- impédance de transfert (ZT), voir l’IEC 60512-26-100, essai 26e;
- pour l’affaiblissement de couplage (aC), voir l’IEC 62153 4 12.
Cette deuxième édition annule et remplace la première édition parue en 2013 et constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l’édition précédente:
- Le titre a été modifié, 1 000 MHz a été remplacé par 2 000 MHz afin de refléter la plage des fréquences qui peuvent être soumises à des essais.
- Tous les tableaux et toutes les exigences ont été révisés jusqu’à 2 000 MHz.
Mots-clés: connecteurs, essai d’intégrité des signaux

Konektorji za električno in elektronsko opremo - Preskusi in meritve - 28-100. del: Preskusi signalne celovitosti do 2000 MHz - Preskusi od 28a do 28g (IEC 60512-28-100:2019)

Ta dokument določa preskusne metode za signalno celovitost in zmogljivost prenosa za konektorje, določene v zadevnih delih standardov IEC 60603-7, IEC 61076-1, IEC 61076-2 in IEC 61076-3, za povezovanje strojne opreme do 2000 MHz. Primeren je tudi za preskušanje konektorjev z nižjimi frekvencami, vendar metodologija preskušanja, določena v podrobnih specifikacijah za kateri koli konektor, ostaja preskus referenčne skladnosti za ta konektor. Zgornji seznam skupin standardov za konektorje ne izključuje sklicevanja na ta dokument v specifikacijah drugih proizvajalcev konektorjev ali objavljenih standardih. Preskusni postopki, navedeni v tem dokumentu, so: – dodano dušenje, preskus 28a; – povratno dušenje, preskus 28b; – bližnji presluh (NEXT), preskus 28c; – daljni presluh (FEXT), preskus 28d; – prečno dušenje pretvorbe (TCL), preskus 28f; – prečno dušenje pretvorbe prenosa (TCTL), preskus 28g. Drugi preskusni postopki, na katere se sklicuje ta dokument, so: – impedanca prenosa (ZT), glej IEC 60512-26-100, preskus 26e. – za slabljenje stikov (aC) glej IEC 62153-4-12.

General Information

Status
Published
Publication Date
14-Jan-2020
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
30-Dec-2019
Due Date
05-Mar-2020
Completion Date
15-Jan-2020

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SLOVENSKI STANDARD
01-marec-2020
Nadomešča:
SIST EN 60512-28-100:2013
Konektorji za električno in elektronsko opremo - Preskusi in meritve - 28-100. del:
Preskusi signalne celovitosti do 2000 MHz - Preskusi od 28a do 28g (IEC 60512-28-
100:2019)
Connectors for electrical and electronic equipment - Tests and measurements - Part 28-
100: Signal integrity tests up to 2 000 MHz - Tests 28a to 28g (IEC 60512-28-100:2019)
Steckverbinder für elektronische Einrichtungen - Mess- und Prüfverfahren - Teil 28-100:
Signalintegritätsprüfungen bis 1 000 MHz an Steckverbindern der Reihen IEC 60603-7
und IEC 61076-3 - Prüfungen 28a bis 28g (IEC 60512-28-100:2019)
Connecteurs pour équipements électriques et électroniques - Essais et mesures - Partie
28-100 : Essais d’intégrité des signaux jusqu’à 2 000 MHz - Essais 28a à 28g (IEC
60512-28-100:2019)
Ta slovenski standard je istoveten z: EN IEC 60512-28-100:2019
ICS:
31.220.10 Vtiči in vtičnice, konektorji Plug-and-socket devices.
Connectors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60512-28-100

NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2019
ICS 31.220.10 Supersedes EN 60512-28-100:2013 and all of its
amendments and corrigenda (if any)
English Version
Connectors for electrical and electronic equipment - Tests and
measurements - Part 28-100: Signal integrity tests up to 2 000
MHz - Tests 28a to 28g
(IEC 60512-28-100:2019)
Connecteurs pour équipements électriques et électroniques Steckverbinder für elektronische Einrichtungen - Mess- und
- Essais et mesures - Partie 28-100: Essais d'intégrité des Prüfverfahren - Teil 28-100: Signalintegritätsprüfungen bis 2
signaux jusqu'à 2 000 MHz - Essais 28a à 28g 000 MHz - Prüfungen 28a bis 28g
(IEC 60512-28-100:2019) (IEC 60512-28-100:2019)
This European Standard was approved by CENELEC on 2019-12-19. 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, 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,
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
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60512-28-100:2019 E

European foreword
The text of document 48B/2756/FDIS, future edition 2 of IEC 60512-28-100, prepared by SC 48B
"Electrical connectors" of IEC/TC 48 "Electrical connectors and mechanical structures for electrical
and electronic equipment" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 60512-28-100:2019.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-09-19
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-12-19
document have to be withdrawn
This document supersedes EN 60512-28-100:2013 and all of its amendments and corrigenda (if any).
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.

Endorsement notice
The text of the International Standard IEC 60512-28-100:2019 was approved by CENELEC as a
European Standard without any modification.

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.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60050-581 -  International Electrotechnical Vocabulary - - -
Part 581: Electromechanical components
for electronic equipment
IEC 60169-15 -  Radio-frequency connectors. Part 15: R.F. - -
coaxial connectors with inner diameter of
outer conductor 4.13 mm (0.163 in) with
screw coupling - Characteristic impedance
50 ohms (Type SMA)
IEC 60512-1 -  Connectors for electronic equipment – EN IEC 60512-1 -
Tests and measurements - Part 1: Generic
specification
IEC 60512-26-100 -  Connectors for electronic equipment - EN 60512-26-100 -
Tests and measurements - Part 26-100:
Measurement setup, test and reference
arrangements and measurements for
connectors according to IEC 60603-7 -
Tests 26a to 26g
IEC 60512-27-100 -  Connectors for electronic equipment - EN 60512-27-100 -
Tests and measurements - Part 27-100:
Signal integrity tests up to 500 MHz on
60603-7 series connectors - Tests 27a to
27g
IEC 60512-27-200 -  Connecteurs for electrical and electronic - -
equipment - Tests and measurements -
Part 27-200: Additional specifications for
signal integrity tests up to 2 000 MHz on
IEC 60603-7 series connectors - Tests 27a
to 27g
IEC 60512-29-100 -  Connectors for electronic equipment - EN 60512-29-100 -
Tests and measurements - Part 29-100:
Signal integrity tests up to 500 MHz on
M12 style connectors - Tests 29a to 29g
Publication Year Title EN/HD Year
IEC 60603-7 -  Connectors for electronic equipment - Part EN 60603-7 -
7: Detail specification for 8-way,
unshielded, free and fixed connectors
IEC 60603-7-1 -  Connectors for electronic equipment - Part EN 60603-7-1 -
7-1: Detail specification for 8-way,
shielded, free and fixed connectors
IEC 60603-7-2 -  Connectors for electronic equipment - Part EN 60603-7-2 -
7-2: Detail specification for 8-way,
unshielded, free and fixed connectors, for
data transmissions with frequencies up to
100 MHz
IEC 60603-7-3 -  Connectors for electronic equipment - Part EN 60603-7-3 -
7-3: Detail specification for 8-way,
shielded, free and fixed connectors, for
data transmission with frequencies up to
100 MHz
IEC 60603-7-4 -  Connectors for electronic equipment - Part EN 60603-7-4 -
7-4: Detail specification for 8-way,
unshielded, free and fixed connectors, for
data transmissions with frequencies up to
250 MHz
IEC 60603-7-5 -  Connectors for electronic equipment - Part EN 60603-7-5 -
7-5: Detail specification for 8-way,
shielded, free and fixed connectors, for
data transmissions with frequencies up to
250 MHz
IEC 60603-7-7 -  Connectors for electronic equipment - Part EN 60603-7-7 -
7-7: Detail specification for 8-way,
shielded, free and fixed connectors for data
transmission with frequencies up to 600
MHz
IEC 60603-7-41 -  Connectors for electronic equipment - Part EN 60603-7-41 -
7-41: Detail specification for 8-way,
unshielded, free and fixed connectors, for
data transmissions with frequencies up to
500 MHz
IEC 60603-7-51 -  Connectors for electronic equipment - Part EN 60603-7-51 -
7-51: Detail specification for 8-way,
shielded, free and fixed connectors, for
data transmissions with frequencies up to
500 MHz
IEC 60603-7-71 -  Connectors for electronic equipment - Part EN 60603-7-71 -
7-71: Detail specification for 8-way,
shielded, free and fixed connectors, for
data transmission with frequencies up to 1
000 MHz
IEC 60603-7-81 -  Connectors for electronic equipment – Part EN 60603-7-81 -
7-81: Detail specification for 8-way,
shielded, free and fixed connectors, for
data transmissions with frequencies up to
2 000 MHz
Publication Year Title EN/HD Year
IEC 60603-7-82 -  Connectors for electronic equipment - Part EN 60603-7-82 -
7-82: Detail specification for 8-way, 12
contacts, shielded, free and fixed
connectors, for data transmission with
frequencies up to 2 000 MHz
IEC 61076-1 -  Connectors for electronic equipment - EN 61076-1 -
Product requirements - Part 1: Generic
specification
IEC 61076-2 -  Connectors for electronic equipment - EN 61076-2 -
Product requirements - Part 2: Sectional
specification for circular connectors
IEC 61076-2-109 -  Connectors for electronic equipment - EN 61076-2-109 -
Product requirements - Part 2-109: Circular
connectors - Detail specification for
connectors with M 12 x 1 screw-locking, for
data transmission frequencies up to 500
MHz
IEC 61076-3 -  Connectors for electronic equipment - EN 61076-3 -
Product requirements - Part 3: Rectangular
connectors - Sectional specification
IEC 61076-3-104 -  Connectors for electrical and electronic EN 61076-3-104 -
equipment - Product requirements - Part 3-
104: Detail specification for 8-way,
shielded free and fixed connectors for data
transmissions with frequencies up to
2 000 MHz
IEC 61076-3-110 -  Connectors for electronic equipment - EN 61076-3-110 -
Product requirements - Part 3-110: Detail
specification for free and fixed connectors
for data transmission with frequencies up
to 3 000 MHz
IEC 61156-1 -  Multicore and symmetrical pair/quad - -
cables for digital communications - Part 1:
Generic specification
IEC 61156-9 -  Multicore and symmetrical pair/quad - -
cables for digital communications - Part 9:
Cables for channels with transmission
characteristics up to 2 GHz - Sectional
specification
IEC 61156-10 2016 Multicore and symmetrical pair/quad - -
cables for digital communications - Part 10:
Cables for cords with transmission
characteristics up to 2 GHz - Sectional
specification
IEC 61169-16 -  Radio-frequency connectors - Part 16: EN 61169-16 -
Sectional specification - RF coaxial
connectors with inner diameter of outer
conductor 7 mm (0,276 in) with screw
coupling - Characteristics impedance 50
ohms (75 ohms) (type N)
Publication Year Title EN/HD Year
IEC 62153-4-12 -  Metallic communication cable test methods - -
- Part 4-12: Electromagnetic compatibility
(EMC) - Coupling attenuation or screening
attenuation of connecting hardware -
Absorbing clamp method
ISO/IEC 11801-1 2017 Information technology - Generic cabling - -
for customer premises - Part 1: General
requirements
IEC 60512-28-100 ®
Edition 2.0 2019-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Connectors for electrical and electronic equipment –

Tests and measurements –
Part 28-100: Signal integrity tests up to 2 000 MHz – Tests 28a to 28g

Connecteurs pour équipements électriques et électroniques –

Essais et mesures –
Partie 28-100: Essais d’intégrité des signaux jusqu’à 2 000 MHz – Essais

28a à 28g
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.220.10 ISBN 978-2-8322-7590-0

– 2 – IEC 60512-28-100:2019 © IEC 2019
CONTENTS
FOREWORD . 6
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and abbreviated terms . 10
3.1 Terms and definitions . 10
3.2 Abbreviated terms . 11
4 Overall test arrangement . 11
4.1 General . 11
4.2 Test instrumentation . 11
4.2.1 General . 11
4.2.2 Vector network analyser . 11
4.2.3 RF switching unit . 12
4.2.4 Reference loads and termination loads . 12
4.3 Measurement precautions . 12
4.4 Mixed mode S-parameter nomenclature . 13
4.5 Coaxial cables and interconnect for network analyzers . 14
4.6 Characteristic for switching matrices . 14
4.7 Test fixture requirements . 15
4.7.1 Test fixture types . 15
4.8 Requirements for termination performance at calibration plane . 15
4.9 Reference loads for calibration . 15
4.10 Calibration . 16
4.10.1 General . 16
4.10.2 Calibration test interface . 16
4.10.3 Calibration at end of coaxial test cables . 16
4.11 Termination loads for termination of conductor pairs . 17
4.11.1 General . 17
4.11.2 Impedance matching resistor termination networks . 17
4.12 Termination of screens . 17
4.13 Test specimen and reference planes . 18
4.13.1 General . 18
4.13.2 Interconnections between device under test (DUT) and the calibration
plane . 18
4.14 Overall test setup requirements . 20
5 Connector measurements up to 2 000 MHz . 21
5.1 General . 21
5.2 Insertion loss, test 28a . 21
5.2.1 Object . 21
5.2.2 Connecting hardware insertion loss . 21
5.2.3 Test method . 21
5.2.4 Test set-up . 21
5.2.5 Procedure . 21
5.2.6 Test report . 22
5.2.7 Accuracy . 22
5.3 Return loss, test 28b . 22
5.3.1 Object . 22

IEC 60512-28-100:2019 © IEC 2019 – 3 –
5.3.2 Connecting hardware return loss . 22
5.3.3 Test method . 22
5.3.4 Test set-up . 23
5.3.5 Procedure . 23
5.3.6 Test report . 23
5.3.7 Accuracy . 23
5.4 Near-end crosstalk (NEXT), test 28c . 23
5.4.1 Object . 23
5.4.2 Connecting hardware NEXT . 23
5.4.3 Test method . 24
5.4.4 Test set-up . 24
5.4.5 Procedure . 24
5.4.6 Test report . 25
5.4.7 Accuracy . 25
5.5 Far-end crosstalk (FEXT), test 28d . 25
5.5.1 Object . 25
5.5.2 Connecting hardware FEXT . 25
5.5.3 Test method . 25
5.5.4 Test set-up . 25
5.5.5 Procedure . 26
5.5.6 Test report . 26
5.5.7 Accuracy . 26
5.6 Transverse conversion loss (TCL), test 28f . 27
5.6.1 Object . 27
5.6.2 Connecting hardware TCL . 27
5.6.3 Test method . 27
5.6.4 Test set-up . 27
5.6.5 Procedure . 28
5.6.6 Test report . 28
5.6.7 Accuracy . 28
5.7 Transverse conversion transfer loss (TCTL), test 28g . 28
5.7.1 Object . 28
5.7.2 Connecting hardware TCTL . 29
5.7.3 Test method . 29
5.7.4 Test set-up . 29
5.7.5 Procedure . 29
5.7.6 Test report . 29
5.7.7 Accuracy . 30
5.8 Shield transfer impedance (Z ), test 26e . 30
T
5.8.1 Object . 30
5.8.2 Connecting hardware Ttansfer impedance (Z ). 30
T
5.8.3 Test method . 30
5.8.4 Test set-up . 30
5.8.5 Procedure . 30
5.8.6 Test report . 31
5.8.7 Accuracy . 31
5.9 Coupling attenuation (a ) . 31
C
5.9.1 Object . 31
5.9.2 Connecting hardware coupling attenuation (a ) . 31
C
– 4 – IEC 60512-28-100:2019 © IEC 2019
5.9.3 Test method . 31
5.9.4 Test set-up . 31
5.9.5 Procedure . 31
5.9.6 Test report . 32
5.9.7 Accuracy . 32
Annex A (informative) Derivation of mixed mode parameters using the modal
decomposition technique . 33
A.1 General . 33
A.2 Example of a calculation . 33
Annex B (normative) Indirect-reference test fixtures . 36
B.1 General . 36
B.2 Requirements . 36
B.2.1 General requirements . 36
B.2.2 Specific requirements . 36
Annex C (normative) Direct-probe test fixtures . 38
C.1 General . 38
C.2 Requirements . 38
C.2.1 General requirements . 38
C.2.2 Specific requirements . 38
Annex D (normative) Specialized test fixtures . 40
D.1 General . 40
D.2 Requirements . 40
D.2.1 General requirements . 40
D.2.2 Specific requirements . 40
Annex E (informative) Symmetry verification of resistors used for calibration . 41
Bibliography . 44

Figure 1 – Diagram of a single ended 4-port device . 13
Figure 2 – Diagram of a balanced 2-port device . 13
Figure 3 – Calibration of reference loads . 16
Figure 4 – Resistor termination networks . 17
Figure 5 – Definition of reference planes . 18
Figure 6 – Insertion loss and TCTL measurement . 22
Figure 7 – NEXT measurement . 24
Figure 8 – FEXT measurement . 26
Figure 9 – Return loss and TCL measurement . 27
Figure A.1 – Voltage and current on balanced DUT. 33
Figure A.2 – Voltage and current on unbalanced DUT . 34
Figure E.1 – Example of 50 Ω SMA termination comparison (1 MHz – 100 MHz) . 42
Figure E.2 – Comparison of phase selected and only magnitude selected terminations . 42

Table 1 – Mixed mode S-parameter nomenclature . 14
Table 2 – Switch performance requirements . 14
Table 3 – Requirements for terminations at calibration plane . 15
Table 4 – Interconnection DM return loss requirements. 20
Table 5 – Overall test setup requirements . 20

IEC 60512-28-100:2019 © IEC 2019 – 5 –
Table B.1 – IEC 60603-7 series, 8-pole connector types detail specifications and
respective detail connector test procedures standards . 36
Table B.2 – Reference connector crosstalk (NEXT) vector . 37
Table C.1 – Direct-probe test fixture requirements . 38

– 6 – IEC 60512-28-100:2019 © IEC 2019
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CONNECTORS FOR ELECTRICAL AND ELECTRONIC EQUIPMENT –
TESTS AND MEASUREMENTS –
Part 28-100: Signal integrity tests up to 2 000 MHz –
Tests 28a to 28g
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
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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.
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.
International Standard IEC 60512-28-100 has been prepared by subcommittee 48B: Electrical
connectors, of IEC technical committee 48: Electrical connectors and mechanical structures
for electrical and electronic equipment.
This second edition cancels and replaces the first edition, issued in 2013, and constitutes a
technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
• The title is revised from 1 000 MHz to 2 000 MHz to reflect the range of frequencies which
may be tested.
• All tables and requirements have been revised up to 2 000 MHz.

IEC 60512-28-100:2019 © IEC 2019 – 7 –
The text of this International Standard is based on the following documents:
FDIS Report on voting
48B/2756/FDIS 48B/2766/RVD
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
Future standards in this series will carry the new general title as cited above. Titles of existing
standards in this series will be updated at the time of the next edition.
A list of all parts of IEC 60512 series, under the general title Connectors for electrical and
electronic equipment – Tests and measurements 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 "http://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.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
– 8 – IEC 60512-28-100:2019 © IEC 2019
CONNECTORS FOR ELECTRICAL AND ELECTRONIC EQUIPMENT –
TESTS AND MEASUREMENTS –
Part 28-100: Signal integrity tests up to 2 000 MHz –
Tests 28a to 28g
1 Scope
This part of IEC 60512 specifies the test methods for signal integrity and transmission
performance for connectors specified in respective parts of IEC 60603-7, IEC 61076-1,
IEC 61076-2, and IEC 61076-3 standards for connecting hardware applications up to
2 000 MHz. It is also suitable for testing lower frequency connectors, however, the test
methodology specified in the detail specification for any given connector remains the
reference conformance test for that connector. The above list of connector series of standards
does not preclude referencing this document in other connector manufacturer’s specifications
or published standards.
Test procedures provided herein are:
– insertion loss, test 28a;
– return loss, test 28b;
– near-end crosstalk (NEXT) test 28c;
– far-end crosstalk (FEXT), test 28d;
– transverse conversion loss (TCL), test 28f;
– transverse conversion transfer loss (TCTL), test 28g.
Other test procedures referenced herein are:
– transfer impedance (Z ), see IEC 60512-26-100, test 26e.
T
– for coupling attenuation (a ), see IEC 62153-4-12.
C
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 60050-581, International Electrotechnical Vocabulary (IEV) – Part 581: Electromechanical
components for electronic equipment
IEC 60169-15, Radio-frequency connectors – Part 15: R.F. coaxial connectors with inner
diameter of outer conductor 4,13 mm (0.163 in) with screw coupling – Characteristic
impedance 50 ohms (Type SMA)
IEC 60512-1, Connectors for electronic equipment – Tests and measurements – Part 1:
Generic specification
IEC 60512-26-100, Connectors for electronic equipment – Tests and measurements –
Part 26-100: Measurement setup, test and reference arrangement and measurements for
connectors according to IEC 60603-7 – Tests 26a to 26g

IEC 60512-28-100:2019 © IEC 2019 – 9 –
IEC 60512-27-100, Connectors for electronic equipment – Tests and measurements –
Part 27-100: Signal integrity tests up to 500 MHz on 60603-7 series connectors – Tests 27a to
27g
IEC PAS 60512-27-200, Connecteurs for electrical and electronic equipment – Tests and
measurements – Part 27-200: Additional specifications for signal integrity tests up to 2 000
MHz on IEC 60603-7 series connectors – Tests 27a to 27g
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 60603-7, Connectors for electronic equipment – Part 7: Detail specification for 8-way,
unshielded, free and fixed connectors
IEC 60603-7-1, Connectors for electronic equipment – Part 7-1: Detail specification for 8-way,
shielded, free and fixed connectors
IEC 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 60603-7-3, Connectors for electronic equipment – Part 7-3: Detail specification for 8-way,
shielded, free and fixed connectors, for data transmission with frequencies up to 100 MHz
IEC 60603-7-4, Connectors for electronic equipment – Part 7-4: Detail specification for 8-way,
unshielded, free and fixed connectors, for data transmissions with frequencies up to 250 MHz
IEC 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 60603-7-7, 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 60603-7-41, Connectors for electronic equipment – Part 7-41: Detail specification for
8-way, unshielded, free and fixed connectors, for data transmissions with frequencies up to
500 MHz
IEC 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 60603-7-71, 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 60603-7-81, Connectors for electronic equipment – Part 7-81: Detail specification for
8-way, shielded, free and fixed connectors, for data transmissions with frequencies up to
2 000 MHz
IEC 60603-7-82, Connectors for electronic equipment – Part 7-82: Detail specification for
8-way, 12 contacts, shielded, free and fixed connectors, for data transmission with
frequencies up to 2 000 MHz
IEC 61076-1, Connectors for electronic equipment – Product requirements – Part 1: Generic
specification
IEC 61076-2, Connectors for electronic equipment – Product requirements – Part 2: Sectional
specification for circular connectors

– 10 – IEC 60512-28-100:2019 © IEC 2019
IEC 61076-2-109, Connectors for electronic equipment – Product requirements – Part 2-109:
Circular connectors – Detail specification for connectors with M 12 x 1 screw-locking, for data
transmission frequencies up to 500 MHz
IEC 61076-3, Connectors for electronic equipment – Product requirements – Part 3:
Rectangular connectors – Sectional specification
IEC 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 2 000 MHz
IEC 61076-3-110, Connectors for electronic equipment – Product requirements – Part 3-110:
Detail specification for free and fixed connectors for data transmission with frequencies up to
3 000 MHz
IEC 61156-1, Multicore and symmetrical pair/quad cables for digital communications – Part 1:
Generic specification
IEC 61156-9, Multicore and symmetrical pair/quad cables for digital communications – Part 9:
Cables for channels with transmission characteristics up to 2 GHz – Sectional specification
IEC 61156-10:2016, Multicore and symmetrical pair/quad cables for digital communications –
Part 10: Cables for cords with transmission characteristics up to 2 GHz – Sectional
specification
IEC 61169-16, Radio-frequency connectors – Part 16: RF coaxial connectors with inner
diameter of outer conductor 7 mm (0,276 in) with screw coupling – Characteristic impedance
50 ohms (75 ohms) (Type N)
IEC 62153-4-12, Metallic communication cable test methods – Part 4-12: Electromagnetic
compatibility (EMC) – Coupling attenuation or screening attenuation of connecting hardware –
Absorbing clamp method
ISO/IEC 11801-1:2017, Information technology – Generic cabling for customer premises –
Part 1: General requirements
3 Terms, definitions and abbreviated terms
For the purposes of this document, the terms and definitions given in IEC 60050-581,
IEC 61076-1, IEC 60512-1, IEC 60603-7, IEC 61076-3-104 and IEC 61076-3-110, and the
following apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1 Terms and definitions
3.1.1
intermodal
parameter or measurement that either sources on the common mode and measures on the
differential mode, or sources on the differential mode and measures on the common mode

IEC 60512-28-100:2019 © IEC 2019
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