Power line communication systems for power utility applications - Part 2: Analogue power line carrier terminals or APLC

IEC 62488-2:2017 applies to Amplitude Modulation Single Sideband (AM-SSB) Analogue Power Line Carrier (APLC) Terminals and Systems used to transmit information over power lines (EHV/HV/MV). In particular this document covers basically baseband signals with bandwidths of 4 kHz and 2,5 kHz, or multiples thereof, corresponding to the same high frequency bandwidth/s for single or multi-channel APLC terminals.
The contents of the corrigendum of January 2020 and March 2023 have been included in this copy.

Systèmes de communication sur lignes d'énergie pour les applications des compagnies d'électricité - Partie 2 : Équipements terminaux à courants porteurs sur lignes d’énergie analogiques ou APLC

IEC 62488-2:2017 s’applique aux équipements terminaux et systèmes à courants porteurs sur lignes d’énergie analogiques (APLC) à modulation d’amplitude à bande latérale unique (AM-SSB) utilisés pour émettre des informations sur des lignes d’énergie (EHT/HT/MT).
Le présent document couvre fondamentalement les signaux de bande de base de largeur de bande 4 kHz et 2,5 kHz, ou des multiples de ces valeurs, correspondant à la même largeur de bande/s haute fréquence pour les terminaux APLC monovoie ou multivoies.
Le contenu du corrigendum de janvier 2020 et mars 2023 a été pris en considération dans cet exemplaire.

General Information

Status
Published
Publication Date
25-Jul-2017
Current Stage
PPUB - Publication issued
Start Date
28-Jul-2017
Completion Date
26-Jul-2017
Ref Project

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IEC 62488-2 ®
Edition 1.0 2017-07
INTERNATIONAL
STANDARD
colour
inside
Power line communication systems for power utility applications –
Part 2: Analogue power line carrier terminals or APLC

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.

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3, rue de Varembé Fax: +41 22 919 03 00
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About the IEC
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International Standards for all electrical, electronic and related technologies.

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IEC 62488-2 ®
Edition 1.0 2017-07
INTERNATIONAL
STANDARD
colour
inside
Power line communication systems for power utility applications –

Part 2: Analogue power line carrier terminals or APLC

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.200 ISBN 978-2-8322-4507-1

– 2 – IEC 62488-2:2017 © IEC 2017
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 11
3 Terms, definitions and abbreviations . 13
3.1 Terms and definitions . 13
3.2 Abbreviations . 15
4 Low frequency side interfaces . 16
4.1 General . 16
4.2 Analogue interfaces . 17
4.2.1 General . 17
4.2.2 Voice frequency band . 17
4.2.3 Nominal impedance . 17
4.2.4 Return loss . 17
4.2.5 Degree of unbalance to Earth . 17
4.2.6 ITU-T voice channel interface . 17
4.2.7 Subscriber interface . 17
4.2.8 PBX interconnection interface . 18
4.2.9 Narrowband telegraphic channel interface . 18
4.3 Analogue teleprotection system interface . 19
4.3.1 Description . 19
4.3.2 Integrated teleprotection . 20
4.3.3 Teleprotection interface frequency band . 20
4.3.4 Teleprotection interface impedance . 20
4.3.5 Teleprotection interface reflection . 20
4.3.6 Teleprotection interface signal levels . 20
4.3.7 Teleprotection interface control circuits. 20
4.4 Digital interfaces . 21
4.4.1 Telephony signaling interface . 21
4.4.2 Internal data modem . 21
5 Transmission line side high frequency interface . 24
5.1 APLC high frequency band and channelling . 24
5.2 Frequency accuracy . 25
5.3 Signal levels . 25
5.4 Nominal impedance . 25
5.5 Return loss . 25
5.6 Degree of unbalance to earth . 25
5.7 Tapping loss . 25
5.8 Spurious emissions . 26
6 Quality and Performance . 27
6.1 General . 27
6.2 APLC internally generated noise . 28
6.3 Automatic gain control . 28
6.4 Limiter action . 28
6.5 Transmit/Receive frequency difference . 28
6.6 Attenuation distortion . 28

6.7 Group-delay distortion . 30
6.8 Harmonic distortion . 31
6.9 Selectivity . 31
6.10 Crosstalk attenuation . 31
6.10.1 Co-channel crosstalk attenuation . 31
6.10.2 Inter-channel crosstalk attenuation . 31
7 Testing . 32
7.1 General . 32
7.2 Test setup for APLC link tests . 32
7.3 Return loss . 32
7.4 Degree of unbalance to earth . 33
7.4.1 General . 33
7.4.2 LCL . 34
7.4.3 OSB . 34
7.5 Tapping loss . 35
7.6 Spurious emissions . 36
7.6.1 Single channel terminals . 36
7.6.2 Multi-channel terminals . 36
7.7 Selectivity . 36
7.8 Co-channel and inter-channel crosstalk attenuation . 37
8 Configuration and management . 37
8.1 General . 37
8.2 Configuration . 37
8.3 Network management system . 38
8.4 Local terminal alarms . 38
9 Cyber security . 38
9.1 General . 38
9.2 Authentication . 39
10 APLC safety . 39
10.1 General . 39
10.2 Safety reference standard . 39
10.3 Classification of APLC Terminals . 39
10.4 Ingress protection . 41
10.5 Type and routine tests . 41
11 Storage and transportation, operating conditions, power supply. 43
11.1 Storage and transportation . 43
11.1.1 Climatic conditions . 43
11.1.2 Mechanical . 44
11.2 Operating conditions . 45
11.2.1 Climatic conditions . 45
11.2.2 Mechanical . 46
11.2.3 Operating conditions set of tests . 47
11.3 Power supply . 48
11.3.1 AC supply . 48
11.3.2 DC supply . 48
12 EMC .
...


IEC 62488-2 ®
Edition 1.0 2017-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Power line communication systems for power utility applications –
Part 2: Analogue power line carrier terminals or APLC

Systèmes de communication sur lignes d'énergie pour les applications des
compagnies d'électricité –
Partie 2: Équipements terminaux à courants porteurs sur lignes d’énergie
analogiques ou APLC
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.

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3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.

IEC publications search - webstore.iec.ch/advsearchform Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English
committee,…). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages.
and withdrawn publications. Also known as the International Electrotechnical Vocabulary

(IEV) online.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary
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once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and
If you wish to give us your feedback on this publication or CISPR.

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IEC 62488-2 ®
Edition 1.0 2017-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Power line communication systems for power utility applications –

Part 2: Analogue power line carrier terminals or APLC

Systèmes de communication sur lignes d'énergie pour les applications des

compagnies d'électricité –
Partie 2: Équipements terminaux à courants porteurs sur lignes d’énergie

analogiques ou APLC
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.200 ISBN 978-2-8322-7948-9

– 2 – IEC 62488-2:2017 © IEC 2017
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 11
3 Terms, definitions and abbreviations . 13
3.1 Terms and definitions . 13
3.2 Abbreviations . 15
4 Low frequency side interfaces . 16
4.1 General . 16
4.2 Analogue interfaces . 17
4.2.1 General . 17
4.2.2 Voice frequency band . 17
4.2.3 Nominal impedance . 17
4.2.4 Return loss . 17
4.2.5 Degree of unbalance to Earth . 17
4.2.6 ITU-T voice channel interface . 17
4.2.7 Subscriber interface . 17
4.2.8 PBX interconnection interface . 18
4.2.9 Narrowband telegraphic channel interface . 18
4.3 Analogue teleprotection system interface . 19
4.3.1 Description . 19
4.3.2 Integrated teleprotection . 20
4.3.3 Teleprotection interface frequency band . 20
4.3.4 Teleprotection interface impedance . 20
4.3.5 Teleprotection interface reflection . 20
4.3.6 Teleprotection interface signal levels . 20
4.3.7 Teleprotection interface control circuits. 20
4.4 Digital interfaces . 21
4.4.1 Telephony signaling interface . 21
4.4.2 Internal data modem . 21
5 Transmission line side high frequency interface . 24
5.1 APLC high frequency band and channelling . 24
5.2 Frequency accuracy . 25
5.3 Signal levels . 25
5.4 Nominal impedance . 25
5.5 Return loss . 25
5.6 Degree of unbalance to earth . 25
5.7 Tapping loss . 25
5.8 Spurious emissions . 26
6 Quality and Performance . 27
6.1 General . 27
6.2 APLC internally generated noise . 28
6.3 Automatic gain control . 28
6.4 Limiter action . 28
6.5 Transmit/Receive frequency difference . 28
6.6 Attenuation distortion . 28

6.7 Group-delay distortion . 30
6.8 Harmonic distortion . 31
6.9 Selectivity . 31
6.10 Crosstalk attenuation . 31
6.10.1 Co-channel crosstalk attenuation . 31
6.10.2 Inter-channel crosstalk attenuation . 31
7 Testing . 32
7.1 General . 32
7.2 Test setup for APLC link tests . 32
7.3 Return loss . 32
7.4 Degree of unbalance to earth . 33
7.4.1 General . 33
7.4.2 LCL . 34
7.4.3 OSB . 34
7.5 Tapping loss . 35
7.6 Spurious emissions . 36
7.6.1 Single channel terminals . 36
7.6.2 Multi-channel terminals . 36
7.7 Selectivity . 36
7.8 Co-channel and inter-channel crosstalk attenuation . 37
8 Configuration and management . 37
8.1 General . 37
8.2 Configuration . 37
8.3 Network management system .
...

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