ETSI EN 300 132-2 V2.8.1 (2024-10)
Environmental Engineering (EE); Power supply interface at the input of Information and Communication Technology (ICT) equipment; Part 2: -48 V Direct Current (DC)
Environmental Engineering (EE); Power supply interface at the input of Information and Communication Technology (ICT) equipment; Part 2: -48 V Direct Current (DC)
REN/EE-02109
Okoljski inženiring (EE) - Napajalni vmesnik na vhodu opreme informacijske in komunikacijske tehnologije (IKT) - 2. del: Enosmerna napetost - 48 V (DC)
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Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
EUROPEAN STANDARD
Environmental Engineering (EE);
Power supply interface at the input of
Information and Communication Technology (ICT) equipment;
Part 2: -48 V Direct Current (DC)
2 Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
Reference
REN/EE-02109
Keywords
interface, power supply
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
Important notice
The present document can be downloaded from:
https://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2024.
All rights reserved.
ETSI
3 Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
Contents
Intellectual Property Rights . 5
Foreword . 5
Modal verbs terminology . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 8
3 Definition of terms, symbols and abbreviations . 9
3.1 Terms . 9
3.2 Symbols . 10
3.3 Abbreviations . 10
4 Requirements . 10
4.0 Power interface "A" . 10
4.1 Nominal voltage . 11
4.2 Normal service voltage range at interface "A" . 11
4.3 Abnormal service voltage range at interface "A" . 13
4.3.1 Abnormal service voltage range under steady state conditions . 13
4.3.2 Abnormal conditions: voltage variations, dips and short interruptions . 13
4.3.3 Voltage transients . 14
4.3.3.1 Voltage transient due to short-circuit and protective device clearance . 14
4.3.3.2 Short voltage transient due to switching and lightning . 15
4.3.4 Recovery from voltage transients . 16
4.4 Voltage changes due to the regulation of the power supply . 17
4.5 Power supply protection at interface "A" . 17
4.6 Maximum current drain . 17
4.7 Inrush Current on connection of interface "A" . 18
4.7.1 Limits . 18
4.7.2 Measurements . 19
4.8 Conducted immunity requirements of the ICT equipment at interface "A": narrowband noise . 20
4.9 Conducted emissions requirements of the ICT equipment at interface "A" . 22
5 Earthing and bonding . 23
Annex A (informative): Identification of interface "A" . 24
Annex B (informative): -60 VDC systems . 25
Annex C (informative): Guide for measuring inrush current and for transferring the
recorded pulses onto the limit chart . 26
C.1 Measurement . 26
C.2 Pulse waveform transfor mation . 26
C.3 Measurement of inrush current with filter capacitor current pulses . 29
Annex D (informative): Test arrangements for the injection of electrical noise at interface
"A" . 32
Annex E (informative): Wideband noise . 33
E.0 Wideband noise . 33
E.1 Emission of wideband noise . 33
E.1.0 General . 33
E.1.1 Assessment of wideband noise . 33
ETSI
4 Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
E.2 How to calculate wideband emission . 33
Annex F (informative): Protection dimensioning . 37
Annex G (informative): Effects of protective device operation transients in the power
distribution . 38
Annex H (normative): Verification of measurement network defined in clause 4.9 . 39
Annex I (informative): Bibliography . 40
Annex J (informative): Change history . 41
History . 42
ETSI
5 Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI Web server (https://ipr.etsi.org/).
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its
Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of the ®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This draft European Standard (EN) has been produced by ETSI Technical Committee Environmental Engineering (EE),
and is now submitted for the combined Public Enquiry and Vote phase of the ETSI EN Approval Procedure.
The present document concerns the requirements for the interface between ICT equipment and its power supply, and
includes requirements relating to its stability and measurement. Various other references and detailed measurement and
test arrangements are contained in informative annexes.
The present document is part 2 of a multi-part deliverable covering Environmental Engineering (EE); Power supply
interface at the input of Information and Communication Technology (ICT) equipment, as identified below:
Part 1: "Alternating Current (AC)";
Part 2: "-48 V Direct Current (DC)";
Part 3: "Up to 400 V Direct Current (DC)".
Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa
Date of withdrawal of any conflicting National Standard (dow): 6 months after doa
ETSI
6 Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
7 Draft E
...
SLOVENSKI STANDARD
01-september-2024
Okoljski inženiring (EE) - Napajalni vmesnik na vhodu opreme informacijske in
komunikacijske tehnologije (IKT) - 2. del: Enosmerna napetost - 48 V (DC)
Environmental Engineering (EE) - Power supply interface at the input of Information and
Communication Technology (ICT) equipment - Part 2: -48 V Direct Current (DC)
Ta slovenski standard je istoveten z: ETSI EN 300 132-2 V2.8.0 (2024-07)
ICS:
19.040 Preskušanje v zvezi z Environmental testing
okoljem
33.050.01 Telekomunikacijska Telecommunication terminal
terminalska oprema na equipment in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
EUROPEAN STANDARD
Environmental Engineering (EE);
Power supply interface at the input of
Information and Communication Technology (ICT) equipment;
Part 2: -48 V Direct Current (DC)
2 Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
Reference
REN/EE-02109
Keywords
interface, power supply
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
Important notice
The present document can be downloaded from:
https://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2024.
All rights reserved.
ETSI
3 Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
Contents
Intellectual Property Rights . 5
Foreword . 5
Modal verbs terminology . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 8
3 Definition of terms, symbols and abbreviations . 9
3.1 Terms . 9
3.2 Symbols . 10
3.3 Abbreviations . 10
4 Requirements . 10
4.0 Power interface "A" . 10
4.1 Nominal voltage . 11
4.2 Normal service voltage range at interface "A" . 11
4.3 Abnormal service voltage range at interface "A" . 13
4.3.1 Abnormal service voltage range under steady state conditions . 13
4.3.2 Abnormal conditions: voltage variations, dips and short interruptions . 13
4.3.3 Voltage transients . 14
4.3.3.1 Voltage transient due to short-circuit and protective device clearance . 14
4.3.3.2 Short voltage transient due to switching and lightning . 15
4.3.4 Recovery from voltage transients . 16
4.4 Voltage changes due to the regulation of the power supply . 17
4.5 Power supply protection at interface "A" . 17
4.6 Maximum current drain . 17
4.7 Inrush Current on connection of interface "A" . 18
4.7.1 Limits . 18
4.7.2 Measurements . 19
4.8 Conducted immunity requirements of the ICT equipment at interface "A": narrowband noise . 20
4.9 Conducted emissions requirements of the ICT equipment at interface "A" . 22
5 Earthing and bonding . 23
Annex A (informative): Identification of interface "A" . 24
Annex B (informative): -60 VDC systems . 25
Annex C (informative): Guide for measuring inrush current and for transferring the
recorded pulses onto the limit chart . 26
C.1 Measurement . 26
C.2 Pulse waveform transfor mation . 26
C.3 Measurement of inrush current with filter capacitor current pulses . 29
Annex D (informative): Test arrangements for the injection of electrical noise at interface
"A" . 32
Annex E (informative): Wideband noise . 33
E.0 Wideband noise . 33
E.1 Emission of wideband noise . 33
E.1.0 General . 33
E.1.1 Assessment of wideband noise . 33
ETSI
4 Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
E.2 How to calculate wideband emission . 33
Annex F (informative): Protection dimensioning . 37
Annex G (informative): Effects of protective device operation transients in the power
distribution . 38
Annex H (normative): Verification of measurement network defined in clause 4.9 . 39
Annex I (informative): Bibliography . 40
Annex J (informative): Change history . 41
History . 42
ETSI
5 Draft ETSI EN 300 132-2 V2.8.0 (2024-07)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI Web server (https://ipr.etsi.org/).
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its
Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of the ®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This draft European Standard (EN) has been produced by ETSI Technical Committee Environmental Engineering (EE),
and is now submitted for the combined Public Enquiry and Vote phase of the ETSI EN Approval Procedure.
The present document concerns the requirements for the interface between ICT equipment and its power supply, and
includes requirements relating to its stability and measurement. Various other references and detailed measurement and
test arrangements are contained in informative annexes.
The present document is part 2 of a multi-part deliverable covering Environmental Engineering (EE); Power su
...
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