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TECHNICAL REPORT Electromagnetic compatibility and Radio spectrum Matters (ERM); Impact of CENELEC EN on ETSI EMC Standards - PDF
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1 TR V1.1.1 ( ) TECHNICL REPORT Electromagnetic compatibility and Radio spectrum Matters (ERM); Impact of EN on EMC Standards
2 2 TR V1.1.1 ( ) Reference DTR/ERM-EMC-318 Keywords EMC, measurement, radio 650 Route des Lucioles F Sophia ntipolis Cedex - FRNCE Tel.: Fax: Siret N NF 742 C ssociation à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: 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. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within Secretariat. 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 documents is available at If you find errors in the present document, please send your comment to one of the following services: 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. The content of the PDF version shall not be modified without the written authorization of. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute ll rights reserved. DECT TM, PLUGTESTS TM, UMTS TM and the logo are Trade Marks of registered for the benefit of its Members. 3GPP TM and LTE are Trade Marks of registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM ssociation.
3 3 TR V1.1.1 ( ) Contents Intellectual Property Rights... 4 Foreword... 4 Modal verbs terminology Scope References Normative references Informative references Definitions and abbreviations Definitions bbreviations Introduction to EN Scope of EN Scope of CISPR European Common modifications in EN EMC deliverables with immunity requirements Harmonised EMC standards with immunity requirements Other EMC Standards with immunity requirements Comparison between EN and deliverables Introduction Comparison between EN and EN General Performance criteria Immunity requirements Differences between EN and EN Comparison between EN and EN General Performance criteria Immunity requirements Differences between EN and EN Comparison between EN and EN and EN General Comparison between EN and ES General Impact on specific deliverables and recommendations for action Harmonised EMC standards General EN EN series EN and EN Other EMC Standards ES History... 27
4 4 TR V1.1.1 ( ) Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to. The information pertaining to these essential IPRs, if any, is publicly available for members and non-members, and can be found in SR : "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to in respect of standards", which is available from the Secretariat. Latest updates are available on the Web server ( Pursuant to the IPR Policy, no investigation, including IPR searches, has been carried out by. No guarantee can be given as to the existence of other IPRs not referenced in SR (or the updates on the Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Report (TR) has been produced by Technical Committee Electromagnetic compatibility and Radio spectrum Matters (ERM). Modal verbs terminology In the present document "should", "should not", "may", "need not", "will", "will not", "can" and "cannot" are to be interpreted as described in clause 3.2 of the Drafting Rules (Verbal forms for the expression of provisions). "must" and "must not" are NOT allowed in deliverables except when used in direct citation.
5 5 TR V1.1.1 ( ) 1 Scope The present document is intended to review the impact of EN [i.1] on existing EMC deliverables and to recommend to TC ERM as to what (if any) changes should be made to these deliverables. In should be noted that if changes are made to existing deliverables, then the usual procedures as per the TWP [i.29] are to be followed. It should also be noted the present document bases it review around edition 1 of EN [i.1]. 2 References 2.1 Normative references Normative references are not applicable in the present document. 2.2 Informative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks included in this clause were valid at the time of publication cannot guarantee their long term validity. The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. [i.1] [i.2] [i.3] [i.4] [i.5] [i.6] [i.7] EN 55035:2017: "Electromagnetic compatibility of multimedia equipment - Immunity requirements". CISPR 35 ( ): "Electromagnetic compatibility of multimedia equipment - Immunity requirements". EN (V2.1.1): "Telecommunication network equipment; ElectroMagnetic Compatibility (EMC) requirements; Harmonised Standard covering the essential requirements of the Directive 2014/30/EU". EN (all parts): "ElectroMagnetic Compatibility (EMC) standard for radio equipment and services". EN (V2.1.1): "ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 1: Common technical requirements; Harmonised Standard covering the essential requirements of article 3.1(b) of Directive 2014/53/EU and the essential requirements of article 6 of Directive 2014/30/EU". ES : "dditional ElectroMagnetic Compatibility (EMC) requirements and resistibility requirements for telecommunications equipment for enhanced availability of service in specific applications". TR : "ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Classification of the electromagnetic environment conditions for equipment in telecommunication networks". [i.8] EN : "Electromagnetic compatibility (EMC) - Part 6-1: Generic standards - Immunity for residential, commercial and light-industrial environments". [i.9] EN : "Electromagnetic compatibility (EMC). Generic standards. Immunity for industrial environments".
6 6 TR V1.1.1 ( ) [i.10] EN 55020: "Sound and television broadcast receivers and associated equipment - Immunity characteristics - Limits and methods of measurement". [i.11] [i.12] [i.13] [i.14] [i.15] [i.16] [i.17] [i.18] [i.19] [i.20] [i.21] [i.22] EN 55024: "Information technology equipment - Immunity characteristics - Limits and methods of measurement". CISPR 20: "Sound and television broadcast receivers and associated equipment - Immunity characteristics - Limits and methods of measurement". CISPR 24: "Information technology equipment - Immunity characteristics - Limits and methods of measurement". EN 55032: "Electromagnetic compatibility of multimedia equipment - Emission Requirements". CISPR 32: "Electromagnetic compatibility of multimedia equipment - Emission Requirements". EN (2009): "Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test". EN (2006), 1 (2008) and 2 (2010): "Electromagnetic compatibility (EMC) - Part 4-3: Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test". EN (2012): "Electromagnetic compatibility (EMC) - Part 4-4: Testing and measurement techniques - Electrical fast transient/burst immunity test". EN (2006): "Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test". EN (2009): "Electromagnetic compatibility (EMC) - Part 4-6: Testing and measurement techniques - Immunity to conducted disturbances, induced by radio-frequency fields". EN (2004): "Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests". EN (2010): "Electromagnetic compatibility (EMC) - Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test". [i.23] ISO (2004): "Road vehicles - Electrical disturbances from conduction and coupling - Part 2: Electrical transient conduction along supply lines only". [i.24] [i.25] [i.26] [i.27] [i.28] [i.29] [i.30] EN (2010): "Electromagnetic compatibility (EMC) - Part 4-20: Testing and measurement techniques - Emission and immunity testing in transverse electromagnetic (TEM) waveguides". EN (2011): "Electromagnetic compatibility (EMC) - Part 4-21: Testing and measurement techniques - Reverberation chamber test methods". Recommendation ITU-T K.20: "Resistibility of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents". Recommendation ITU-T K.21: "Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents". EN : "Environmental Engineering (EE); Power supply interface at the input to telecommunications and datacom (ICT) equipment; Part 2: Operated by -48 V direct current (dc)". Directives, Technical Working Procedures. Commission Directive 2014/30/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to electromagnetic compatibility (recast).
7 7 TR V1.1.1 ( ) [i.31] [i.32] [i.33] [i.34] [i.35] Commission Directive 2014/53/EU of the European Parliament and of the Council of 16 pril 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC. CISPR : "Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-2: Radio disturbance and immunity measuring apparatus - Coupling devices for conducted disturbance measurements". EN : "Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-2: Radio disturbance and immunity measuring apparatus - Coupling devices for conducted disturbance measurements". EN (DEN/ERM-EMC-348-1): "ElectroMagnetic Compatibility (EMC) standard for combined and/or integrated radio and non-radio equipment; Part 1: Requirements for equipment intended to be used in residential, commercial and light industry locations; Harmonised Standard covering the essential requirements of article 3.1(b) of Directive 2014/53/EU". EN (DEN/ERM-EMC-356): "ElectroMagnetic Compatibility (EMC) standard for combined and/or integrated radio and non-radio equipment; Part 2: Specific conditions for equipment intended to be used in industrial locations; Harmonised Standard covering the essential requirements of article 3.1(b) of Directive 2014/53/EU". 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: audio equipment: equipment which has a primary function of either (or a combination of) generation, input, storage, play, retrieval, transmission, reception, amplification, processing, switching or control of audio signals broadcast receiver equipment: equipment containing a tuner that is intended for the reception of broadcast services messages and which may be equipped with one or more ports typically for information transfer entertainment lighting control equipment: equipment generating or processing electrical signals for controlling the intensity, colour, nature or direction of the light from a luminaire, where the intention is to create artistic effects in theatrical, televisual or musical productions and visual presentations Information Technology Equipment (ITE): equipment having a primary function of either (or a combination of) entry, storage, display, retrieval, transmission, processing, switching, or control of data and/or telecommunication Multimedia equipment (MME): equipment that is information technology equipment, audio equipment, video equipment, broadcast receiver equipment, entertainment lighting control equipment or a combination of these video equipment: equipment which has a primary function of either (or a combination of) generation, input, storage, display, play, retrieval, transmission, reception, amplification, processing, switching or control of video signals 3.2 bbreviations For the purposes of the present document, the following abbreviations apply: C M CISPR CPE CRT DC DV-C EC lternating Current mplitude Modulation Comité International Spécial des Perturbations Radioélectriques (International Special Committee on Radio Interference) Customer Premise Equipment Cathode Ray Tube Direct Current Digital Video roadcasting - Cable European Commission
8 8 TR V1.1.1 ( ) EMC EN ES EUT ITE ITU-T MME RF TC TWP xdsl ElectroMagnetic Compatibility European Norm Standard Equipment Under Test Information Technology Equipment International Telecommunication Union - Telecommunication sector MultiMedia Equipment Radio Frequency Technical Committee Technical Working Procedures x Digital Subscriber Line 4 Introduction to EN Scope of EN The standard EN [i.1] is a publication that covers the immunity requirements for multimedia equipment. EN [i.1] is based on the CISPR 35 [i.2] with the addition of European Common modifications. EN [i.1] applies to MME within the scope of EN [i.10] or EN [i.11]. 4.2 Scope of CISPR 35 The CISPR 35 [i.2] publication applies to multimedia equipment (MME) having a rated C or DC supply voltage not exceeding 600 V. MME within the scope of CISPR 35 [i.2] are: MME within the scope of CISPR 20 [i.12] or CISPR 24 [i.13]. MME with a broadcast reception function. MME with non-broadcast wireless interfaces. MME intended primarily for professional. 4.3 European Common modifications in EN The European Common modifications in EN [i.1] in respect to CISPR 35 [i.2] are: mendment on the applicability of EN [i.1]: the following sentence is added in the scope of EN [i.1]: "For multimedia equipment (MME) that falls within the scope of EN or any part(s) of EN series, the requirements within these product specific/product family standards take precedence over the requirements within this publication." Modified test level and performance criteria for the broadcast reception function: the following sentence is added in EN [i.1]: "Except for DV-C, the tuned channel ± 0,5 MHz (lower edge frequency - 0,5 MHz up to the upper edge frequency + 0,5 MHz of the tuned channel) is excluded from testing. For DV-C, the disturbance levels are /m or, except in the tuned channel ± 0,5 MHz (lower edge frequency - 0,5 MHz up to the upper edge frequency + 0,5 MHz of the tuned channel), where the disturbance level is 1 V/m." Normative references: the reference to IEC and CISPR publications are replaced by the corresponding EN standards (e.g. CISPR [i.32] is replaced by EN [i.33], etc.) Normative annex on the coverage of essential requirements of the EU EMC Directive 2014/30/EU [i.30].
9 9 TR V1.1.1 ( ) NOTE: Emission requirements for multimedia equipment are covered in EN [i.14] that is based on the Publication CISPR 32 [i.15]. 5 EMC deliverables with immunity requirements 5.1 Harmonised EMC standards with immunity requirements currently produces and maintains the following harmonised EMC standards that contains immunity requirements; EN [i.3] and EN series [i.4]. ll these standards include immunity requirements. EN [i.3] is a harmonised standard for the EU Directive 2014/30/EU [i.30] and EN series [i.4] are harmonised standards for the EU Directive 2014/30/EU [i.30] and Directive 2014/53/EU [i.31]. ll these standards include immunity requirements. is also developing two new harmonised standards for combined and/or integrated radio and non-radio equipment; these standards are EN [i.34] and EN [i.35]. These standards will be harmonised standards for EU Directive 2014/53/EU [i.31] and they define how to assess the immunity requirements of the combined and/or integrated radio and non-radio equipment. 5.2 Other EMC Standards with immunity requirements ERM WG EMC also produces and maintains ES [i.6]. ES [i.6] defines additional immunity and resistibility requirements for telecommunications equipment for enhanced availability of service in specific applications. The immunity requirements defined in ES [i.6] have test levels higher than the harmonised standard EN [i.3]. 6 Comparison between EN and deliverables 6.1 Introduction For the purposes of the present document, comparisons are between the immunity requirements in EN [i.1] and the deliverables on EMC. 6.2 Comparison between EN and EN General EN [i.3] defines the immunity requirements for two environments: telecommunication centres and other than telecommunication centres. EN [i.1] defines only one set of immunity requirements that apply to any environment Performance criteria The general performance criteria in EN [i.3] and EN [i.1] are provided in table 1.
10 10 TR V1.1.1 ( ) Table 1: Comparison of performance criteria in EN [i.3] and EN [i.1] EN [i.3] Performance The apparatus shall continue to operate as intended. No degradation of performance or loss of function is allowed below a performance level specified by the manufacturer when the apparatus is used as intended. In some cases the performance level may be replaced by a permissible loss of performance. If the minimum performance level or the permissible performance loss is not specified by the manufacturer, then either of these may be deduced from the product description and documentation and what the user may reasonably expect from the apparatus if used as intended. Performance The apparatus shall continue to operate as intended after the test. No degradation of performance or loss of function is allowed below a performance level specified by the manufacturer, when the apparatus is used as intended. In some cases the performance level may be replaced by a permissible loss of performance. During the exposure to an electromagnetic phenomenon, degradation of performance is, however, allowed. No change of actual operating state or stored data is allowed. If the minimum performance level or the permissible performance loss is not specified by the manufacturer, then either of these may be deduced from the product description and documentation and what the user may reasonably expect from the apparatus if used as intended. Performance C Temporary loss of function is allowed, provided the function is self-recoverable or can be restored by the operation of the controls, or, in the case of switching equipment, by normal subsequent use. EN [i.1] The equipment shall continue to operate as intended without operator intervention. No degradation of performance, loss of function or change of operating state is allowed below a performance level specified by the manufacturer when the equipment is used as intended. The performance level may be replaced by a permissible loss of performance. If the minimum performance level or the permissible performance loss is not specified by the manufacturer, then either of these may be derived from the product description and documentation, and by what the user may reasonably expect from the equipment if used as intended. During the application of the disturbance, degradation of performance is allowed. However, no unintended change of actual operating state or stored data is allowed to persist after the test. fter the test, the equipment shall continue to operate as intended without operator intervention; no degradation of performance or loss of function is allowed, below a performance level specified by the manufacturer, when the equipment is used as intended. The performance level may be replaced by a permissible loss of performance. If the minimum performance level (or the permissible performance loss), or recovery time, is not specified by the manufacturer, then either of these may be derived from the product description and documentation, and by what the user may reasonably expect from the equipment if used as intended. Loss of function is allowed, provided the function is self-recoverable, or can be restored by the operation of the controls by the user in accordance with the manufacturer's instructions. reboot or restart operation is allowed. Information stored in non-volatile memory, or protected by a battery backup, shall not be lost Immunity requirements The immunity requirements in EN [i.3] and EN [i.1] are defined for each type of ports. In tables 2 to 5 there is the comparison of the immunity requirements defined in these standards for each type of ports.
11 11 Table 2: Immunity requirements on enclosure port TR V1.1.1 ( ) EN [i.3] Phenomenon Reference test method Test level Environment: Telecommunication centres Electrostatic discharges Radio frequency electromagnetic field amplitude modulated EN [i.16] EN [i.17] Contact: 4 kv ir: 4 kv 80 MHz to 690 MHz /m (80 % M modulation at 1 khz) 690 MHz to 6 GHz 10 V/m (80 % M modulation at 1 khz) Test level Environment: Other than telecommunication centres Contact: 6 kv ir: 8 kv 80 MHz to 690 MHz /m (80 % M modulation at 1 khz) 690 MHz to 6 GHz 10 V/m (80 % M modulation at 1 khz) Performance EN [i.1] Reference test method Test level Performance EN [i.16] EN [i.17] Or EN [i.24] Or EN [i.25] Contact: 4 kv ir: 8 kv 80 MHz to 1 GHz /m (80 % M modulation at 1 khz) Spot frequencies: 1,8 GHz 2,6 GHz 3,5 GHz 5 GHz Power frequency magnetic field ( EN [i.1]: only applicable to EUT with devices susceptible to magnetic field) None None EN [i.22] /m (80 % M modulation at 1 khz) 50 Hz 1 /m
12 12 Table 3: Immunity requirements for analogue/digital signal ports TR V1.1.1 ( ) Phenomenon Continuous induced RF disturbances Reference test method EN [i.20] Test level Environment: Telecommunication centres 0,15 MHz to 80 MHz EN [i.3] Test level Environment: Other than telecommunication centres 0,15 MHz to 80 MHz Performance EN [i.1] Reference test method Test level Performance EN [i.20] 0,15 MHz to 10 MHz 10 MHz to 30 MHz to 1 V 30 MHz to 80 MHz roadband impulse noise disturbances, repetitive ( EN [i.1]: only applicable to CPE) roadband impulse noise disturbances, isolated ( EN [i.1]: only applicable to CPE) Electrical Fast transients EN [i.18] Not applicable Not applicable EN [i.1] 0,5 kv Rep. freq: 5 khz and 100 khz on xdsl ports 0,5 kv Rep. freq: 5 khz and 100 khz on xdsl ports EN [i.1] EN [i.18] 1 V 0,15 MHz to 0,5 MHz 107 dbµv 0,5 MHz to 10 MHz 107 to 36 dµv 10 MHz to 30 MHz 36 to 30 dµv urst duration: 0,7 ms urst period: 10 ms 0,15 MHz to 30 MHz 110 dbµv urst duration: 0,24 ms, 10 ms, 300 ms 0,5 kv Rep. freq: 5 khz and 100 khz on xdsl ports
13 Surges (outdoor lines) Surges (indoor lines) EN [i.19] EN [i.19] EN [i.3] Unshielded symmetrical and unsymmetrical lines: Pulse: 10 µs/ 700 µs Lines to Ground: 1 kv without primary protections Coaxial or shielded lines: Shield to Ground: 1 kv Line to Line: 0,5 kv ll type of lines: Shield to Ground: 0,5 kv 13 Unshielded symmetrical and unsymmetrical lines: Pulse: 10 µs/ 700 µs Lines to Ground: 1 kv without primary protections Coaxial or shielded lines: Shield to Ground: 1 kv Line to Line: 0,5 kv ll type of lines: Shield to Ground: 0,5 kv EN [i.19] None TR V1.1.1 ( ) EN [i.1] Unshielded symmetrical lines: Pulse: 10 µs/700 µs Lines to Ground: 1 kv without primary protections Lines to Ground: 4 kv with primary protections Coaxial or shielded lines: Shield to Ground: 0,5 kv C
14 14 Table 4: Immunity requirements for C power ports TR V1.1.1 ( ) EN [i.3] Phenomenon Reference test method Test level Environment: Telecommunication centres Continuous induced RF disturbances EN [i.20] 0,15 MHz to 80 MHz Test level Environment: Other than telecommunication centres 0,15 MHz to 80 MHz Performance Reference test method EN [i.20] EN [i.1] Test level 0,15 MHz to 10 MHz 10 MHz to 30 MHz Performance to 1 V 30 MHz to 80 MHz Electrical Fast transients Surges Voltage dips Voltage interruptions EN [i.18] EN [i.19] EN [i.21] EN [i.21] 1 kv Rep. freq: 5 khz Shield to Ground: 1 kv Line to Line: 0,5 kv 1 kv Rep. freq: 5 khz Shield to Ground: 2 kv Line to Line: 1 kv Residual voltage 0 % Number of cycles: 1 Residual voltage < 70 % Number of cycles: 25 Residual voltage 0 % Number of cycles: V 1 kv EN [i.18] Rep. freq: 5 khz EN [i.19] Shield to Ground: 2 kv Line to Line: 1 kv Residual voltage < 5 % EN [i.21] Number of cycles: 0,5 C Residual voltage < 70 % Number of cycles: 25 C Residual voltage 0 % EN [i.21] Number of cycles: 250 C C
15 15 Table 5: Immunity requirements for DC power ports (only applicable to ports with cables that may be longer than 3 m) TR V1.1.1 ( ) Phenomenon Continuous induced RF disturbances Reference test method Test level Environment: Telecommunication centres EN [i.20] 0,15 MHz to 80 MHz EN [i.3] Test level Environment: Other than telecommunication centres 0,15 MHz to 80 MHz Performance EN [i.1] Reference test method Test level Performance EN [i.20] 0,15 MHz to 10 MHz 10 MHz to 30 MHz to 1 V 30 MHz to 80 MHz Electrical Fast transients EN [i.18] 1 kv Rep. freq: 5 khz 1 kv Rep. freq: 5 khz EN [i.18] Surges None None EN [i.19] 1 V 0,5 kv Rep. freq: 5 khz Line to Ground: 0,5 kv Only applicable to outdoor cables
16 16 TR V1.1.1 ( ) Differences between EN and EN The immunity requirements in EN [i.3] are based on TR [i.7] on the classification of the electromagnetic environment conditions for equipment in telecommunication networks. The following differences have been identified between EN [i.3] and EN [i.1]: Performance criteria: The general performance criteria in the two standards are aligned. Furthermore, EN [i.1] has specific performance criteria for "Networking functions" in annex F and they are aligned with the specific performance criteria provided in EN [i.3] for the various data/traffic ports. Test methods: Test methods of EN [i.3] and EN [i.1] are aligned because they refer to the same version of basic standards. However, in EN [i.1] additional alternative test methods are defined for radio frequency electromagnetic field and continuous induced RF disturbances. Test levels: there are differences in the test levels as shown in the table 6. Table 6: Immunity requirements on enclosure port Phenomenon Deviations identified Type of deviation Electrostatic discharges The requirement in EN [i.3], for the environment "Other than telecommunication centres" is more severe than EN [i.1]. Radio frequency electromagnetic field Power frequency magnetic field Continuous induced RF disturbances on signal ports roadband impulse noise disturbances on signal ports Electrical Fast transients on signal ports Surges on signal ports with outdoor connections Surges on signal ports with indoor connections Continuous induced RF disturbances on C power ports Electrical Fast transients on C power ports No No No The requirement in EN [i.3] is more severe than EN [i.1] in the frequency range of mobile services. lternative test methods are provided in EN [i.1]. This requirement is only in EN [i.1] and it is applicable to products with devices sensitive to magnetic field like CRT monitors. The requirement in EN [i.3] is more severe than EN [i.1]. The requirement in EN [i.1] is also lower than the Generic immunity standards EN [i.8] and EN [i.9]. lternative test methods are provided in EN [i.1]. This requirement is not applicable to EN [i.3] because it is only applicable to Customer Premises Equipment in EN [i.1]. Requirement on unshielded symmetrical lines are the same except that EN [i.1] requires also the test with primary protections and performance C. EN [i.3] has no the surge immunity test with primary protections because this is a resistibility tests covered by Recommendation ITU-T K.20 [i.26] and Recommendation ITU-T K.21 [i.27]. EN [i.3] has also the surge immunity tests on unsymmetrical lines. Requirement on coax and shielded lines in EN [i.3] has double test level in respect to EN [i.1] for shield to ground coupling mode. EN [i.3] requires also the Line to Line test on shielded cables. This requirement it only present in EN [i.3] with a test level of 0,5 kv. The requirement in EN [i.3] is more severe than EN [i.1]. The requirement in EN [i.1] is also lower than the Generic immunity standards EN [i.8] and EN [i.9]. lternative test methods are provided in EN [i.1].
17 17 TR V1.1.1 ( ) Phenomenon Deviations identified Type of deviation Surges on C power ports No The requirement is the same in respect to EN [i.3] for the environment "Other than telecommunication centres". The requirement for C power cables within the "Telecommunication centres" is only defined in EN [i.3]. Voltage dips on C power ports EN [i.3] has a voltage dip of 1 cycle of duration instead EN [i.1] has a duration of 0,5 cycles. Voltage interruption on C No power ports Continuous induced RF disturbances on DC power ports The requirement in EN [i.3] is more severe than EN [i.1]. The requirement in EN [i.1] is also lower than the Generic immunity standards EN [i.8] and EN [i.9]. lternative test methods are provided in EN [i.1]. Electrical Fast transients on DC power ports EN [i.3] has a test level of 1 kv instead EN [i.1] has 0,5 kv. Surges on DC power ports EN [i.1] has the requirement for DC ports intended to be connected to outdoor environment and that are longer than 3 m. EN [i.3] has no this requirement in the EMC standard because it is included in EN [i.28] for power supply interface requirement applicable to all telecommunication network equipment. Furthermore, this requirement is not in EN [i.3] because there are no products in the scope of this standard that may have outdoor DC power cables (they may be inside cabinets or shelters). 6.3 Comparison between EN and EN General EN [i.5] defines the general immunity requirements for radio products. The other parts of EN series [i.4] may have deviations from the requirements defined in the part 1. The comparison below is performed between EN [i.1] and EN [i.5] Performance criteria The general performance criteria in EN [i.5] and EN [i.1] are provided in the table 7.
18 18 TR V1.1.1 ( ) Table 7: Comparison of performance criteria in EN [i.5] and EN Performance Performance Performance C EN [i.5] In EN [i.5], this is specified as Performance criteria for continuous phenomena applied to transmitters and receivers. During and after the test, the equipment shall continue to operate as intended. No degradation of performance or loss of function is allowed below a permissible performance level specified by the manufacturer when the equipment is used as intended. In some cases this permissible performance level may be replaced by a permissible loss of performance. During the test the EUT shall not unintentionally transmit or change its actual operating state and stored data. If the minimum performance level or the permissible performance loss is not specified by the manufacturer, then either of these may be deduced from the product description and documentation and what the user may reasonably expect from the equipment if used as intended. In EN [i.5], this is specified as Performance criteria for transient phenomena applied to transmitters and receivers. During and after the test, the equipment shall continue to operate as intended. No degradation of performance or loss of function is allowed below a permissible performance level specified by the manufacturer when the equipment is used as intended. In some cases this permissible performance level may be replaced by a permissible loss of performance. During the test the EUT shall not unintentionally transmit or change its actual operating state and stored data. If the minimum performance level or the permissible performance loss is not specified by the manufacturer, then either of these may be deduced from the product description and documentation and what the user may reasonably expect from the equipment if used as intended. None. EN [i.1] The equipment shall continue to operate as intended without operator intervention. No degradation of performance, loss of function or change of operating state is allowed below a performance level specified by the manufacturer when the equipment is used as intended. The performance level may be replaced by a permissible loss of performance. If the minimum performance level or the permissible performance loss is not specified by the manufacturer, then either of these may be derived from the product description and documentation, and by what the user may reasonably expect from the equipment if used as intended. During the application of the disturbance, degradation of performance is allowed. However, no unintended change of actual operating state or stored data is allowed to persist after the test. fter the test, the equipment shall continue to operate as intended without operator intervention; no degradation of performance or loss of function is allowed, below a performance level specified by the manufacturer, when the equipment is used as intended. The performance level may be replaced by a permissible loss of performance. If the minimum performance level (or the permissible performance loss), or recovery time, is not specified by the manufacturer, then either of these may be derived from the product description and documentation, and by what the user may reasonably expect from the equipment if used as intended. Loss of function is allowed, provided the function is self-recoverable, or can be restored by the operation of the controls by the user in accordance with the manufacturer's instructions. reboot or restart operation is allowed. Information stored in non-volatile memory, or protected by a battery backup, shall not be lost Immunity requirements The immunity requirements in EN [i.5] and EN [i.1] are defined for each type of ports. In the tables 8 to 11 there is the comparison of the immunity requirements defined in these standards for each type of ports.
19 19 Table 8: Immunity requirements on enclosure port TR V1.1.1 ( ) EN [i.5] Phenomenon Reference test method Test level Performance Electrostatic Contact: 4 kv discharges EN [i.16] Radio frequency electromagnetic field amplitude modulated Power frequency magnetic field ( EN [i.1]: only applicable to EUT with devices susceptible to magnetic field) EN [i.17] ir: 8 kv 80 MHz to 6 GHz /m (80 % M modulation at 1 khz) EN [i.1] Reference test method Test level Performance EN [i.16] EN [i.17] Or EN [i.24] Or EN [i.25] None EN [i.22] Contact: 4 kv ir: 8 kv 80 MHz to 1 GHz /m (80 % M modulation at 1 khz) Spot frequencies: 1,8 GHz 2,6 GHz 3,5 GHz 5 GHz /m (80 % M modulation at 1 khz) 50 Hz V/m
20 20 Table 9: Immunity requirements for analogue/digital signal ports TR V1.1.1 ( ) Phenomenon Continuous induced RF disturbances Reference test method EN [i.20] EN [i.5] Test level 0,15 MHz to 80 MHz Performance EN [i.1] Reference test method Test level Performance 0,15 MHz to 10 MHz EN [i.20] 10 MHz to 30 MHz to 1 V 30 MHz to 80 MHz roadband impulse noise disturbances, repetitive ( EN [i.1]: only applicable to CPE) roadband impulse noise disturbances, isolated ( EN [i.1]: only applicable to CPE) Electrical Fast transients Surges (outdoor lines) Surges (indoor lines) EN [i.18] EN [i.19] EN [i.19] Not applicable EN [i.1] 0,5 kv Rep. freq: 5 khz and 100 khz on xdsl ports Symmetrical lines: Pulse: 10 µs/700 µs Lines to Ground: 1 kv Unsymmetrical lines: Pulse: 10 µs/700 µs Lines to Ground: 1 kv Line to Line: 0,5 kv ll type of lines: Shield to Ground or Line to Ground: 0,5 kv EN [i.1] EN [i.18] EN [i.19] None 1 V 0,15 to 0,5 MHz 107 dbµv 0,5 MHz to 10 MHz 107 dµv to 36 dµv 10 MHz to 30 MHz 36 dµv to 30 dµv urst duration: 0,7 ms urst period: 10 ms 0,15 to 30 MHz 110 dbµv urst duration: 0,24 ms, 10 ms, 300 ms 0,5 kv Rep. freq: 5 khz and 100 khz on xdsl ports Unshielded symmetrical lines: Pulse: 10 µs/700 µs Lines to Ground: 1 kv without primary protections Lines to Ground: 4 kv with primary protections Coaxial or shielded lines: Shield to Ground: 0,5 kv C
21 21 TR V1.1.1 ( ) Table 10: Immunity requirements for C power ports EN [i.5] Phenomenon Reference test method Test level Performance Continuous 0,15 MHz to 80 MHz induced RF EN [i.20] disturbances EN [i.1] Reference test method Test level Performan ce 0,15 MHz to 10 MHz EN [i.20] 10 MHz to 30 MHz to 1 V 30 MHz to 80 MHz Electrical Fast transients Surges Voltage dips Voltage interruptions EN [i.18] EN [i.19] EN [i.21] EN [i.21] 1 kv Rep. freq: 5 khz Shield to Ground: 2 kv Line to Line: 1 kv Residual voltage 0 % Number of cycles: 0,5 and 1 Residual voltage < 70 % Number of cycles: 25 Residual voltage 0 % Number of cycles: 250 EN [i.18] EN [i.19] EN [i.21] 1 V 1 kv Rep. freq: 5 khz Shield to Ground: 2 kv Line to Line: 1 kv Residual voltage < 5 % Number of cycles: 0,5 Residual voltage < 70 % Number of cycles: 25 Functions can Residual voltage 0 % be recovered EN [i.21] Number of cycles: 250 by user C C
22 22 Table 11: Immunity requirements for DC power ports (only applicable to ports with cables that may be longer than 3 m) TR V1.1.1 ( ) EN [i.5] Phenomenon Reference test method Test level Performance Continuous 0,15 MHz to 80 MHz induced RF EN [i.20] disturbances EN [i.1] Reference test method Test level Performance 0,15 MHz to 10 EN [i.20] MHz 10 MHz to 30 MHz to 1 V 30 MHz to 80 MHz Electrical Fast transients EN [i.18] 0,5 kv Rep. freq: 5 khz Surges ISO [i.23] Only applicable in the vehicular environment EN [i.18] EN [i.19] 1 V 0,5 kv Rep. freq: 5 khz Line to Ground: 0,5 kv Only applicable to outdoor cables
23 23 TR V1.1.1 ( ) Differences between EN and EN The immunity requirements in EN [i.5] are based on the environments defined in the Generic immunity standards EN [i.8] and EN [i.9], on TR [i.7] and on ISO [i.23] for the vehicular environment. The following differences have been identified between EN [i.5] and EN [i.1]: Performance criteria: The performance criteria in EN [i.5] are specific to radio receivers and transmitters but are very similar to the general performance criteria in EN [i.1]. Test methods: Test methods of EN [i.5] and EN [i.1] are aligned because they refer to the same version of basic standards. However, in EN [i.1] additional alternative test methods are defined for radio frequency electromagnetic field and continuous induced RF disturbances. Test levels: there are differences in the test levels as shown in table 12.
24 24 TR V1.1.1 ( ) Table 12: Immunity requirements on enclosure port Phenomenon Deviations identified Type of deviation Electrostatic discharges Radio frequency electromagnetic field Power frequency magnetic field Continuous induced RF disturbances on signal ports roadband impulse noise disturbances on signal ports Electrical Fast transients on signal ports Surges on signal ports with outdoor connections Surges on signal ports with indoor connections Continuous induced RF disturbances on C power ports Electrical Fast transients on C power ports Surges on C power ports Voltage dips on C power ports Voltage interruption on C power ports Continuous induced RF disturbances on DC power ports No No No No No EN [i.1] has test at spot frequency in the range 1 GHz to 6 GHz. lternative test methods are provided in EN [i.1] Some parts of EN series [i.4] has higher test level of EN [i.1]. This requirement is only in EN [i.1] and it is applicable to products with devices sensitive to magnetic field like CRT monitors. The requirement in EN [i.5] is more severe than EN [i.1]. The requirement in EN [i.1] is also lower than the Generic immunity standards EN [i.8] and EN [i.9]. lternative test methods are provided in EN [i.1]. This requirement should be applicable to Customer Premises Equipment with radio interface and xdsl port that are in the scope of EN [i.5]. Requirement on symmetrical lines are the same. EN [i.5] has also the surge immunity tests on unsymmetrical lines with Lines to Ground and Line to Line coupling methods. This requirement it only present in EN [i.5] with a test level of 0,5 kv. The requirement in EN [i.5] is more severe than EN [i.1]. The requirement in EN [i.1] is also lower than the Generic immunity standards EN [i.8] and EN [i.9]. lternative test methods are provided in EN [i.1]. EN [i.5] has a voltage dip at 0,5 and 1 cycle of duration instead EN [i.1] has only the duration of 0,5 cycles. The requirement in EN [i.5] is more severe than EN [i.1]. The requirement in EN [i.1] is also lower than the Generic immunity standards EN [i.8] and EN [i.9]. lternative test methods are provided in EN [i.1]. Electrical Fast transients on No DC power ports Surges on DC power ports EN [i.1] has the requirement for DC ports intended to be connected to outdoor environment and that are longer than 3 m. In EN [i.5] the surge test on DC port applies in the vehicular environment only.
25 25 TR V1.1.1 ( ) 6.4 Comparison between EN and EN and EN General EN [i.34] and EN [i.35] do not define immunity requirements per se but just define how to assess the immunity requirements of the combined and/or integrated radio and non-radio equipment. Therefore, the performance criteria, test methods and test levels are the ones defined in the relevant product or product family standards and the relevant part of EN series [i.4]. Then, the differences between EN [i.1] and EN [i.5] are relevant also to EN [i.34] and EN [i.35]. 6.5 Comparison between EN and ES General ES [i.6] defines the immunity requirements and resistibility requirements for telecommunications equipment for enhanced availability of service in specific applications. This is not a harmonised standard. The performance criteria in ES [i.6] are the same of EN [i.3] but the test level are higher. The test methods in ES [i.6] are the same of EN [i.3]. s the immunity requirements in EN [i.3] are in general more severe than EN [i.1], obviously the requirements of ES [i.6] are even more severe in respect to EN [i.1]. 7 Impact on specific deliverables and recommendations for action 7.1 Harmonised EMC standards General Considering the European Common modifications in EN [i.1] there is no conflicting standard for compliance to the European EMC Directive 2014/30/EU [i.30] and European Radio Equipment Directive 2014/53/EU [i.31] because EN [i.3] and EN series [i.4] take precedence. However, ERM EMC WG should consider: Inclusion of alternative test methods as defined in EN [i.1]. Consider the inclusion of roadband impulse noise disturbances on the xdsl ports of CPE with radio module EN For the deviation in the requirements between EN [i.1] and EN [i.3] it may be not justified the alignment, because of specific product family covered by EN [i.3] that are the telecommunication network equipment. Furthermore, EN [i.1] has also deviations in respect to the Generic immunity standards EN [i.8] and EN [i.9] that should be understood the justification of such deviations before to change the requirements in the standards.
26 26 TR V1.1.1 ( ) EN series For the deviation in the requirements between EN [i.1] and EN series [i.4] it may be justified the alignment for certain products, like for instance the CPE with radio interface. However, before to change the requirements in EN series [i.4] it should be understood the reasons for the deviation of EN [i.1] in respect to the Generic immunity standards EN [i.8] and EN [i.9]. Furthermore, EN [i.5] refers to all environments defined in the Generic immunity standards EN [i.8] and EN [i.9] but only one set of requirements is defined for all environments. Therefore, it is advisable to consider two set of requirements as defined in the reference Generic immunity standards EN [i.8] and EN [i.9] EN and EN These standards refer to the performance criteria, test methods and test levels defined in the relevant product or product family standards and in the relevant part of EN series [i.4]. Therefore, there is no need for the alignment of these two standards with EN [i.1]. 7.2 Other EMC Standards ES ES [i.6] has to be maintained in line with EN [i.3] for test methods and performance criteria. Changes applied in EN [i.3] have to be considered for ES [i.6]. It is not recommended to align ES [i.6] with EN [i.1] because ES [i.6] is specific to certain applications.
27 27 TR V1.1.1 ( ) History Document history V1.1.1 March 2017 Publication