1、k “ UN I CAT I O N STANDARD ETS 300 386-1 December 1994 Source: ETSI TC-EE Reference: DE/EE-04003-1 UDC: 621.395 Key words: EMC, network, PTN Equipment Engineering (EE); Public telecommunication network equipment Electro-Magnetic Compatibility (EMC) requirements Part 1 : Product family overview, com
2、pliance criteria and test levels ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: 06921 Sophia Antipoiis Cedex - FRANCE Office address: Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE Tel.: +33 92 94 42 O0 - Fax: +33 93 65 47 16 0 European Telecommunica
3、tions Standards institute 1 994. All rights reserved. No part may be reproduced except as authorised by written permission. The copyright and the foregoing restriction on reproduction extend to ali media in which the information may be embodied. ETSI ETSx300 3b-II 74 3400855 0005567 789 Page 2 ETS 3
4、00 386-1 : December 1994 Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to “ETSI Editing and Standards Approval Dept.“ at the address shown on t
5、he title page. ETSI ETSx300 386-1 94 = 3400855 00055b bL5 W Page 3 ETS 300 386-1 : December 1994 Contents Foreword . 5 Introduction., 6 1 2 3 4 5 6 7 Scope . 9 Normative references 9 Definitions and abbreviations 11 3.1 Definitions . 11 3.2 Abbreviations 13 General operational conditions 13 4.1 Equi
6、pment configuration 13 4.2 Exercising equipment 13 4.3 Laboratory environment 14 General compliance criteria for immunity tests 14 Normal Performance (NP) 14 Reduced Performance (RP) 14 Loss of Function (Self recovery) (LFS) . 15 5.1 5.2 5.3 5.4 5.5 Loss of Function (Customer reset) (LFC) 15 Loss of
7、 Function (Operator reset) (LFO) . 15 Immunity: test methods . 15 6.1 General . 15 6.2 Electrostatic discharge 15 6.3 Electrical fast transients/burst 15 6.4 Surges 16 6.4.1 Outdoor signal line ports 16 6.4.2 Indoor signal line ports. 16 6.4.3 Immunity to continuous conducted signals . 16 6.5.1 AC p
8、ower line ports . 16 Low frequency (5 150 kHz) 16 6.5.1.1 AC power supply port . 16 6.5.1.2 DC power supply interface port 16 6.5.1.3 Signal line port . 16 Radio frequency ( 150 kHz) . 17 6.5.2.1 AC power supply port . 17 6.5.2.2 DC power supply interface port 17 6.5.2.3 Signal line port . 17 Immuni
9、ty to power supply disturbances: AC and DC ports . 17 6.7.1 Test of immunity to low frequency disturbances: AC ports 17 6.7.2 Test of immunity to low frequency disturbances: DC ports 17 6.5 6.5.2 6.6 6.7 Immunity to radiated electromagnetic fields . 17 Emission: test methods and limits . 18 7.2 Cond
10、ucted emission . 18 7.2.1 Signal line ports: test method and limits . 18 7.2.2 Mains interface: test method and limits 18 7.2.3 DC power interfaces: test methods and limits 18 Radiated emission: test method and limits . 19 7.1 General . 18 7.3 ETSI ETS*300 386-1 94 = 3400855 0005569 551 Page 4 ETS 3
11、00 386-1: December 1994 8 Requirements 20 Annex A (normative): Surges: test method for ports of signal lines remaining within the building 25 A.l Test Set-up for ports with ISDN interface 25 Annex B (informative): Classification of the electromagnetic environmental conditions 27 . B . 1 Introduction
12、 -27 B.2 Application area 27 B.3 Characteristics of environments . 27 Telecommunication centres (common features class 1 and class 2) 27 Class 1 - major telecommunication centres 28 Class 2 - minor telecommunication centres 28 Class 3 - outdoor locations . 29 Class 4 - customers premises 29 B.3.1 8.
13、3.1 . 1 B.3.1.2 B.3.2 B.3.3 B.4 Attributes of customers premises 30 B.5 Notation to tables B.2 to B.7 . 30 B.6 Characteristic severities of the environmental parameters 31 Annex C (informative): Evaluation of test results -37 Annex D (informative): Guidance for the preparation of product specific op
14、erational conditions and compliance criteria . 39 D.1 General 39 D.2 Operational conditions and compliance criteria during EMC tests 39 D.2.1 General considerations . 39 Operational conditions during EMC tests 40 Compliance criteria during EMC tests . 40 D.2.2 D.2.3 Annex E (informative): Bibliograp
15、hy 42 History . 43 ETSI ETSr300 386-1 74 3400855 0005570 273 W Page 5 ETS 300 386-1 : December 1994 Foreword This European Telecommunication Standard (ETC) has been produced by the Equipment Engineering (EE) Technical Committee of the European Telecommunications Standards Institute (ETSI). This ETS
16、is Part 1 of a 2 part ETS. Part 2 of this ETS is currently being drafted and is further divided into 5 parts as follows: Part 1: Part 2-1 : Part 2-2: Part 2-3: Part 2-4: Part 2-5: “Product family overview, compliance criteria and test levels“. “Product specific compliance criteria and operating cond
17、itions - Switching equipment“ (DE/EE-04003-2- 1 ) . “Product specific compliance criteria and operating conditions - Transmission equipment“ (DE/EE-04003-2-2). “Product specific compliance criteria and operating conditions - Power supply equipment“ (DE/EE-04003-2-3). “Product specific compliance cri
18、teria and operating conditions - Supervisory equipment (DE/EE-04003-2-4). “Product specific compliance criteria and operating conditions - Tariff and billing equipment“ (DE/EE-04003-2-5). Transposition dates Date of latest announcement of this ETS (doa): 31 March 1995 Date of latest publication of n
19、ew National Standard or endorsement of this ETS (dop/e): 30 September 1995 Date of withdrawal of any conflicting National Standard (dow): 30 September 1995 ETSI ETSs3U 3b-L 94 3400855 0005573 LOT Page 6 ETS 300 386-1 : December 1994 Introduction The purpose of testing is to ascertain whether the equ
20、ipment will perform satisfactorily in its electromagnetic environment. Hence, testing requirements need to relate to actual electromagnetic environmental conditions. The statistical nature of the environment as well as the equipments response to stress needs to be taken into account. This is done by
21、 introducing the concepts of “environmental classes“, “priorities of service“, and graded “compliance criteria“ described in more detail below. Part 1 of this ETS specifies all parameters that are not specific to a particular equipment. These are: - general operating conditions; - test levels for im
22、munity (tables 2, 3, 4 and 5) and associated general compliance criteria. Test levels are specified according to environmental class and according to priority of service; - emission limits related to an environmental class. Dedicated product-specific EMC requirements are being developed in the plann
23、ed part 2 of this ETS (.e. parts 2-1 to 2-5). Environmental classes The electromagnetic environment varies from time to time and from place to place in a very complicated manner. The concept of environmental classes introduced by the IEC, (IEC Publication No. 721 21) and also implemented by ETSI, (E
24、TS 300 O1 9 I 1 I) for climatic and mechanical environments takes these aspects into account. An environmental class is an envelope of the environments encountered in a group of locations with similar properties. This ETS defines environmental classes for public telecommunication equipment: - teleco
25、mmunication centres, classes 1 and 2; - locations other than telecommunication centres, classes 3 and 4. The characteristics of the environmental classes are given in annex B. Determination of limits Immunity limits have been set considering that: - the purpose of testing is to reveal potential fail
26、ure mechanisms by means of well-defined exposures under controlled laboratory conditions; - the test does not attempt to reproduce the exposures experienced in practice, but to reproduce the effects of real life exposure; - the test needs to be conclusive even though it is normally based on only a f
27、ew samples; - there is a finite probability that equipment in practice will experience more severe stresses than those considered as being characteristic of the environmental class; it would mean over specification if 100 % performance was required in all cases; - a safety margin between full perfor
28、mance and loss of function can be established. - - - _ - ETSI ETS*3 386-1 94 3400855 0005572 046 H Page 7 ETS 300 386-1 : December 1994 A graded test is introduced which operates with three levels of performance. In order of increasing exposure, these levels are designated: - normal performance (wit
29、hin specified limits); - reduced performance; loss of function. Each level of performance corresponds to a certain accepted degradation, .e. an immunity threshold. The compliance criteria are precisely defined in each individual equipment specification (being developed in part 2 of this ETS). Finall
30、y, considering that all kinds of equipment are not equally important, it is recommended that the equipment is rated and tested according to the priority of the service performed, .e. according to its main purpose. The priority of service may be assessed by evaluating the consequences of: - loss of s
31、ervice; - loss of equipment; - loss of revenue; - loss of reputation. Two equipment categories and associated EMC requirements are introduced which, in order of increasing requirements, are designated: - normal priority of service (see tables 2 and 4); - high priority of service (see tables 3 and 5)
32、. Which requirements apply to a specific piece of equipment are defined in part 2 of this ETS (under development). Emission limits are set considering that: - emissions should not disturb the normal performance of co-located electronic equipment for communications or other purposes; - emissions shal
33、l not interfere with the licensed use of the radio spectrum. ETSI ETSr300 386-1 94 3400855 0005573 T82 Page 9 ETS 300 386-1: December 1994 1 Scope This European Telecommunication Standard (ETS) specifies the essential Electro-Magnetic Compatibility (EMC) requirements for non-radio equipment used wit
34、hin the public telecommunications network. It covers both the emission and immunity requirements of the equipment. This ETS is applicable to all equipment types, examples of which are listed below. The test methods to be used are also described together with the failure criteria: - switching equipme
35、nt which includes trunk and local telephone exchanges, remote switching concentrators, international switches, telex switches and network packet switches; - transmission equipment which includes multiplexers, line equipment and repeaters, Synchronous Digital Hierarchy (SDH), Digital Cross Connect (D
36、XC), Asynchronous Transfer Mode (ATM) and network terminations; - power supply equipment which includes central power plant, end of suite power supplies, power management systems and other dedicated telecommunications network power supplies; - supervisory equipment and dedicated Operation And Mainte
37、nance (OAM) equipment; - tariff and billing equipment. 2 Normative references This ETS incorporates by dated and undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated refe
38、rences, subsequent amendments to or revisions of any of these publications apply to this ETS only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. i1 I 121 t 31 i41 i51 i61 71 i81 EN 55022: “Limits and methods of meas
39、urement of radio interference characteristics of information technology equipment“. IEC Publication No. 721 (Series): “Classification of environmental conditions“. EN 60801 -2: “Electromagnetic compatibility of industrial-process measurement and control equipment; Part 2: Electrostatic discharge req
40、uirements“. ENV 501 40: “Electromagnetic compatibility - Basic Immunity standard; Radiated, radio-frequency electromagnetic field - Immunity test“. IEC 801 -4 (1 988): “Electromagnetic compatibility for industrial-process measurement and control equipment; Part 4: Electrical fast transient/burst req
41、uirements“. ENV 501 42: “Electromagnetic compatibility - Basic immunity standard; Surge immunity test“. ENV 501 41 : “Electromagnetic compatibility - Basic immunity standard; Conducted disturbances induced by radio-frequency fields; Immunity test“. CCITT Recommendation K.20 (1 99 1): “Resistibility
42、of telecommunication switching equipment to overvoltages and overcurrents“ . Previous page is blank ETSI ETS83OO 38b-1 94 3400855 0005574 919 m Page 10 ETS 300 386-1: December 1994 i91 i101 11 11 i1 21 i1 31 i1 41 i1 51 i1 61 i1 71 il 81 i1 91 i201 CCITT Recommendation K.21 (1 988): “Resistibility o
43、f subscribers terminals to overvoltages and overcurrents“ . CCITT Recommendation K.22 (1 988): “Overvoltage Resistibility of Equipment connected to an ISDN T/S bus“. ETS 300 O1 9: “Equipment Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment“. ETS 300
44、 127: “Equipment Engineering (EE); Radiated emission testing of physically large telecommunication systems“. ETS 300 132: “Equipment Engineering (EE); Power supply interface at the input to telecommunications equipment“; Part 1 - Interface operated by alternating current (AC) Part 2 - Interface oper
45、ated by direct current (DCI. CISPR Publication No. 16 : “Specifications for radio interference measuring apparatus and measurements methods“. ENV 551 02-1 : “Electromagnetic Compatibility requirements for ISDN Terminal Equipment - Part 1 : Emission requirements“. ETS 300 046-1 (1 992): “Integrated S
46、ervices Digital Network (ISDN) primary rate access; Safety and protection; Part 1 : general“. EN 61000-4-1 1 : “Electromagnetic compatibility (EMC), Part 4 Testing and measurement techniques, Section 1 1 : Voltage dips and short interruptions and voltage variations“. EN 60555-2: “Disturbances in sup
47、ply systems caused by household appliances and similar electrical equipment; Part 2: Harmonics“. EN 60555-3: “Disturbances in supply systems caused by household appliances and similar electrical equipment; Part 3: Voltage fluctuations“. IEC Publication No. 50 (1 61 ): “International Electrotechnical
48、 Vocabulary; Chapter 1 61 : Electromagnetic compatibility“. ETSI ETSa300 386-1 94 3400855 0005575 855 M Page 11 ETS 300 386-1 : December 1994 3 Definitions and abbreviations 3.1 Definitions For the purpose of this ETS, the definitions in IEC Publication No. 50 (1 61 1 201 apply. In addition, the fol
49、lowing definitions apply: priority of service: Measures on a relative scale how important it is that the equipment operates as specified. Two levels of priority are standardized: They are designated as normal and high. Normal priority of service should be assumed unless special circumstances are indicated. The priority is normal if the equipment has moderate failure consequences. An equipment has moderate failure consequences when: a failure causes limited inconvenience; - repairs may be made without compromising the
