1、 IEC 62820-1-1 Edition 1.0 2016-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Building intercom systems Part 1-1: System requirements General Systmes dinterphone de btiment Partie 1-1: Exigences du systme Gnralits IEC 62820-1-1:2016-09(en-fr) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Co
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19、ez des questions contactez-nous: csciec.ch. IEC 62820-1-1 Edition 1.0 2016-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Building intercom systems Part 1-1: System requirements General Systmes dinterphone de btiment Partie 1-1: Exigences du systme Gnralits INTERNATIONAL ELECTROTECHNICAL COMMISSION
20、COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 13.320 ISBN 978-2-8322-3626-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Atten
21、tion! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 IEC 62820-1-1:2016 IEC 2016 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references. 8 3 Terms, definitions and abbreviations 9 3.1 Terms and definitions 9 3.2 Abbreviations 11
22、 4 Functional requirements 11 4.1 Basic functional requirements 11 4.1.1 General . 11 4.1.2 Requirements for building intercom system with SMU . 12 4.2 Additional functions . 13 5 Performance requirements . 13 5.1 Audio characteristics . 13 5.1.1 Acoustic pressure level 13 5.1.2 Overall loudness rat
23、ing (OLR) 13 5.1.3 Overall sensitivity . 13 5.1.4 Frequency response . 15 5.1.5 Acoustic distortion 15 5.1.6 Channel S/N ratio . 15 5.1.7 Sidetone masking rating (STMR) 15 5.1.8 Idle channel noise 15 5.1.9 Ringtone sound pressure . 15 5.1.10 Acoustic stability (Larsen effect) . 15 5.1.11 Acoustic sa
24、fety 15 5.2 Video characteristics . 16 5.2.1 Image resolution 16 5.2.2 Gray scale . 16 5.2.3 Focus distance . 16 5.2.4 Color reproduction . 16 5.2.5 Environmental illuminance adaptability . 16 5.3 Environmental adaptability requirements 16 5.3.1 Environmental classes . 16 5.3.2 Environmental adaptab
25、ility . 16 5.4 Safety requirements 17 5.5 Additional protection under fault conditions 17 5.6 Electromagnetic compatibility requirements . 18 5.6.1 Electromagnetic compatibility immunity requirements 18 5.6.2 Additional electromagnetic compatibility immunity requirements 18 5.6.3 Electromagnetic com
26、patibility emission requirements 18 5.7 Markings and mechanical structural requirements 18 5.7.1 Markings 18 5.7.2 Mechanical structure 19 5.7.3 Enclosure protection capability . 19 5.7.4 Anti-vandalism . 19 6 Test methods . 19 IEC 62820-1-1:2016 IEC 2016 3 6.1 Test conditions 19 6.1.1 Test environm
27、ental conditions 19 6.1.2 Electrical connection 20 6.2 Function test . 20 6.3 Audio characteristics test 20 6.4 Video characteristics test 20 6.5 Environmental adaptability test 20 6.6 Safety test 20 6.7 Protection under fault conditions test . 20 6.8 Electromagnetic compatibility test 20 6.8.1 Elec
28、tromagnetic compatibility immunity test 20 6.8.2 Additional electromagnetic compatibility immunity test 20 6.8.3 Electromagnetic compatibility emission test 21 6.9 Markings and mechanical structure test . 21 6.9.1 Markings and scrub resistance test . 21 6.9.2 Mechanical structure test . 21 6.9.3 Enc
29、losure protection capability test 21 6.9.4 Anti-vandalism test . 21 7 Documentation 22 Annex A (normative) Test of audio characteristics . 23 A.1 Test conditions 23 A.2 Acoustic pressure level test . 23 A.2.1 Methods . 23 A.2.2 Calibration of test equipment 24 A.2.3 Test of the acoustic pressure lev
30、el . 24 A.3 Overall loudness rating (OLR) test . 25 A.3.1 Measurement of sound pressure P mat the MRP . 25 A.3.2 Measurement of output sound pressure P oof the hands-free EUT . 25 A.3.3 Measurement of output sound pressure P eof the handset EUT . 26 A.3.4 Calculations of the OLR . 27 A.4 Overall sen
31、sitivity test . 28 A.4.1 Test of the overall sensitivity at the hands-free EUT 28 A.4.2 Test of the overall sensitivity at the handset EUT 28 A.5 Frequency response test . 28 A.6 Acoustic distortion test 29 A.7 Channel S/N ratio test . 29 A.8 Sidetone masking rating (STMR) test . 29 A.9 Idle channel
32、 noise test 30 A.10 Ringtone sound pressure test 30 A.11 Acoustic stability (Larsen Effect) test . 30 A.12 Acoustic safety test . 31 Annex B (normative) Test of video characteristics . 33 B.1 Test conditions 33 B.2 Connection of the tested system 33 B.3 Image resolution test . 33 B.4 Gray scale test
33、 34 B.5 Focus distance test . 34 B.6 Color reproduction test 35 B.7 Environmental illumination adaptability test 36 4 IEC 62820-1-1:2016 IEC 2016 Annex C (normative) Different requirements between grade 1 and grade 2 37 Annex D (normative) Safety requirements correspondence in IEC 60065 or IEC 60950
34、-1 . 39 Bibliography . 40 Figure 1 Overall sensitivity at the hands-free unit . 14 Figure 2 Overall sensitivity at the handset unit 14 Figure A.1 Measurement of sound pressure P mat the MRP 25 Figure A.2 Measurement of output sound pressure P owhen connected with the handset unit 25 Figure A.3 Measu
35、rement of output sound pressure P owhen connected with the hands-free unit . 26 Figure A.4 Measurement of output sound pressure P ewhen connected with the handset unit 26 Figure A.5 Measurement of output sound pressure P ewhen connected with the hands-free unit . 26 Figure A.6 Measurement of STMR at
36、 the handset EUT . 30 Figure A.7 Measurement of ringtone sound pressure 30 Figure A.8 Acoustic stability test for handset EUT . 31 Figure A.9 Acoustic stability test for hands-free EUT 31 Figure A.10 Acoustic safety test . 32 Figure B.1 Connection diagram for test of video characteristics . 33 Figur
37、e B.2 TE170 test chart . 34 Figure B.3 TE83 test chart . 34 Figure B.4 Focus test chart 35 Figure B.5 Position of the external ring area . 35 Figure B.6 TE106 test chart . 36 Table 1 Environmental adaptability requirements 17 Table A.1 Factors for OLR . 28 Table C.1 Requirements of grade 1 and grade
38、 2 . 37 Table D.1 Correspondence between IEC 60065 and IEC 60950-1 . 39 IEC 62820-1-1:2016 IEC 2016 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ BUILDING INTERCOM SYSTEMS Part 1-1: System requirements General FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organizatio
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48、tention 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.
49、 IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62820-1-1 has been prepared by IEC technical committee 79: Alarm and electronic security systems. The text of this standard is based on the following documents: FDIS Report on voting 79/559/FDIS 79/563/RVD Full information on the voting for the approval of this standard can be found in t
