1、BRITISH STANDARDBS EN 50486:2008Equipment for use in audio and video door-entry systemsICS 13.310; 97.120g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g
2、36g58BS EN 50486:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2008 BSI 2008ISBN 978 0 580 54904 5National forewordThis British Standard is the UK implementation of EN 50486:2008. The UK participation in its preparation was entr
3、usted to Technical Committee GW/1, Electronic security systems.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.
4、Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARD EN 50486 NORME EUROPENNE EUROPISCHE NORM May 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisati
5、on Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50486:2008 E ICS 13.310; 97.120 English version E
6、quipment for use in audio and video door-entry systems Matriel destin tre utilis dans les systmes de portiers lectroniques audio et vido Einrichtungen fr Audio- und Video-Hauskommunikationssysteme This European Standard was approved by CENELEC on 2008-03-01. CENELEC members are bound to comply with
7、the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat
8、 or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the off
9、icial versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portuga
10、l, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 50486:2008 2 Foreword This European Standard was prepared by the Technical Committee CENELEC TC 79, Alarm systems. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50486 on 2
11、008-03-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2009-03-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2011-03-01
12、 _ BS EN 50486:2008 3 EN 50486:2008 Contents 1 Scope 5 2 Normative references 5 3 Terms and definitions . 6 3.1 Equipment for audio and video door-entry systems 6 3.2 Functions . 6 3.3 Environmental conditions 7 3.4 Other definitions 7 4 General specifications 8 4.1 Safety requirements 8 4.2 EMC req
13、uirements 8 4.3 Minimum functions 8 5 Audio specifications . 9 5.1 Larsen effect 9 5.2 Frequency response . 9 5.3 Acoustic pressure levels in normal condition 9 5.4 Call level 9 5.5 Safety acoustic pressure levels . 9 6 Video specifications General requirements 9 7 Environmental requirements 10 8 An
14、ti-vandalism protection requirements 11 9 Documentation 11 Annex A (normative) Test methods 12 A.1 General 12 A.2 Definitions 12 A.3 Audio tests . 14 A.4 Acoustic stability (Larsen effect) test. 19 A.5 Acoustic call indicator 21 A.6 Video tests . 23 A.7 Anti-vandalism tests 27 Bibliography 28 BS EN
15、50486:2008EN 50486:2008 4 Figures Figure A.1 Circular chart 13 Figure A.2 IMD chart 13 Figure A.3 Audio tests on hands-free stations Setup type 1 16 Figure A.4 Audio tests on hands-free stations Setup type 2 17 Figure A.5 Audio tests on stations with a handset Setup type 1 18 Figure A.6 Audio tests
16、on stations with a handset Setup type 2 19 Figure A.7 Setup for acoustic stability test 20 Figure A.8 Test chamber for acoustic stability test 20 Figure A.9 Setup for acoustic pressure test 21 Figure A.10 Setup for safety test . 22 Figure A.11 Setup for safety test . 22 Figure A.12 Circle position f
17、or the geometric distortion test 25 Figure A.13 Radii for geometric distortion test 26 Tables Table 1 Minimum functions 8 Table 2 Environmental requirements . 10 BS EN 50486:2008 5 EN 50486:2008 1 Scope This European Standard specifies the requirements for equipment installed in audio and video door
18、-entry systems. This European Standard is not applicable to security systems, anti-theft, anti-attack devices and CCTV surveillance systems, and access control systems for use in security applications. This European Standard sets out the following system requirements: safety and electromagnetic comp
19、atibility (EMC) compliance; audio specifications; video specifications; environmental conditions; vandal resistance. Devices integrated into other systems shall also comply with the requirements of those systems (e.g. telephone system or alarm systems). 2 Normative references The following reference
20、d documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 60065 Audio, video and similar electronic apparatus Safety requiremen
21、ts (IEC 60065) EN 60068-2-1 Environmental testing Part 2-1: Tests Test A: Cold (IEC 60068-2-1) EN 60068-2-2 Environmental testing Part 2-2: Tests Test B: Dry heat (IEC 60068-2-2) EN 60068-2-30 Environmental testing Part 2-30: Tests Test Db: Damp heat, cyclic (12 h + 12 h cycle) (IEC 60068-2-30) EN 6
22、0529 Degrees of protection provided by enclosures (IP Code) (IEC 60529) EN 60950-1 Information technology equipment Safety Part 1: General requirements (IEC 60950-1, mod.) EN 61000-6-1 Electromagnetic compatibility (EMC) Part 6-1: Generic standards Immunity for residential, commercial and light-indu
23、strial environments (IEC 61000-6-1) EN 61000-6-3 Electromagnetic compatibility (EMC) Part 6-3: Generic standards Emission standard for residential, commercial and light-industrial environments (IEC 61000-6-3) EN 62262 Degrees of protection provided by enclosures for electrical equipment against exte
24、rnal mechanical impacts (IK code) (IEC 62262) BS EN 50486:2008EN 50486:2008 6 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 Equipment for audio and video door-entry systems 3.1.1 external audio station equipment for requesting access throug
25、h the associated door, containing components to allow audible communication between itself and compatible internal station(s), containing a facility to initiate communication with the internal station(s) 3.1.2 external video station equipment containing components (e.g. a video camera) to allow visu
26、al observation of an area by compatible internal station(s), containing a facility to initiate a video connection with the internal station(s) 3.1.3 external audio/video station combination of the two components defined in 3.1.1 and 3.1.2 3.1.4 internal audio station equipment containing components
27、to allow audible communication between itself and compatible station(s), containing a facility to receive and to indicate an incoming call from compatible stations 3.1.5 internal video station equipment containing components (e.g. a monitor) to allow observation of activity at compatible external vi
28、deo station(s), containing a facility to receive and to indicate an incoming call from compatible stations 3.1.6 internal audio/video station combination of the two components described in 3.1.4 and 3.1.5 3.1.7 power supply part of a door entry system that provides power for the system or any part t
29、hereof 3.1.8 accessories ancillary devices connected to audio and video door entry systems, providing extra functionality, e.g. to open a door 3.1.9 anti-vandalism station equipment with special characteristics to resist physical attack 3.2 Functions 3.2.1 call signal from one station (source) reque
30、sting communication with a remote station (destination) BS EN 50486:2008 7 EN 50486:2008 3.2.2 audio communication bi-directional voice communication between two or more compatible stations 3.2.3 video communication colour or monochrome video information sent from source station to destination stati
31、on 3.2.4 another communication set of actions made to interchange non audio or video information between two or more suitable stations 3.2.5 door opener command signal sent from one station to activate a door release (e.g. an electrical lock) 3.2.6 accessories activation signal sent from one station
32、 to operate one or more accessories 3.3 Environmental conditions Components shall be suitable for use in one of the following environmental classes: 3.3.1 environmental class A1 wide range indoor environmental influences normally experienced indoors when the temperature is not well maintained (e.g.
33、in corridors, halls or staircases and where condensation can occur on windows and in unheated storage areas or warehouses where heating is intermittent) 3.3.2 environmental class B1 normal range indoor environmental influences normally experienced indoors when the temperature is well maintained (e.g
34、. in a residential or commercial property) 3.3.3 environmental class A2 wide range outdoor environmental influences normally experienced out of doors when components are fully exposed to the weather 3.3.4 environmental class B2 normal range outdoor environmental influences normally experienced out o
35、f doors when components are not fully exposed to the weather 3.4 Other definitions 3.4.1 Larsen effect acoustic loop between a microphone and a loudspeaker, amplifying the sound of the microphone resulting in a high pitched whistle BS EN 50486:2008EN 50486:2008 8 4 General specifications 4.1 Safety
36、requirements Equipment for audio and video door-entry systems shall comply with the requirements of EN 60065 or EN 60950-1. 4.2 EMC requirements 4.2.1 Emission Equipment for audio and video door-entry systems shall be so constructed that they do not emit excessive electric or electromagnetic disturb
37、ances in their environment. Compliance is checked by the requirements and tests according to EN 61000-6-3. 4.2.2 Immunity Equipment for audio and video door-entry systems shall be so constructed that they withstand the effects of mains borne perturbations, magnetic disturbances, and electromagnetic
38、disturbances, which may occur in the normal use. Compliance is checked by the requirements and tests according to EN 61000-6-1. 4.3 Minimum functions Each device shall provide at least the following functionality described in Table 1. Table 1 Minimum functions Call Audio communication Video communic
39、ation Door opener command External audio station Initiate Generate/Receive External video station Initiate Generate External audio/video station Initiate Generate/Receive Generate Internal audio station Receive/Indicate aGenerate/Receive Initiate Internal video station Receive/Indicate aReceive Init
40、iate Internal audio/video station Receive/Indicate aGenerate/Receive Receive Initiate aThere are no restrictions on the method of call indication except an audible signal shall be present. This function can be temporally disabled. Compliance is checked by inspection of the product descriptions and/o
41、r installation instructions and by the tests of Clause 7. BS EN 50486:2008 9 EN 50486:2008 5 Audio specifications 5.1 Larsen effect The design or recommended installation of the system shall be such as to prevent Larsen effects. The compliance shall be tested as described in A.4. 5.2 Frequency respo
42、nse The difference between the highest and lowest measurement of acoustic pressure level described in A.3.2 should not be greater than 25 dB. 5.3 Acoustic pressure levels in normal condition 5.3.1 Acoustic pressure level value generated by hands-free devices (DML) The acoustic pressure level value (
43、Lpm/dB) generated by hands-free devices shall be 65 dB SPL. The level is determined by the test method described in A.3.7. The values are determined by the test method described in A.3.1. 5.3.2 Acoustic pressure level value generated by devices with handset The acoustic pressure level value generate
44、d by handset devices shall be 77 dB SPL. The level is determined by the test method described in A.3.8. The values are determined by the test method described in A.3.1. 5.4 Call level The acoustic call indicator shall guarantee a level of acoustic pressure 73 dB(A). The values are determined by the
45、method described in A.5.1. 5.5 Safety acoustic pressure levels In any operational state, the acoustic pressure level generated by the call indicator shall not exceed 120 dB(A). The test method is described in A.5.2. 6 Video specifications General requirements Sensitivity: 0 lx environmental (see A.6
46、.2 for the test method). Minimum resolution: screen size 4 inches: 200 television lines or the equivalent of 2,5 MHz (see A.6.3 for the test method); screen size 4 inches: 130 television lines (as defined by the screen manufacturers specification). Grey scale: eight levels of the grey scale (see A.6
47、.4 for the test method). Minimum focus distance: 0,3 m (see A.6.5 for the test method). Maximum geometric distortion: 20 % (see A.6.6 for the test method). Colour (when applicable): all colours on the chart shall be correctly visible (see A.6.7 for the test method). BS EN 50486:2008EN 50486:2008 10
48、7 Environmental requirements These requirements are described in Table 2. These devices shall be suitable for use in one of the following classes: class A1 wide range indoor or class B1 normal range indoor, class A2 wide range outdoor or class B2 normal range outdoor. The compliance shall be checked
49、 as described in Table 2. Table 2 Environmental requirements Device under test Test Reference Severities Duration Class A1 wide range indoor Test A: Cold EN 60068-2-1 Temp. = -5 C 16 h Test B: Dry heat EN 60068-2-2 Temp. = 40 C Variant 2 16 h Test Db: Damp heat cyclic (12 + 12 h cycle) EN 60068-2-30 Temp. = 40 C Noof cycles = 2 2 days IP degree EN 60529 IP30 - Class B1 normal range indoor Test A: Cold EN 60068
