Equipment for use in audio and video door-entry systems

This European Standard specifies the  requirements for equipment installed in audio  and video door-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 compatibility  (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).

Einrichtungen für Audio- und Video-Hauskommunikationssysteme

Diese Europäische Norm legt die Anforderungen an Einrichtungen in Audio- und Video-Hauskommunikationssystemen fest. Diese Europäische Norm ist nicht auf Sicherheitssysteme, Geräte gegen Diebstahl, gegen Überfall und CCTV-Überwachungsanlagen, sowie Zugangskontrollsysteme bei Sicherheitsanwendungen anwendbar. Diese Europäische Norm beschreibt folgende Systemanforderungen: –   Elektrische Sicherheit und EMV Kompatibilität; –   Audiospezifikationen; –   Videospezifikationen; –   Umweltbedingungen; –   Vandalensicherheit. Geräte die in anderen Systemen eingesetzt werden, müssen die Anforderungen dieser Systeme einhalten (z. B. Telefonanlagen oder Alarmanlagen).

Matériel destiné à être utilisé dans les systèmes de portiers électroniques audio et vidéo

La présente Norme Européenne spécifie les exigences pour le matériel installé dans les systèmes de portiers électroniques audio et vidéo. La présente Norme Européenne ne s’applique pas aux systèmes de sécurité, aux dispositifs antivol, aux dispositifs anti-agression, aux systèmes de surveillance par télévision en circuit fermé (CCTV; en anglais closed-circuit television) et aux systèmes de contrôle d’accès à usage dans les applications de sécurité. La présente Norme Européenne définit les exigences de systèmes suivantes: –   conformité en matière de sécurité et de compatibilité électromagnétique (CEM); –   spécifications audio; –   spécifications vidéo; –   conditions d’environnement; –   résistance au vandalisme. Les dispositifs intégrés dans d'autres systèmes doivent également être conformes aux exigences de ces systèmes (par exemple réseau téléphonique ou systèmes d'alarme).

Oprema za uporabo v avdio in video sistemih pri vhodih

General Information

Status
Published
Publication Date
21-Jul-2008
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
03-Jul-2008
Due Date
07-Sep-2008
Completion Date
22-Jul-2008

Buy Standard

Standard
SIST EN 50486:2008
English language
28 pages
sale 10% off
Preview
sale 10% off
Preview
e-Library read for
1 day

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 50486:2008
01-september-2008
Oprema za uporabo v avdio in video sistemih pri vhodih
Equipment for use in audio and video door-entry systems
Einrichtungen für Audio- und Video-Hauskommunikationssysteme

Matériel destiné à être utilisé dans les systèmes de portiers électroniques audio et vidéo

Ta slovenski standard je istoveten z: EN 50486:2008
ICS:
33.160.01 Avdio, video in avdiovizualni Audio, video and audiovisual
sistemi na splošno systems in general
97.120 Avtomatske krmilne naprave Automatic controls for
za dom household use
SIST EN 50486:2008 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 50486:2008
---------------------- Page: 2 ----------------------
SIST EN 50486:2008
EUROPEAN STANDARD
EN 50486
NORME EUROPÉENNE
May 2008
EUROPÄISCHE NORM
ICS 13.310; 97.120
English version
Equipment for use in audio and video door-entry systems
Matériel destiné à être utilisé Einrichtungen für Audio- und Video-
dans les systèmes de portiers Hauskommunikationssysteme
électroniques audio et vidéo

This European Standard was approved by CENELEC on 2008-03-01. CENELEC members are bound to comply

with 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 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 official 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, Portugal, Romania, Slovakia, Slovenia, Spain,

Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für 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
---------------------- Page: 3 ----------------------
SIST EN 50486:2008
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

2008-03-01.
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
__________
---------------------- Page: 4 ----------------------
SIST 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 requirements ............................................................................................................................ 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 ‘Anti-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

---------------------- Page: 5 ----------------------
SIST EN 50486:2008
EN 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 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 for 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

---------------------- Page: 6 ----------------------
SIST EN 50486:2008
– 5 – EN 50486:2008
1 Scope

This European Standard specifies the requirements for equipment installed in audio and video door-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 compatibility (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 referenced 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 requirements (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 60529 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-industrial 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

external mechanical impacts (IK code) (IEC 62262)
---------------------- Page: 7 ----------------------
SIST EN 50486:2008
EN 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 through 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 visual 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 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

video 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 thereof

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) requesting communication with a remote station (destination)

---------------------- Page: 8 ----------------------
SIST 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 station

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 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. 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. 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 of 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’
---------------------- Page: 9 ----------------------
SIST EN 50486:2008
EN 50486:2008 – 8 –
4 General specifications
4.1 Safety 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 disturbances 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 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 Video Door opener
communication communication command
External audio
Initiate Generate/Receive
station
External video
Initiate Generate
station
External
audio/video Initiate Generate/Receive Generate
station
Internal audio
Generate/Receive Initiate
Receive/Indicate
station
Internal video
Receive Initiate
Receive/Indicate
station
Internal
audio/video
Receive/Indicate Generate/Receive Receive Initiate
station

There 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/or installation instructions and by the

tests of Clause 7.
---------------------- Page: 10 ----------------------
SIST 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 response

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 (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 generated 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 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.6.2 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 manufacturer’s specification).

• Grey scale: eight levels of the grey scale (see A.6.4 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).
---------------------- Page: 11 ----------------------
SIST EN 50486:2008
EN 50486:2008 – 10 –
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 as described in Table 2.

Table 2 – Environmental requirements
Device under test Test Reference Severities Duration
Class A1 Test A: Cold EN 60068-2-1 Temp. = -5 °C 16 h
wide range
indoor
Test B: Dry heat EN 60068-2-2 Temp. = 40 °C 16 h
Variant 2
Test Db: Damp h
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.