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BS EN 62820-1-1:2016

BS EN 62820-1-1:2016

$189.07

Building intercom systems – System requirements. General

Published By Publication Date Number of Pages
BSI 2016 46
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This Part of IEC 62820 specifies the technical requirements for the composition, functions, performance, and test methods of general building intercom systems.

This part is applicable to the general intercom systems for building entry in residential or commercial buildings.

Door-Entry-System (DES) is a simple kind of convenient Building-Intercom-System (BIS) mainly for userā€™s comfort. This document has classified the general building intercom systems into two grades in Part 1-1. Grade 1 adopts lower requirements to cover DES not used for relevant security applications while grade 2 adopts higher requirements for building intercom systems for security applications. Each grade may adopt different functional and performance requirements, test methods and normative references.

NOTE

The different requirements between grade 1 and grade 2 are summarized in Table C.1.

PDF Catalog

PDF Pages PDF Title
6 English
CONTENTS
9 FOREWORD
11 INTRODUCTION
12 1 Scope
2 Normative references
13 3 Terms, definitions and abbreviations
3.1 Terms and definitions
15 3.2 Abbreviations
4 Functional requirements
4.1 Basic functional requirements
4.1.1 General
16 4.1.2 Requirements for building intercom system with SMU
17 4.2 Additional functions
5 Performance requirements
5.1 Audio characteristics
5.1.1 Acoustic pressure level
5.1.2 Overall loudness rating (OLR)
5.1.3 Overall sensitivity
18 Figures
FigureĀ 1 ā€“ Overall sensitivity at the hands-free unit
FigureĀ 2 ā€“ Overall sensitivity at the handset unit
19 5.1.4 Frequency response
5.1.5 Acoustic distortion
5.1.6 Channel S/N ratio
5.1.7 Sidetone masking rating (STMR)
5.1.8 Idle channel noise
5.1.9 Ringtone sound pressure
5.1.10 Acoustic stability (Larsen effect)
5.1.11 Acoustic safety
20 5.2 Video characteristics
5.2.1 Image resolution
5.2.2 Gray scale
5.2.3 Focus distance
5.2.4 Color reproduction
5.2.5 Environmental illuminance adaptability
5.3 Environmental adaptability requirements
5.3.1 Environmental classes
5.3.2 Environmental adaptability
21 5.4 Safety requirements
5.5 Additional protection under fault conditions
Tables
TableĀ 1 ā€“ Environmental adaptability requirements
22 5.6 Electromagnetic compatibility requirements
5.6.1 Electromagnetic compatibility immunity requirements
5.6.2 Additional electromagnetic compatibility immunity requirements
5.6.3 Electromagnetic compatibility emission requirements
5.7 Markings and mechanical structural requirements
5.7.1 Markings
23 5.7.2 Mechanical structure
5.7.3 Enclosure protection capability
5.7.4 Anti-vandalism
6 Test methods
6.1 Test conditions
6.1.1 Test environmental conditions
24 6.1.2 Electrical connection
6.2 Function test
6.3 Audio characteristics test
6.4 Video characteristics test
6.5 Environmental adaptability test
6.6 Safety test
6.7 Protection under fault conditions test
6.8 Electromagnetic compatibility test
6.8.1 Electromagnetic compatibility immunity test
6.8.2 Additional electromagnetic compatibility immunity test
25 6.8.3 Electromagnetic compatibility emission test
6.9 Markings and mechanical structure test
6.9.1 Markings and scrub resistance test
6.9.2 Mechanical structure test
6.9.3 Enclosure protection capability test
6.9.4 Anti-vandalism test
26 7 Documentation
27 Annex A (normative) Test of audio characteristics
A.1 Test conditions
A.2 Acoustic pressure level test
A.2.1 Methods
28 A.2.2 Calibration of test equipment
A.2.3 Test of the acoustic pressure level
29 A.3 Overall loudness rating (OLR) test
A.3.1 Measurement of sound pressure Pm at the MRP
A.3.2 Measurement of output sound pressure Po of the hands-free EUT
FigureĀ A.1 ā€“ Measurement of sound pressure Pm at the MRP
Figure A.2 ā€“ Measurement of output sound pressure Po when connected with the handset unit
30 A.3.3 Measurement of output sound pressure Pe of the handset EUT
Figure A.3 ā€“ Measurement of output sound pressure Po when connected with the hands-free unit
Figure A.4 ā€“ Measurement of output sound pressure Pe when connected with the handset unit
Figure A.5 ā€“ Measurement of output sound pressure Pe when connected with the hands-free unit
31 A.3.4 Calculations of the OLR
32 A.4 Overall sensitivity test
A.4.1 Test of the overall sensitivity at the hands-free EUT
A.4.2 Test of the overall sensitivity at the handset EUT
A.5 Frequency response test
Table A.1 ā€“ Factors for OLR
33 A.6 Acoustic distortion test
A.7 Channel S/N ratio test
A.8 Sidetone masking rating (STMR) test
34 A.9 Idle channel noise test
A.10 Ringtone sound pressure test
A.11 Acoustic stability (Larsen Effect) test
FigureĀ A.6 ā€“ Measurement of STMR at the handset EUT
Figure A.7 ā€“ Measurement of ringtone sound pressure
35 A.12 Acoustic safety test
Figure A.8 ā€“ Acoustic stability test for handset EUT
Figure A.9 ā€“ Acoustic stability test for hands-free EUT
36 Figure A.10 ā€“ Acoustic safety test
37 Annex B (normative) Test of video characteristics
B.1 Test conditions
B.2 Connection of the tested system
B.3 Image resolution test
FigureĀ B.1 ā€“ Connection diagram for test of video characteristics
38 B.4 Gray scale test
B.5 Focus distance test
FigureĀ B.2 ā€“ TE170 test chart
FigureĀ B.3 ā€“ TE83 test chart
39 B.6 Color reproduction test
FigureĀ B.4 ā€“ Focus test chart
FigureĀ B.5 ā€“ Position of the external ring area
40 B.7 Environmental illumination adaptability test
FigureĀ B.6 ā€“ TE106 test chart
41 Annex C (normative) Different requirements between grade 1 and grade 2
Table C.1 ā€“ Requirements of gradeĀ 1 and gradeĀ 2
43 Annex D (normative) Safety requirements correspondence in IEC 60065 or IEC 60950-1
Table D.1 ā€“ Correspondence between IECĀ 60065 and IECĀ 60950-1
44 Bibliography

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