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BS EN 62820-1-2:2017

BS EN 62820-1-2:2017

$142.49

Building intercom systems – System requirements. Building intercom systems using the internet protocol (IP)

Published By Publication Date Number of Pages
BSI 2017 28
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This part of IEC 62820 specifies the technical requirements for the composition, functions, performance and test methods of building intercom systems using the internet protocol (IP), and it is a supplement to IEC 62820ā€‘1ā€‘1 .

This document is applicable to the IP building intercom systems for both residential and commercial buildings.

NOTE

A BIS that has a mixture of IP and non-IP connections is not covered by IEC 62820ā€‘1ā€‘2 but covered by IEC 62820ā€‘1ā€‘1 .

PDF Catalog

PDF Pages PDF Title
2 National foreword
7 English
CONTENTS
9 FOREWORD
11 INTRODUCTION
12 1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
13 3.2 Abbreviated terms
14 4 Functional requirements
4.1 Basic functional requirements
4.2 Additional functional requirements
4.3 IP building intercom systems with SMU
15 5 Performance requirements
5.1 General
5.2 Audio characteristics
5.2.1 Audio delay
5.2.2 Echo return loss
5.2.3 Audio switching time
5.3 Video characteristics
5.3.1 General
5.3.2 Image resolution
16 5.3.3 Frame rate
5.3.4 Video delay
5.3.5 Lip sync
5.3.6 Image quality
5.4 Network and information security
5.4.1 Network access control
5.4.2 Data integrity protection
6 Test methods
6.1 Test conditions
6.1.1 Environmental conditions
6.1.2 Electrical connection
6.2 Function test
17 6.3 Test of audio characteristics
6.3.1 Test requirements
6.3.2 Test of audio delay
Figures
Figure 1 ā€“ Test configuration of echo return loss and audio switching time diagram
18 6.3.3 Test of echo return loss
Figure 2 ā€“ Four groups of CSS signals
19 6.3.4 Test of audio switching time
Figure 3 ā€“ Test signal A
Figure 4 ā€“ Test signal B
20 6.4 Test of video characteristics
6.4.1 General conditions
6.4.2 Test conditions
Figure 5 ā€“ Audio switching time test process
21 6.4.3 Image resolution test
6.4.4 Frame rate test
6.4.5 Video delay test
6.4.6 Lip sync test
22 6.4.7 Subjective image quality assessment
6.5 Network security test
6.5.1 Network test system
6.5.2 Network access control test
6.5.3 Data integrity protection test
7 Documentation
Figure 6 ā€“ Lip sync test signal
Figure 7 ā€“ Test method diagram
23 AnnexĀ A (normative)Subjective assessment of the IP BIS image quality
A.1 Test setup
A.2 Regulation for experimental actions
Figure A.1 ā€“ Test setup diagram
24 A.3 Evaluation scoring
Table A.1 ā€“ Image quality 5-point evaluation form
25 AnnexĀ B (normative)Subjective assessment of echo return loss
B.1 Test setup
B.2 Evaluation scoring
Table B.1 ā€“ Subjective echo return loss evaluation form
26 Bibliography

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BS EN 62820-1-2:2017
$142.49