prEN IEC 62820-1-2:2025
(Main)Building intercom systems - Part 1-2: System requirements - Building intercom systems using the internet protocol (IP)
Building intercom systems - Part 1-2: System requirements - Building intercom systems using the internet protocol (IP)
Systèmes d'interphone de bâtiment - Partie 1-2: Exigences du système - Systèmes d'interphone de bâtiment utilisant le protocole internet (IP)
Notranja komunikacija v stavbah - 1-2. del: Sistemske zahteve - Sistemi notranjih komunikacij v stavbah z IP protokolom
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Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2025
Notranja komunikacija v stavbah - 1-2. del: Sistemske zahteve - Sistemi notranjih
komunikacij v stavbah z IP protokolom
Building intercom systems - Part 1-2: System requirements - Building intercom systems
using the internet protocol (IP)
Systèmes d'interphone de bâtiment - Partie 1-2: Exigences du système - Systèmes
d'interphone de bâtiment utilisant le protocole internet (IP)
Ta slovenski standard je istoveten z: prEN IEC 62820-1-2:2025
ICS:
35.240.67 Uporabniške rešitve IT v IT applications in building
gradbeništvu and construction industry
97.120 Avtomatske krmilne naprave Automatic controls for
za dom household use
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
79/721/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62820-1-2 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-02-28 2025-05-23
SUPERSEDES DOCUMENTS:
79/706/CD, 79/717A/CC
IEC TC 79 : ALARM AND ELECTRONIC SECURITY SYSTEMS
SECRETARIAT: SECRETARY:
France Mr Jean-François LIGNEREUX
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
ASPECTS CONCERNED:
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft for
Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they
are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries” clau ses
to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC
clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).
TITLE:
Building intercom systems - Part 1-2: System requirements - Building intercom systems using the
internet protocol (IP)
PROPOSED STABILITY DATE: 2030
NOTE FROM TC/SC OFFICERS:
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.
79/721/CDV – 2 – IEC CDV 62820-1-2 ED2 © IEC 2025
1 CONTENTS
2 FOREWORD . 4
3 INTRODUCTION . 6
4 1 Scope . 7
5 2 Normative references . 7
6 3 Terms, definitions and abbreviated terms . 7
7 3.1 Terms and definitions . 7
8 3.2 Abbreviated terms . 8
9 4 Functional requirements . 9
10 4.1 Basic functional requirements . 9
11 4.2 Additional functional requirements . 9
12 4.3 IP building intercom systems with SMU . 9
13 5 Performance requirements. 10
14 5.1 General . 10
15 5.2 Audio characteristics . 10
16 5.2.1 Overall loudness rating (OLR). 10
17 5.2.2 Audio delay . 10
18 5.2.3 Echo return loss . 10
19 5.2.4 Audio switching time . 10
20 5.3 Video characteristics . 10
21 5.3.1 General . 10
22 5.3.2 Image resolution . 10
23 5.3.3 Frame rate . 10
24 5.3.4 Video delay . 10
25 5.3.5 Lip sync . 11
26 5.3.6 Image quality . 11
27 5.4 Network and information security . 11
28 5.4.1 Network access control . 11
29 5.4.2 Data integrity protection . 11
30 6 Test methods . 11
31 6.1 Test conditions . 11
32 6.1.1 Environmental conditions . 11
33 6.1.2 Electrical connection . 11
34 6.2 Function test . 11
35 6.3 Test of audio characteristics . 11
36 6.3.1 Test requirements . 11
37 6.3.2 Overall loudness rating (OLR) test . 12
38 6.3.3 Test of audio delay . 12
39 6.3.4 Test of echo return loss . 13
40 6.3.5 Test of audio switching time. 13
41 6.4 Test of video characteristics . 15
42 6.4.1 General conditions . 15
43 6.4.2 Test conditions . 15
44 6.4.3 Image resolution test . 15
45 6.4.4 Frame rate test . 16
46 6.4.5 Video delay test . 16
47 6.4.6 Lip sync test . 16
IEC CDV 62820-1-2 ED2 © IEC 2025 – 3 – 79/721/CDV
48 6.4.7 Subjective image quality assessment . 17
49 6.5 Network security test . 17
50 6.5.1 Network test system . 17
51 6.5.2 Network access control test . 17
52 6.5.3 Data integrity protection test . 17
53 7 Documentation . 17
54 Annex A (normative) Subjective assessment of the IP BIS image quality . 18
55 A.1 Test setup . 18
56 A.2 Regulation for experimental actions . 18
57 A.2.1 Swing hands . 18
58 A.2.2 Show card . 18
59 A.3 Evaluation scoring . 19
60 Annex B (normative) Subjective assessment of echo return loss . 20
61 B.1 Test setup . 20
62 B.2 Evaluation scoring . 20
63 Bibliography . 21
65 Figure 1 – Test configuration of OLR, echo return loss, audio delay and audio
66 switching time diagram . 12
67 Figure 2 – Four groups of CSS signals . 13
68 Figure 3 – Test signal A . 14
69 Figure 4 – Test signal B . 14
70 Figure 5 – Audio switching time test process . 15
71 Figure 6 – Lip sync test signal . 16
72 Figure 7 – Test method diagram . 17
73 Figure A.1 – Test setup diagram . 18
75 Table A.1 – Image quality 5-point evaluation form . 19
76 Table B.1 – Subjective echo return loss evaluation form . 20
79/721/CDV – 4 – IEC CDV 62820-1-2 ED2 © IEC 2025
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
BUILDING INTERCOM SYSTEMS
Part 1-2: System requirements –
Building intercom systems using the internet protocol (IP)
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