IEC 62820-1-2 : 1ED 2017現行
BUILDING INTERCOM SYSTEMS - PART 1-2: SYSTEM REQUIREMENTS - BUILDING INTERCOM SYSTEMS USING THE INTERNET PROTOCOL (IP)
出版：International Electrotechnical Committee
專家解讀視頻
Describes 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 62820-1-1.
NEN EN IEC 62820-1-2 : 2017 - Identical
NF EN 62820-1-2 : 2017 - Identical
CEI EN 62820-1-2 : 2018 - Identical
VDE 0830-91-1-2 : 2018 - Identical
EN 62820-1-2 : 2017 - Identical
BS EN 62820-1-2 : 2017 - Identical
PN EN 62820-1-2 : 2017 - Identical
DS EN 62820-1-2 : 2017 - Identical
DIN EN 62820-1-2 : 2018 - Identical
EN 62820-1-2 : 2017 - Identical
DS EN 62820-1-2 : 2017 - Identical
BS EN 62820-1-2 : 2017 - Identical
NEN EN IEC 62820-1-2 : 2017 - Identical
