BS EN 62820-1-2 : 2017現行
BUILDING INTERCOM SYSTEM - PART 1-2: SYSTEM REQUIREMENTS - BUILDING INTERCOM SYSTEMS USING THE INTERNET PROTOCOL (IP) (IEC 62820-1-2:2017)
出版：British Standards Institution
專家解讀視頻
Defines 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.
EN 62820-1-2 : 2017 - Identical
IEC 62820-1-2 : 1ED 2017 - Identical
EN 62820-1-2 : 2017 - Identical
IEC 62820-1-2 : 1ED 2017 - Identical
