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IEC 62820-1-2:2017 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 62820-1-1. This document is applicable to the IP building intercom systems for both residential and commercial buildings. Product Details
Edition: 1.0 Published: 07/26/2017 Number of Pages: 43File Size: 1 file , 640 KB