ISO/IEC 14543-4-301:2020 

Information technology – Home Electronic System (HES) architecture - Part-4-301: Application protocols for home air conditioners and controllers


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ISO/IEC 14543-4-301:2020 specifies an application-layer protocol necessary for ensuring interoperability among the products of various manufacturers regarding communications between home air conditioners and controllers, using a protocol called network enhanced communications device (NECD) as specified in ISO/IEC 14543-4-3. This protocol is based on user datagram protocol (UDP) using IPv4 or IPv6 (TCP is optional).

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Additional information

Publication typeInternational Standard
Publication date2020-06-22
Available language(s)English
TC/SCISO/IEC JTC 1/SC 25 - Interconnection of information technology equipmentrss
ICS35.240.67 - IT applications in building and construction industry
Stability date  2025
File size1912 KB

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