This amendment to IEEE Std 802.3-2018 makes technical and editorial corrections and refinements to Power over Ethernet over 2-pairs in Clause 33.

Ethernet Modbus TCP & TCP/IP, POE (DC48V), Alarm, Direct mount, off-white body Ethernet connection with PoE (Power over Ethernet) support, enabling single cable installation Supports Modbus TCP/IP and ...

Switch to the utilities.h file, at the top of the sketch, uncomment the definition of the board name you use , such as LILYGO_T_INTERNET_POE Connect external USB2TTL，such as CP2102,CP2104,CH340X Has ...