This site has been of great help to me. I have a problem i have not been able to locate on any of the threads however. Bought a DS-2DE4225IW-DE head and installed. On the very 1st night extreme storm blew in and water seeped into the POE connector located close to the head. My own fault for having not water proofed better. The result after just 1 night saw the ethernet plug male&female almost melted. The lins were covered in the kind of muck you find after leaving such a connection...
Wiring POE from 2019 model HIKVISION PTZ head
Wiring POE from 2019 model HIKVISION PTZ head