First time installing Dahua IP Cameras

[looney2ns]

Ive done that, Ive unplugged it, deleted it and then when I connect each end of the rj45 cat5e cable it finds the camera, but it doesnt say Port 3 as all of the other cameras say Port 1 this says 3777.

Study this: ***PSA for those with a New DAHUA NVR with Built-in PoE switch | IP Cam Talk

 

[RDB85]

Okay my issue is if I plug a short patch lead in, works no problem. I then plug in a 25m patch lead and the camera status is red.