I used pre made (store-bought) cables and tried 3 different short cables - none worked. The cables work fine for the one camera but will not work for the other camera unless I hook up power.
My new Dahua NVR is a NVR4108-8P-4KS2 with POE. I also have two never installed cameras bought in 2018. I am setting up the camera system inside my house before I mount them outside. The HFW53231EP-Z5E works fine with the NVR. The HDW5231R-ZE only works if I connect up external power. I...