I have a mix of cameras and concerned about which NVR to get from which vendor, as I expect problems when trying to connect cameras brand different than the NVR brand.
I actually need to connect these 6 POE cams to a new NVR, 2 x Dahua (SD49225XA-HNR, Z12E ), 1xUniview PTZ 5MP, 3 x HikVision...