Applies to: All NVR&NVR system
Could you please check if the camera supply by 1-4 splitter or independent adapter
Please remove 1/4 splitter to have a try. If the camera can get power without 1/4 splitter, it can prove 1/4 splitter is broken
Please change another cable with different power and BNC, it can identify if the issue case by the cable or not
Please change the camera to another port, and also please plug the running camera into the issue channel, it can identify hf the DVR port issue
Once confirm the issue, Kindly please send the camera label to email@example.com.