Cómo y soluciones de problemas
An NVR can list a camera as online and still show a black screen even when the camera is producing video. Start by checking whether a compatible local viewer can display the exact stream the recorder requests. Then compare the stream profile, login permissions, recorder limits, and installed network
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A PoE camera that behaves all day and restarts as soon as night mode comes on often points to a load-related problem, but confirm the reboot first. Then compare the camera's maximum demand with the port limit and the switch's shared PoE budget. Work through the cable path one change at a time, using
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