All cameras are on 2A adapters. 6 cameras get their power through individual power line, camera 7&8 get their power over the LAN. All cameras work fine. When I connect camera 7 to the power supply it will have minor interference. The more cameras I connect to the power supply, the interference worsens.\ By the time I have connected 4 random cameras, the interference on the camera 7&8 is so bad they are unwatchable. The 2 other cameras will have minor interference at that point. If I remove the mains from the power supply, all interference disappears as snow for the sun. I just grounded the DVR case with a separate wire, but that doesn't make a difference
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