Traditional Culture Encyclopedia - Photography and portraiture - The digital surveillance camera was installed two months ago, but I don't know what happened recently. All four cameras are flashing images, and the black screen will come out soon.
The digital surveillance camera was installed two months ago, but I don't know what happened recently. All four cameras are flashing images, and the black screen will come out soon.
Check the power supply. If you use POE switches, please consider the number of switches and the power of the dedicated power supply.
Check whether the line is damaged, especially where it is easy to touch.
Check whether the crystal head at the interface is loose or short-circuited.
Check the connection between the monitor and the monitoring host, and check whether the line is loose or damaged.
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