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Hamed

Noise in the camera

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Hi

My English is not good i apologize for this
I Connect DVR and Camera to a 12V power supply (both to one source), horizontal line shown in video when i disconnect HDD or connect DVR and Camera to different power source Problem Solved!
change power source, DVR, camera, HDD and use 12V UPS but the problem is still there! i want use 12V UPS, for this reason have to use same power supply for camera and DVR
thank you...

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So how can i use ups 12V as power supply for camera and dvr?

You mean i should use to separate ups for cameras and dvr?

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Hi. It sounds like you are using a power supply with battery backup which is not the same as a UPS 

 

also you need to take into account the amp demand of your dvr ….. which is why it is always supplied with its own power supply …. It uses more amps than your camera

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