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Do pair selection matters? For example using the blue/bluewhite for balun +/- instead of using for example orange/orangewhite will make any difference. I assume that all pairs are equal, but somewhere i read that they have diffirent resistance, but i may be wrong.

Yeah you may be right in a matter of speaking, but one factor is always the cost and IP cameras cost even more, NVRs cost more, PoE switches may solve a lot of problems but they cost more and i was searching for a modest (considering money) solution. @bigredfish: Yes using a separate PSU to...

Hello and greetings to all, Recently i installed a Dahua DVR (XVR5116HS-I3) with Dahua Cameras (Dahua HAC-HDW1509T-A-LED-S2) and for some cameras i am getting horizontial lines that tremble on my output. I have used Dahua U/UTP Cat.5e Cable with Dahua Passive balun. I have a central power...