I wanted a USB stick so that I didn’t have to shut down the server to install or fiddle with it. It was a bit of a struggle to pin down exactly what video capture hardware is supported by Ubuntu. If you don’t already have power on your camera, that video also mentioned that you can use the other three pairs joined together to feed power along the same cable run. I don’t know if it’s important to get the polarity right at both ends, but I used the striped wire to connect to the ‘positive’ or ‘tip’ terminal, and the solid-coloured wire for the other terminal. I’ve seen a few different ways of wiring them up, but I followed this video which involves using one of the four pairs in the CAT5e cable. Note the BNC-to-phono adapter.A CCTV balun looks like a small black box with two screw terminals at one end, and a BNC plug coming out of the other. A balun connected to the Hauppauge's composite input.
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