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New And a question Im trying to connect a ptz camera to my dvr rs485. I know I gotta put only two wire 1 positive and 1 negative into it but my camera has 7 wires going into the ptz camera. How do I get the 7 into 2 wires to go into the rs485?? I would love to attach a pic, but can manage to do it

Im trying to connect a ptz camera to my dvr rs485. I know I gotta put only two wire 1 positive and 1 negative into it but my camera has 7 wires going into the ptz camera. How do I get the 7 into 2 wires to go into the rs485?? I would love to attach a pic, but can manage to do it.