irac511

ok I'm new here and had just bought a ge security legand ptz camera it is used I downloaded the user manual I believe everything is setup right I have video and the camera does its setting up task when powered on so I know the motors work I'm wondering if my power for the rs 485 from my dvr is not right I'm using cat5 wire but using 1 color of the twisted wire should I be using 2 colors of wire since there twisted I'm not sure I'm not very good at setting up this thank you for your response