Vanxse CCTV 20Meters RS485 Signal Transmission Cable for Control CCTV PTZ Security Camera

perhaps you have a node and a lot with the camera you want to control it but you don't know how this video I'll explain how to use rs-485 to do this job so keep watching ok let's talk about PTC and rs-485 so you can control your camera remotely using your DVR or your joystick using extra cables okay I'm talking about analog camera right so here I have an example with the PTZ camera here connecting to a DVR using a cable a coaxial cable so I can send video from the camera to the DVR and I I can also send comment comments to the camera using extra cables right I'm not talking about coax it your own control or sec vc control oxygen is a power control you can send commands using the video cable the coaxial cable right I'm not talking about this let's suppose there is there's no option here to use this and also not talking about GCV see that's a ssangsun protocol that allows you to send comm