fooster

Hi friend ! its my first time with rs485 utilisation and i really dont know how to operate with it, i try to send you picture of that, i have a camera having 6 cable for rs485, Red= "+" black= "-" Yellow= "zoom" Grey= "COM" purple= "Focus" brown= "menu" the supplier sent me a remote controller with receiver device. my dvr and the remote receiver have just to plug in back for rs485 , just a + - socket thank youn for your help in adavance