ive just got a qvis ptz camera for the power it has 3 wires positive, negative & earth what I need to know is what to do with the earth wire ( what do I connect it to ) its a 24 volt power supply
any help would be appreciated
can anyone help me in connecting a ip keyboard to a nvr to control my pzt cameras
all I know is that you connect the keyboard to the hub/modem but where do I go from here ???
any help would be very much appreciated