Dahua Technology XVR4 Series - 4.4 Connecting to RS-485 Port

Connecting Basics 36
4.4 Connecting to RS-485 Port
Connect the RS-485 cable of the PTZ camera to the RS-485 port on the Device. Step 1
Ensure the match of A and B interfaces.
Connect the video out cable of the PTZ camera to the video input port on the Device. Step 2
Turn on the PTZ camera.Step 3