vda 0 Posted September 13, 2005 I have installed five samsung's SPD2500 pan tilt cameras, and i controled on rs 485 protokol vith SCC16 samsung controler. The conection is made by star configuration with CAT5E cable. Now i have total colapse of the system, i have picture but i dont have PTZ control except the camera on the longest cable with termination resistor. Please is any have any expiriance with this. View user's profile Share this post Link to post Share on other sites