With the interface converter you can control a PTZ Dome Camera from your PC. The interface converter is connected to the PC by a serial port (RS232), and the dome camera is connected to the interface converter with a 2-core RS485 bus cable. You can operate a total of 31 dome cameras with your PC. One dome camera is connected directly to the converter and the other 30 cameras are connected to each other. The maximum transmission range from the interface converter to the last dome camera is 1200 metres.