The RX9001 makes sure that you are in complete control of your entire in-house installation and gets the maximum out of your RC9001 remote controler. This extremely flexible network extender has a multitude of of advanced connectivities: 4 addressable IR-ports, 4 RS232 serial interface, 4 relay outputs, 4x input power sensors and 1x voltage output, all packed into a solid 19 inch rack mountable housing. The RX9001 is able to operate in a wired network via standard CAT5-cable and supports DHCP and fixed IP-addresses for flexible and easy network configuration. creativity to a new level and enjoy perfect control like never before, in true Marantz style.