Siemens' Distribution Automation Box is an economical and versatile solution for monitoring and remote control of secondary distribution substations or connection points for renewable energies. We improve grid reliability and. remote management of Arctic gateways, controllers and the remote I/O unit RIO600. Our device seamlessly integrates a cellular modem with a 4-relay switch in a compact design. Operators can effortlessly connect via the cellular network. This intelligent power distribution unit (PDU) remotely manages and controls the power supply of up to 4 devices via TCP/IP and network connection. With its small form factor, this. The Relevance Inspector will open in the Coveo Administration Console.