Z-KEY is a device that can extend networks and allow the transfer of process data between different levels of IT and industrial communication architecture. Z-KEY offers signals transmission between ModBUS TCP-IP / ModBUS RTU in different modes, increasing the number of connected nodes and network distances. The device can also extend the serial network operating as a transparent Remote virtual COM to the serial communication protocol.Equipped with nr. 1 10/100 Tx Fast Ethernet port and nr. 2 serial ports (RS232 / RS485, RS485), Z-KEY offers multiple methods of configuration through DIP-switches, web server, software tools (SESC, SDD, EASY Z-KEY) or via mobile app. Z-KEY advanced functions include supporting SENECA IoT Server "Cloud BOX", advanced serial diagnostics, "Quarantine mode" with time settable for in fail devices.