This product is an Ethernet bus coupler manufactured by Murr Elektronik, part number 7000-12341-0140150. This coupler is used to connect multiple Ethernet devices over longer distances, providing solutions for remote or decentralized communication. The device is IP20 rated, which means it is suitable for use in dry or indoor environments only. This specific product can be used to connect EtherCAT, PROFINET, Modbus TCP, and Ethernet/IP devices.