The EKI-2528I-M12 unmanaged switches are designed for application in harsh environments. First of all, the switches provide 8 Fast Ethernet ports with M12 D-coded connectors which can connect the cables tightly against vibration and shock. Second, the switches support 10/100 Mbps, auto MDI/MDI X, broadcast storm protection. Third, when supporting wide power input ranging from 12 to 48V with Polarity Reverse Protection and Overload Current Resettable Fuse, the EKI-2528I-M12 switches are robust and economical solutions for your network. Finally, as the switches are IP67-rated and is compliant with IEC 61131-2:2017, they are suitable for PLC application and their associated peripherals.