The EKI-2528I-M12 unmanaged switches are designed for use in harsh environments. First of all, the switches offer 8 Fast Ethernet ports with M12-D coded connectors that can firmly connect the cables against vibration and shock. Second, the switches support 10/100 Mbps, auto MDI/MDI X. Third, supporting a wide power input range of 12 to 48 VDC with reverse polarity protection and resettable overload protection, the EKI-2528I-M12 switches are robust and economical solutions for your network. Last but not least, since the switches are IP67 rated and IEC 61131-2:2017 compliant, they are suitable for PLC applications and associated peripherals.