IES1028-4GS industrial Ethernet switches consists of 24 Ethernet ports and 4 Gigabit (SFP slot) ports that provide an economical solution for your industrial Ethernet connection. IES1028-4GS switches have an operating temperature range of -40 to 75°C, and are designed with low consumption and without fan. The rugged hardware design makes the IES1028-4GS perfect for ensuring that your Ethernet equipment can withstand the rigors of industrial applications.