IES1024-4F industrial Ethernet switches consists of 20 10/100M Ethernet ports and 4 100M Fiber ports that provide an economical solution for your industrial Ethernet connection. The IES1024-4F 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 IES1024-4F perfect for ensuring that your Ethernet equipment can withstand the rigors of industrial applications.