Advantech, Industrial Automation Group's EKI-2741 converters
EKI-2741 converts Gigabit Ethernet networks to Gigabit fiber networks by transparently converting Ethernet signals to optic signals. It acts as a solution for applications that require wide bandwidth, EMI immunity and long-distance transmission capability. The switch supports MD/MDIX auto detection, so users don’t need to use crossover wires. Surge protection is 3,000 Vdc.