The IT-ES3012G-IU-4GS series switches are high-performance, cost-effective, industrial-grade unmanaged Ethernet switches designed for the power industry. These switches support 8 10/100/1000Base-T(X) Ethernet ports and 4 1000Base-SFP slots (optional). All RJ45 Ethernet ports of switches support automatic flow control, full/half duplex mode and MDI / MDI-X adaptation. Products with fanless, low power design, work performance more stable. Products meet the FCC, CE standards, -40 ~ 75 ℃ operating temperature range to adapt to the harsh working environment, all components are selected industrial grade, to achieve a high reliability, for the power industry users Ethernet device connection Provide a reliable, economical solution.