The Layer 2 industrial managed Ethernet switch platform offering flexible Gigabit configurations with RJ45 and SFP ports, designed for mission‑critical applications in power substations, IEC 61850 automation systems, SCADA, industrial automation, and transportation networks. The series supports advanced redundancy technologies such as MRP, ERPS (G.8032), DT‑Ring, and DRP/DHP with fast recovery (<20 ms), along with essential L2+ features including VLAN, QoS, multicast, link aggregation, and secure management through Web, Telnet, SNMP, and IEEE 1588v2/PTP time synchronization. With IEC 61850‑3, IEEE 1613, and IEC 61000‑4 EMC compliance, rugged IP40 metal housing, fanless operation, dual redundant AC/DC power inputs, and wide operating temperature (–40°C to +75/85°C), the IESMGR 5000 Series ensures reliable performance in harsh industrial and utility environments.