Moxa PT-7528-20MSC-4TX-4GSFP-WV
IEC 61850-3 managed rackmount Ethernet switch with 20 100BaseFX ports (MSC), 4 10/100BaseT(X) ports, and 4 1000BaseSFP ports, for a total of up to 28 ports, 1 isolated power supply (18 to 72 VDC), -40 to 85°C operating temperature