IEC 61850-3 Full Gigabit Managed Rackmount Ethernet Switch with 9 combo 10/100/1000BaseT(X) or 100/1000BaseSFP slots for adding SFP-1FE/1G series fast/Gigabit Ethernet modules, cabling on front panel, 1 isolated power supply (88-300 VDC or 85-264 VAC), -40 to 85°C