24+4G-port Managed Gigabit Ethernet switch, 110/220 VAC/VDC power,-10 to 60°C
24+4G-port Managed Gigabit Ethernet switch, dual 12/24/48/-48 VDC,-10 to 60°C
24+4G-port Managed Gigabit Ethernet switch, dual 12/24/48/-48 VDC,-40 to 75°C