Introducing the Moxa RKS-G4028-L3-4GT-HV-T Layer 3 Modular Managed Ethernet Switch With 4 10/100/1000Baset(X) Ports, 3 Slots For Ethernet Modules, 1 Isolated Power Supply (110/220 Vac/Vdc), -40 To 75C Operating Temperature. We offer the best price and excellent service. Our dedicated team is here to find your perfect solution. Request a quote or contact us now for prompt assistance.