Designed for mainstream enterprises looking to evolve their unified communications capabilities, the Ethernet Routing Switch 4500 Series is a range of Fast Ethernet and Gigabit Ethernet switches that offer excellent performance and are highly energy-efficient. They are used in enterprise wiring closets and offer a range of features that include IP routing, Quality-of-Service, convergence, and security. These switches offer high reliability with its external redundant power supply option and resilient stacking capability.