The Cisco ESW 500 series, part of the Cisco Small Business Pro series, is a group of managed Ethernet switches that provide wire-speed Fast Ethernet and Gigabit Ethernet connectivity, integrated security, quality of service (QoS), and Power over Ethernet (PoE) to support all of your business network needs. These switches integrate easily with Cisco Small Business Pro products as well as the Cisco Smart Business Communications System to provide a complete data, voice, video, and wireless networking solution for your business. With the Cisco ESW 500 series, you can take advantage of a proven network solution and a broad portfolio of high-performance, easy-to-manage switches that are designed and priced for small businesses.The Cisco ESW 500 series switches provide security, management, and other capabilities far beyond what unmanaged or "smart" switches can provide, without requiring you to configure features you don't need. The switches were designed to be part of the complete line of Small Business Pro networking and voice communications products that work together as part of proven, fully integrated, easy-to-use small business solution.