With customers and employees depending on your business more than ever before, a slow or unreliable network is not an option. You need an it backbone that provides excellent performance, nonstop availability, and advanced security. The ideal network will be easy to manage, support advanced features that will grow with your company, and be at a price that's affordable. Power over Ethernet - The Power over Ethernet Plus (PoE+) standard provides up to 30 watts of power per port. The 550X switches also support 60W PoE on selected ports to power compact switches and high-power wireless access points.