Wireless Antenna Power Supply Cisco ® Catalyst ® Express 520 Series Switches provide a secure, high-performance foundation for your essential business applications that is both affordable and easy to deploy and use. A component of the Cisco Smart Business Communications System-a complete system of advanced voice, data, video, and wireless networking products designed specifically for SMBs-the Cisco Catalyst Express 520 Series supports your business' voice, security, and wireless networking services with a single, comprehensive platform. Cisco Catalyst Express 520 Series Switches Cisco Catalyst Express 520 Series Switches are a family of fixed-configuration, Layer 2 managed Ethernet switches that provide the reliability, scalability, and rich feature set your business needs in a cost-effective, easy-to-manage platform. Designed specifically for organizations with fewer than 250 employees, the solutions provide: * Wire-speed Fast Ethernet and Gigabit Ethernet connectivity * Power over Ethernet (PoE) to provide 15.4 Watts simultaneously on all PoE ports * Quality-of-service (QoS) intelligence to prioritize delay-sensitive traffic * Robust integrated security to protect management traffic * Simple deployment, centralized management, and troubleshooting * Scalability to continually incorporate new applications and services over time * Easy integration with established architectures without requiring major upgrades to the network infrastructure