The 9-slot Cisco Catalyst 6509-E switch provides high port densities that are ideal for many wiring closet, distribution and core network as well as data center deployments. The Cisco Catalyst 6509-E supports Cisco Catalyst 6500 Series end-to-end operational consistency benefits. The Cisco Catalyst 6509-E supports both Cisco Catalyst OS and Cisco IOS software. It also supports up to a 6000W power supply, thus providing the ability to support large numbers of IEEE 802.3af PoE devices. The Cisco Catalyst 6509-E provides maximum uptime with redundancy and rapid (1 to 3 seconds) state full failover across supervisor engines. It supports modular Cisco IOS Software to minimize unplanned downtime through self-healing processes and simplifies software changes through subsystem in-service software upgrades. The Cisco Catalyst 6509-E Firewall Security System is a 9-slot model providing an easily deployed solution that integrates a Cisco Catalyst 6500 Series Supervisor Engine 720 (with integrated policy and multilayer switch feature cards [PFC3/MSFC3] for system control, routing services and dual Gigabit Ethernet ports). Cisco Catalyst 6500 Series Firewall Services Module providing 5Gbps of firewall services and 7 additional open slots for further customization.