The Catalyst 4000 family has a proven track record for wiring closet connectivity. Cisco introduces the Catalyst 4006 system, expanding the breadth and depth of the advanced Catalyst 4000 family to further enhance the premier Cisco enterprise wiring-closet offerings. The Catalyst 4006 system provides a cost-effective flexible network solution that scales to meet today's high-performance needs and provides investment protection for the future.The Catalyst 4000 family, now with two chassis alternatives, provides a common architecture that scales from 32 ports all the way to 240 ports of 10/100 Fast Ethernet. The Catalyst 4006 enhances the Cisco commitment to affordable enterprise and branch scalability.The Catalyst 4006 chassis offers: a flexible six-slot modular chassis, with one slot reserved for a supervisor engine and five remaining slots for switched port modules; three power supply bays that support redundant (option), load-sharing, fault-tolerant AC power supplies; a hot-swappable fan tray bay; familiar Catalyst 5500/5000 look and feel with consistent interfaces and indicators; up to 240 10/100 Fast Ethernet ports, with dual Gigabit Ethernet Uplink ports; modular chassis flexibility and the variety of module speed mixes. The Catalyst 4006 meets requirements for device redundancy, link resiliency and network availability and is especially designed for high-speed connections of your company's servers.