Cisco Catalyst 6506 6-Slot Network Switch Series High Speed Fan Tray Module WS-C6K-6SLOT-FAN2.Model Number: WS-C6K-6SLOT-FAN2Fan Module Part Number: FFB1212SHCompatible Part Numbers: 800-22098-03Compatible Models: Cisco Catalyst 6506 6-Slot SeriesSpecifications:- Designed for 6-Slot Catalyst 6506 Series- Houses 6 High-Speed Fans- Status LED