Cisco Catalyst 6900 Series 4-Port 40 Gigabit Ethernet Fiber Module with DFC4XL
Cisco Catalyst 6900 Series 4-Port 40 Gigabit Ethernet Fiber Module with DFC4XL expansion module - 4 portsCisco Catalyst 6900 Series 4-Port 40 Gigabit Ethernet Fiber Module with DFC4XL expansion module - 4 ports
