used Cisco WS-X6816-GBIC Catalyst 6500 Gigabit Ethernet Mod

 Designed to complement the many roles that the Cisco Catalyst 6500 Series plays in a network, Cisco Catalyst 6500 Series mixed media Gigabit Ethernet modules offer the broadest selection of media, densities, performance, interoperability, and chassis deployments for enterprises and service providers. These modules are ideal for gigabit Ethernet over fiber to the desktop, gigabit uplinks, aggregation of high-density 10/100 interfaces, Metro Ethernet, backbone and high-speed server farm or data center connections as well as mixed media environments supporting both fiber and copper cable connections. The Cisco Catalyst 6500 Series Gigabit Ethernet modules offer: 

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