WS-XG-3CXL= C6K 8 port 10 Gigabit Ethernet module with DFC3CXL (req. X2) WS-XG-3CXL C6K 8 port 10 Gigabit Ethernet module with DFC3CXL (req. X2) WS-XG-3C C6K 8 port 10 Gigabit Ethernet module with DFC3C (req. X2) WS-XG-3C= C6K 8 port 10 Gigabit Ethernet module with DFC3C (req. X2) WS-X670810G3CXL-RF C6K 8pt 10GB EthernetModule w/ DFC3CXL(req.X2)REMANUFACTURED WS-XG-3C-RF C6K 8pt10GB Ethernet Module w/DFC3C (req. X2) REMANUFACTURED WS-XGE Catalyst 6500 16 port 10 Gigabit Ethernet Base Module WS-XG-2TXL Catalyst 6900 Series 4-port 40G/16-port 10G Fiber Mod DFC4XL WS-XG-2T Catalyst 6900 Series 4-port 40G/16-port 10G Fiber Mod DFC4 WS-XG-2T C6K 8 port 10 Gigabit Ethernet module with DFC4 (Trustsec) WS-XG-2TXL C6K 8 port 10 Gigabit Ethernet module with DFC4XL (Trustsec) WS-XG-2T= Catalyst 6900 Series 4-port 40G/16-port 10G Fiber Mod DFC4 WS-XG-2TXL= Catalyst 6900 Series 4-port 40G/16-port 10G Fiber Mod DFC4XL WS-XG-2TXL= C6K 8 port 10 Gigabit Ethernet module with DFC4XL (Trustsec) WS-XG-2T= C6K 8 port 10 Gigabit Ethernet module with DFC4 (Trustsec) S WS-XG-2T++= Catalyst 6900 Series 4-port 40G/16-port 10G Fiber Mod DFC4 WS-XG-XL++= Catalyst 6900 Series 4-port 40G/16-port 10G Fiber Mod DFC4XL 2D-XG-2TXL= Cat 6900 Series 4P 40G/16P 10G Fiber Mod DFC4XL w/2D Barcode 2D-XG-2T= Cat 6900 Series 4P 40G/16P 10G Fiber Mod DFC4 w/2D Barcode 2D-XG-2TXL= C6K 8P 10G Ethernet module w/DFC4XL (Trustsec) w/2D Barcode 2D-XG-2T= C6K 8P 10G Ethernet module w/ DFC4 (Trustsec) S w/2D barcode