... .New original factory sealed WS-X6724-SFP=WS-X6748-SFP= Cisco 7600 Ethernet Modules WS-X6548-GE-45AFCat6500 48-port PoE 802.3af & ePoE ... 16-port GigE Mod, fabric-enabled (Req. GBICs) WS-X6748-GE-TXCat6500 48-port 10/100/1000 GE Mod: fabric enabled, RJ ... 6500 24-port GigE Mod: fabric-enabled (Req. SFPs) WS-X6748-SFPCatalyst 6500 48-port GigE Mod: fabric-enabled (Req. SFPs) CISCO ...