Complex sentence: Most 10 GIG-Ethernet Products require an off the shelf SerDes devices to make the transition from XAUI to XFI however, as of August 2006 Fujitsu has introduced an integrated 10 GBE devices that has both XAUI and XFI capabilities.
Split into simpler sentences: Most 10 Gigabit Ethernet Products require an off the shelf SerDes devices to make the transition from XAUI to XFI. Some devices, including one from Fujitsu, has an integrated 10 GBE devices that has both XAUI and XFI capabilities.