XAUI is commonly used as backplane in networking switches to connect line cards to switch cards. Pericom offers a wide variety of ReDrivers, signal switches and timing devices for the XAUI protocol.
XAUI is a standard for extending the XGMII (10 Gigabit Media Independent Interface) between the MAC and PHY layer of 10 Gigabit Ethernet (10 GbE). It consists of 4 serial lines at 3.125 Gb/s data rate. There is also extension of XAUI speeds at 6.25 Gb/s serial rate.