Half a terabit per second on a single fiber pair.

XKL believes a typical customer could, with multiple gigabit Ethernet or high-speed SONET services between buildings, see bandwidth costs reduced 50 to 75 percent by utilizing the DXM optical transport system and taking advantage of an established fiber infrastructure. Furthermore, monthly recurring charges for the fiber should remain constant as bandwidth approaches half a terabit per second on a single fiber pair.

Read more at XKL.com.