New capabilities, sizes, features and bus extensions are all a part of firm's expanded line of CompactPCI backplanes. They offer from four to eight slots in both 3U and 6U form factors, with the 6U size featuring the pins for customer specified I/O. A variety of options for power supply connections, including ATX, mate-and-lock power, and pluggable power supply connections, are also available. Other backplane capabilities include telephony bussing and PXI designs for instrumentation applications.