The company’s latest 40G ATCA backplanes (four channels x 10 Gb/s) rely on the design principles of IEEE 802.3-2008/802.3ba-2010 standards. They feature a controlled-impedance stripline design of 18 layers in a Dual Star configuration. Using Nelco 4000 13-SI laminate material, other features include dual shelf manager connectors in slot 0 for redundant IPMB implementation and up to 400W/slot 48VDC distribution to each slot. ELMA BUSTRONIC CORP., Fremont, CA. (510) 490-7388.