Rittal and its Canadian subsidiary Kaparel have extended their range of backplanes with the introduction versions using the advanced telecom computing architecture (ATCA). They range from backplanes with four slots for development projects or for horizontal chassis applications in connection with full-mesh structures, through to systems with 16 slots to comply with the ETSI guidelines and the demands of 600 mm rack-mounted systems.
Rittal’s 14-slot full mesh AdvancedTCA backplane
In a recent test conducted by Xilinx, Rittal claims its ATCA full-mesh backplane with just 18 layers - compared to the usual 32 layers - returned a performance of 5 Gbps. The PICMG 3.x standard specifies a minimum of 3,125 Gbps. When upgraded with Xilinx Virtex-II Pro X FPGAs, the backplanes achieved even 10 Gbps, which represents a performance three times higher than the PICMG specifications, it says. The resulting challenges with regard to cooling are solved by Rittal with correspondingly designed shelf technologies in 12 and 13 U heights with integrated heat management.
Photo shows the thermal image of the Kaparel/Rittal backplane under full load conditions - 14 slots at 200 W each. The red imaging at the top is the feed-through from load resistors
Rittal's ATCA backplanes possess a dual intelligent platform management interface (IPMI), which can be configured either radially or as a bus. The available range includes Full Mesh, Dual Star and Dual-Dual Star configurations, as well as Dual-Dual Star versions with mesh overlay.
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