The 173972 Erni backplanes are used in CompactPCI computer systems. Its high-performance features make it ideally suited for telecom, datacom and industrial applications like CNCs, robotic controls and video image processing. The inherent limitations of CompactPCI are minimised by the use of a PCI-to-PCI bridge. This backplane may be used to implement a two-bus multiprocessor system if equipped with a nontransparent bridge module.
Key features: form factor 3 U; dimensions: 283,5 x 128,7 mm (LxH); 11 slots, 10 peripheral slots; two cPCI bus segments bridged with Intel 21154 transparent bridge; four slots in primary segment 66 MHz bus operation capability - full 64-bit implementation; seven slots in secondary segment with 33 MHz clock; 32-bit implementation; six slots with I/O capability; AB-shrouds with guides for safe mating of rear I/O transition modules; fully shielded 10-layer PCB for best EMC characteristics; decoupling of supply voltages; V(I/O) selectable - 3,3 or 5 V; controlled impedance of 65 W by stripline technology; hot-swap features.
Power supply is via DIN style M connector - PICMG 2.11 R1.0 alternatively via 20-pin ATX connector.
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