
• Network Links
– Copper, Optical, Printed Circuit wiring on Back Plane
– Not directly addressable
• Traditional adapters built for copper cabling
– Restricted by cable length (signal integrity)
– For example, QDR copper cables are restricted to 7m
• Intel Connects: Optical cables with Copper-to-optical
conversion hubs (acquired by Emcore)
– Up to 100m length
– 550 picoseconds
copper-to-optical conversion latency
• Available from other vendors (Luxtera)
• Repeaters (Vol. 2 of InfiniBand specification)
CCGrid '11
Components: Links & Repeaters
(Courtesy Intel)
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