Constantly increasing bandwidth requirements in all areas of communication and computing are putting greater and greater demands on networking I/O equipment, and current edge-mount copper or fibre interfaces are at their limits.
Embedded parallel-optics have evolved to meet these demands. High-performance routers, switches and computers have already utilised this technology for a decade. It is used in a wide field of applications today: in links between nodes of supercomputers or switches in international Internet gateways as well as data centres and central offices.
Embedded opto-electrical modules, optical engines, utilise parallel-optics transmitter and receiver arrays. For optimum signal integrity, thermal management, I/O consolidation and EMI/ESD, the opto-electrical modules are directly mounted close to the processors at the PCB. Parallel-optic links can complement electronic signalling in parallel lanes like XAUI and PCIe.
Rosenberger’s PRIZM Light Turn technology is designed to overcome distance and bandwidth limitations of PCB copper strip lines. In addition to its small form factor enabling increased board component and card edge I/O densities, it offers greater energy efficiency and EMI immunity. Improved thermal management and lower PCB design complexity are possible, which in turn can help to lower latency, power usage and cost per gigabit.
Available designs include bare ribbon connector to bare ribbon connector; bare ribbon connector to bare MT ferrule; 1 to 4 bare ribbon connectors to MTP connectors 12, 24, 36, 48 fibre; and round jacketed cable connector to round jacketed cable connector.
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