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Optical transceiver modules offer 14Gbit/s throughput

Posted: 14 Mar 2011     Print Version  Bookmark and Share

Keywords:fibre-optic  transceivers  interconnects  modules 

Avago Technologies samples two fibre-optic transceivers offering 14.025Gbit/s throughput per lane targeting networking and storage applications. The modules are the first in the Avago 14Gbit/s optical transceiver platform, offering increased port-density for systems compared to 8Gbit/s Fibre Channel optics.

The SFP+ transceiver addresses 16Gb Fibre Channel switches, host bus adapters, RAID controllers and tape drives, as well as inter-switch and inter-chassis aggregated links. And the four-channel QSFP+ transceiver targets switch and router interconnects for data communications and telecommunications, data aggregation and backplane applications, and proprietary protocol and high-density link applications.

The transceivers incorporate the reliability of Avago's 850nm Vertical-Cavity Surface Emitting Laser (VCSEL) technology and PIN detector technology. This combination insures that the multi-rate SFP+ module is compliant with FC-PI-5 and 16/8.5/4.25 Gigabit Fibre Channel specifications. The SFP+ module's transmitter and receiver can operate at different data rates, as is often required during Fibre Channel speed negotiation.

The hot-pluggable QSFP+ module is compliant with the QSFP+ SFF-8436 specification. The QSFP+ transceiver reduces power dissipation per lane by 50 per cent compared to 8Gbit/s Fibre Channel technology. The Avago 14Gbit/s platform has the potential to address Infiniband FDR applications as well.

The 14Gbit/s SFP+ and QSFP+ transceiver modules are currently sampling, with production expected in mid-2011.

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