News

23 March 2010

 

Avago launches 40Gb/s Ethernet QSFP transceiver for short-range multi-lane communication and interconnect applications

At this week’s OFC/NFOEC 2010 event in San Diego (23–25 March), Avago Technologies announced sample availability of a four-channel pluggable parallel optic QSFP transceiver module for 40 Gigabit Ethernet applications.

The latest addition to Avago’s expanding portfolio of QSFP transceivers is a high-performance module, fully compliant to the IEEE 802.3ba 40GBASE SR4 specification. It provides a solution for multi-lane data communication and interconnect applications that integrate four independent 10Gb/s data lanes in each direction to provide 40Gb/s aggregate bandwidth. In addition to 40Gb/s Ethernet interconnects, the transceiver can be used in datacom/telecom switch and router connections, as well as data aggregation and backplane applications.

With the need for high bandwidth and density in many of today’s data centers and high-performance computing applications, the bandwidth limitations, power and size requirements of copper interconnects are reaching their limits and rapidly becoming less effective, says Avago. System designers are hence making the transition to optical interconnects, which can handle much higher bandwidths for longer reach, while consuming less power, and with improved EMI and flexible cable management than copper interconnect solutions.

Avago says that its QSFP transceiver module provides maximum flexibility to support installations of varying cable links or for difficult cable plant installations. The new module incorporates the firm’s proven integrated circuit and vertical-cavity surface-emitting laser (VCSEL) technology to provide high performance and long-life reliability. With data rates of 10Gb/s for up to 100m using OM3 fiber, the QSFP module is designed to operate over multimode fiber systems using a nominal wavelength of 850nm. The electrical interface uses a 38 contact edge type connector, while the optical interface uses either an 8- or 12-fiber MTP (MPO) connector.

Avago claims that the QSFP transceiver module also provides superior electro-optical performance to enable the optimal jitter performance required for high-speed computing, server clustering, Infiniband and Ethernet switching and core routers. The transceiver is also hot pluggable for ease of installation and servicing, and backward compatible with 5 and 2.5Gb/s per channel applications.

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