Avago's new transceivers operate at 5 and 10 Gbps per channel

MARCH 26, 2009 -- Avago targets designers of multichassis datacom and telecom system applications with hot-pluggable QSFP transceivers.

MARCH 26, 2009 -- Avago Technologies (search Lightwave for Avago), a supplier of analog interface components for communications, industrial, and consumer applications, has released two new QSFP MSA-compliant fiber-optic transceivers for short-range parallel multiline data communications and interconnect applications. The new four-channel AFBR-79Q4Z and AFBR-79Q5Z transceivers operate at 10 Gbps per channel and 5 Gbps per channel, respectively, and are designed for multimode fiber systems that operate at a nominal wavelength of 850 nm.

Avago says its QSFP transceivers target high-performance computing and high-speed interconnects; InfiniBand quad (QDR), double (DDR), and single data rate (SDR) interconnects; high-bandwidth backplane extensions; PCI Express; and datacom/telecom switch and router backplane connections.

The optical interface of the AFBR-79Q4Z/79Q5Z uses the standard MTP 12 fiber ribbon-cable connector. The QSFP MSA transceiver package provides designers with a hot-pluggable option, which helps to keep end-user deployment costs low. The QSFP transceiver modules incorporate the company's 850-nm VCSELs coupled with its in-house engineered transceiver circuits.

"Driven by the need for speed and performance, the Avago 20/40-Gbps QSFPs are geared to satisfy the bandwidth, density, and cost requirements of system designers," says Sami Nassar, senior director of marketing, Fiber Optic Product Division.

Key features include:

  • High channel capacity: 40 Gbps per module
  • High port density: 21-mm horizontal port pitch
  • Avago 850-nm VCSEL technology
  • Avago-designed transceiver ICs
  • Hot-pluggable transceiver for servicing and ease of installation
  • Backwards compatible to 5-Gbps DDR InfiniBand and 2.5-Gbps SDR InfiniBand
  • Two-wire serial (TWS) interface with maskable interrupt for expanded functionality

Avago's 40G and 20G QSFP transceivers are available now and shipping in high volumes.

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