(redirected from IEEE 1394b)
Also found in: Dictionary.
Related to IEEE 1394b: FireWire, 1394a


(computer science)



Officially the IEEE 1394 High Performance Serial Bus (HPSB), FireWire is a high-speed interface mostly developed and promoted by Apple for video transmission. Introduced in 2000, FireWire was added to camcorders and a variety of A/V equipment. Even early iPods could connect via FireWire. Still included on Mac laptop and desktop computers, modern camcorders have replaced FireWire with USB, HDMI and other video outputs.

FireWire 400 and 800
FireWire 400 is limited to a distance of 4.5 meters. In 2003, FireWire 800 increased the range to 100 meters and doubled the transfer rate. FireWire supports 63 devices, real-time data transfer, hot swapping and simultaneous multiple speeds. The faster 1600 and 3200 versions never got into production.


  FW400     400 Mbps

  1394b - 100 METER CABLE LENGTH

  FW800     800 Mbps
  FW1600   1600 Mbps
  FW3200   3200 Mbps

FireWire Sockets and Compatibility
FW800 is backward compatible with FW400. One end of a "bilingual cable" has an FW800 plug, while the other end is FW400. Sony's i.Link is a miniaturized socket that connects to cables with i.Link, FW400 or FW800 at the other end.

Easy to Tell
FireWire cables are easily distinguished from their USB counterparts.

Dual Mode FW/USB
This external hard drive can connect to the computer via FireWire or USB, whichever cable is plugged in.
References in periodicals archive ?
2 Gigabit IEEE 1394b PHY IP, which will initially be implemented on a Xilinx FPGA, comprises an IEEE 1394b standards-compliant PHY IP boasting throughput rates of up to 3.
SAN FRANCISCO -- A new article from the 1394 Trade Association reviews the successful deployment of IEEE 1394b (FireWire) as an aircraft Vehicle Management System (VMS) network, in the X-47B Unmanned Combat Air System Demonstration.
RICHMOND, British Columbia -- Point Grey, a world leader in advanced digital imaging products, today announced the launch of its new Grasshopper Express GX-FW series of IEEE 1394b (FireWire-b) digital cameras.
EQCO875SC supports key protocols including Ethernet (fast and gigabit), IEEE 1394b (Firewire) and LVDS.
2 Gigabit IEEE 1394b FireWire system-on-a-chip solution at VISION 2009 in Stuttgart, Germany.
The EQCO800SC supports a number of key protocols including IEEE 1394b (FireWire), Ethernet (Fast and Gigabit), and LVDS.
Versatile, IEEE 1394b "Firewire" Camera Delivers Fast Acquisition Speed, Extreme Sensitivity, and Exceptional Temporal Resolution to Life Science Researchers
The FireTrac IEEE 1394b Test & Simulation Platform is used as the key component for the Mission Systems new 1394RMS platform, i.
The product is targeted at applications requiring up to 800 Mbits/Sec of bandwidth and embedded designs requiring a general purpose IEEE 1394b Link Layer Controller.
The new electrical specification, known as S3200, builds upon the IEEE 1394b standard, preserving all the advantages of FireWire while offering a major and unprecedented boost in performance.
The product is targeted at applications requiring up to 800 Mbits/Sec of bandwidth and embedded designs requiring a high performance general purpose IEEE 1394b Link Layer Controller.