Unibrain FireRepeater 400 FireWire IEEE 1394a Repeater Hub 3 Port

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FireWire Repeater Hub More Like This Unibrain's 3 Port Repeater Hub provides port expansion on FireWire® IEEE 1394 device chains. The platform agnostic device provides three 6 pin IEEE 1394 ports with a maximum throughput of up to 400 Mbps each. The Hub utilizes IEEE 1394 bus power, or accepts an optional power adapter for use with devices requiring more power. Repeater hubs provide bus flexibility in that they allow for daisy chaining and/or hierarchical (tree) bus configurations. Repeater hubs also provide a means to lengthen the distance between devices when 1394's cable length of 4.5 meters (15 feet) is inadequate. Simply daisy chain repeaters between cables to extend your reach to 110m.

Part Number and Description Price Add to Cart
FW-FIO-UB3PRH Unibrain FireRepeater 400 FireWire IEEE 1394 Repeater Hub 3 Port
Power Supply sold separately (see optional accessories). Most applications don't need power supplies.

Features and Specifications

CE Mark

FireWire Logo

Vista Ready

  • Fully IEEE 1394, FireWire, iLink compliant
  • Add three FireWire IEEE 1394 Ports (6-pin) to a device chain
  • Platform and Device agnostic, works with any IEEE 1394.1995/a compliant device, host or OS
  • Optional power supply available (purchase separately) for devices needing bus power
  • add or reinforce DC Power Supply capability of your FireWire connection
  • Allow multiple repeaters' connection for extra distance (up to 110m)
  • High speed transfer rate up to 100, 200, and 400Mbps
  • Compact and lightweight for portable applications
  • Plug and play, and no software drivers needed
Warranty Information
  • Manufacturer's 5 Year Limited Warranty
Physical Layer Device
  • Texas Instruments® TSB41AB3
Port Interface
  • Three port IEEE 1394 interface (6 pin connector)
  • Supports hot plug and plug and play functions
  • Two downstream, one upstream port
Transfer Rates
  • Up to 100, 200 and 400 Mbps
  • Both asynchronous and isochronous data transfers are supported
  • Supports real time critical applications such as DV Cameras
  • Supports non real time critical applications like printers, scanners
  • Both tree and serial bus topology supported
  • 64 bits device addressing
  • Multi-master capability
Package Includes
  • Three port FireWire IEEE 1394 Repeater Hub
Electrical Characteristics
  • Auto switching power from IEEE 1394 bus power or external DC power
  • Total output DC 12V/1.5A to supply the devices
  • Optional 12VDC adapter power supply
Operating Environment
  • Operating temperature: 0° C to 65° C
  • Operating relative humidity: 10-90% (max.) non-condensing
Physical Characteristics
  • Dimensions: 7.2 x 5.9 x 2.0 cm (LWH)


W3 Document FireWire Repeater Port Count and Daisy Chaining
How to count ports on peer to peer hubs and how to daisy chain hubs
W3 Document XP SP2 FireWire Performance Fix
Performance of 1394 devices may decrease after you install Windows XP Service Pack 2
Microsoft document and download for fixing possible performance decreases after SP2 installs
W3 Document UltiFire FireWire IEEE 1394 Hard Drive FAQ and Information
FAQ and comprehensive information on all Synchrotech UltiFire Hard Drives and FireWire Products
For all Synchrotech FireWire Products * Date 2002.01.22
W3 Document Bridging FireWire 400 to FireWire 800
FAQ and product solutions for connecting between FireWire 800 and FireWire 400. Addresses 9, 6, and 4-pin scenarios.

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