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Unibrain's 3 Port Repeater Hub provides port expansion on FireWire® 800 IEEE 1394b device chains. The platform agnostic device provides three 9 pin (bilingual) IEEE 1394b ports with a maximum throughput of up to 800 Mbps each. The Hub utilizes IEEE 1394b bus power, or accepts an optional power adapter (sold separately) 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.
Unibrain's 3 Port Repeater Hub provides port expansion on FireWire® 800 IEEE 1394b device chains. The platform agnostic device provides three 9 pin (bilingual) IEEE 1394b ports with a maximum throughput of up to 800 Mbps each. The Hub utilizes IEEE 1394b bus power, or accepts an optional power adapter (sold separately) 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.
Features and Specifications
Features and Specifications
Features
Fully IEEE 1394b, FireWire, iLink compliant
Add three FireWire IEEE 1394b Ports (9-pin) to a device chain
Platform and Device agnostic, works with any IEEE 1394.1995/a/b complaint device, host or OS
Fully Supports Provisions of IEEE 1394a-2000 and 1394-1995 Standard for High Performance Serial Bus
Optional power supply available (purchase separately) for devices needing bus power
Fully Supports Provisions of IEEE P1394b revision 1.20 at 1 Gigabit Signaling Rates
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, 400, and 800Mbps
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® TSB81BA3
Port Interface
Three port IEEE 1394b interface (9 pin bilingual connector)
Supports hot plug and plug and play functions
Two downstream, one upstream port
Transfer Rates
Up to 100, 200, 400 and 800 Mbps
Protocol
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
Topology
Both tree and serial bus topology supported
64 bits device addressing
Multi-master capability
Package Includes
Three port FireWire IEEE 1394b Repeater Hub
Electrical Characteristics
Auto switching power from IEEE 1394b 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)
Support
Support
FireWire Repeater Port Count and Daisy Chaining
How to count ports on peer to peer hubs and how to daisy chain hubs
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
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
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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