1394R-B4 is a four ports IEEE1394b repeater, extending your signal an additional 4.5 meters. It's easy to setup and there is no configuration necessary, like all IEEE1394 compliant hardware.

• Fully Supports Provisions of IEEE P1394b Revision 1.33+ at 1-Gigabit Signaling Rates
• Fully Supports Provisions of IEEE 1394a.2000 and 1394.1995 Standard for High Performance Serial Bus
• Fully Interoperable With Firewire., i.LINK., and SB1394., Implementation of IEEE Std 1394
• PHY Chip: TI TSB81BA3D.
• 1394 Bus Transfer Rate: 100/ 200/ 400/ 800 Mbps
• Device Interface: Provides Four Fully Backward Compatible, (1394a.2000 Fully Compliant) Bilingual P1394b Cable Ports at up to 800 Megabits per Second (Mbits/s)
• DC Power input Connector: Walkman-type 2.0 mm DC Jack
• Power Input Range: DC 8V~30V, max. 3A
• Power Consumption: Under 1.5 Watts.
• Number of ports: Four Bilingual Cable Port with Jackscrew Lock Holes
• Power LED

• Cable extension
• Three more ports
• Provide power to the 1394 bus 
• Provide a metal bracket for fixing the 1394R-B4.

• 92(W)x62(D)x20.6(H)mm

• 1394R-B4 Repeater

• AC to DC Power Adapter
• AC power cord 6 feet length (option)
  • North America Plug (NEMA 5-15) --- CB-00260-02
  • Europe Plug (CEE 7-VII Schuko) --- CB-00264
  • British Standard Plug (BS 1363) --- CB-00103
  • Australia Plug (AS3112) --- CB-00272