Mil1394 Single Node Repeater

The Mil1394 Single Node Repeater (FW-MIL-1CH3-R-400) is a 3-port transformer-coupled, S200╬▓ and S400╬▓ capable repeater/hub. Its small form factor provides both a cost and space efficient solution, enabling one or more repeaters to create a daisy-chained network to extend cable distances. Even more, multiple repeaters/hubs may be used to create a scalable tree topology (see our Mil1394 Dual Quad-Port Repeater/Hub).

The Mil1394 Single Node Repeater is provided off-the-shelf with vertical connectors, but may be configured with right-angle connectors for applications with limited vertical space (stacked Repeaters). Additionally, if S100╬▓ operation is required, active transformers that support S100╬▓ and S200╬▓ operation can be installed. We happily offer other configuration options to meet your requirements such as optional activity indicator (LED) and/or enclosing the Mil1394 Single Node Repeater by request.


  • Single Node (Channel) 3-Port Beta node IEEE-1394-2008 compliant
    • S100╬▓ (122.88Mb/s)
    • S200╬▓ (245.76Mb/s)
    • S400╬▓ (491.52Mb/s)
  • Configurable maximum connection speeds of:
    • S200╬▓
    • S400╬▓
  • Latch Molex connector for each port
  • Configurable to direct connect or switched 12 VDC power
  • Texas Instruments TSB41BA3 PHY Layer IC


  • Designed for easy customization of Mil1394 ports and power connectivity
  • Physical configurable switch to set maximum port speed based on program requirements
  • Mil1394 active transformer-coupled ports allows for longer cable lengths



Three IEEE-1394 Beta (1394b) Ports

Data Rates



Power Requirements

12 VDC


IEEE-1394b Compliant Physical Layer

AS5643/1 Compliant transformer isolation


74.25 mm (width) x 57.15 mm (length)


Operating: 0┬░C to 70┬░C

Storage: -40┬░C to 85┬░C

Applications App

  • Extend cable distances in laboratory and flight test applications
  • Isolate expensive 1394 test equipment from modules during environmental and EMI testing
  • Combine multiple repeaters to create multi-port hub

Documentation Doc

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