CompactPCI® Serial • 16-Port USB 3.0 Rear I/O Module

The SBV-RIO is a companion board to the CompactPCI® Serial peripheral card SBX-DUB, a 16-port xHCI SuperSpeed host controller. All USB 3.0 channels are passed across the the SBX-DUB backplane connectors P3/P4 to the corresponding SBV-RIO receptacles rJ3/rJ4.
The SBV-RIO is equipped with sixteen shrouded pin headers for system internal wiring of the USB ports to internal USB2.0 or USB3.0 devices. The 1.25mm pitch headers (Molex PicoBlade) provide 10 pins each, suitable for the USB 2.0 D+/ D- and USB 3.0 Tx/Rx differential signal pairs, and in addition power and ground.
A DC-DC converter on the SBV-RIO delivers +5V VBUS to the USB pin headers. 1.5A power switches, individually assigned to each USB connector, prevent from potential damage caused by overcurrent or even a short circuit represented by the attached device.

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General Information

Expansion Modules

Mating Controller Card


  • PICMG® CompactPCI® Serial standard (CPCI-S.0) rear board (rear I/O module)
  • 3U/4HP form factor 100x80mm2
  • CPCI-S backplane connectors rJ2, rJ3, rJ4, proprietary pin assignment matches with SBX-DUB controller card
  • rJ4: 8 x USB 3.0 ports 1.1 – 2.4
  • rJ3: 8 x USB 3.0 ports 3.1 – 4.4
  • rJ2: +12V power to on-board 12V/5V step-down converter (VBUS)
  • Open or closed rear panel versions (SBV-0100-RIO & SBV-0200-RIO)

Simplified Block Diagram

sbv blk
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