National Instruments PXI Express Series User Manual

Also see for PXI Express Series: User manual User manual Installation guide

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National Instruments PXI Express Series User Manual Manual pdf 52 page image

Chapter 3 I/O Information© National Instruments Corporation 3-9 NI PXIe-8101/8102 User ManualUniversal Serial BusFigure 3-6 shows the location and pinouts for the Universal Serial Bus(USB) connector on the NI PXIe-8101/8102. Each controller has four USBports on the front panel. Table 3-7 lists and describes the USB connectorsignals.Figure 3-6. USB Connector Location and PinoutNote Install a noise-suppression ferrite (included in your shipping kit) around all attachedexternal USB cables to ensure that your device meets all EMC standards applicable to yourcountry. Install the ferrite so that each USB cable loops through the ferrite as shown inFigure 3-7. The ferrite should be installed so that it is approximately 50–75 mm (2–3 in.)from the end of the cable that plugs into the controller. The ferrite should accommodatefrom 2–4 USB cables depending on cable diameter.Table 3-7. USB Connector SignalsPin Signal Name Signal Description1 VCC Cable Power (+5 V)2 –Data USB Data –3 +Data USB Data +4 GND GroundUSB41Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com