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NI USB DAQ Compatibility with USB 1.1 and USB 2.0

Hardware: Multifunction DAQ (MIO)>>Portable>>USB-6008, Multifunction DAQ (MIO)>>Portable>>USB-6009, Multifunction DAQ (MIO)>>Portable>>USB-9211, Multifunction DAQ (MIO)>>Portable>>USB-9215, Multifunction DAQ (MIO)>>Portable>>USB-9481, Multifunction DAQ (MIO)>>Basic>>DAQPad-6015 for USB, Multifunction DAQ (MIO)>>Basic>>DAQPad-6016 for USB w/Screw Term, Multifunction DAQ (MIO)>>Portable>>DAQPad-6020E for USB w/BNC Term, Multifunction DAQ (MIO)>>E Series>>DAQPad-6020E for USB w/Mass Term, Multifunction DAQ (MIO)>>Portable>>DAQPad-6052E for USB w/BNC Term, Multifunction DAQ (MIO)>>E Series>>DAQPad-6052E for USB w/Mass Term, Multifunction DAQ (MIO)>>Portable>>DAQPad-6507 for USB, Digital I/O (DIO)>>Static>>DAQPad-6508 for USB, Digital I/O (DIO)>>Static>>USB-6501, Multifunction DAQ (MIO)>>Portable>>USB-9201, Multifunction DAQ (MIO)>>Portable>>USB-9211A, Multifunction DAQ (MIO)>>Portable>>USB-9215A, Multifunction DAQ (MIO)>>Portable>>USB-9221, Multifunction DAQ (MIO)>>Portable>>USB-9421, Multifunction DAQ (MIO)>>Portable>>USB-9472, Multifunction DAQ (MIO)>>Portable>>USB-6018, Multifunction DAQ (MIO)>>Portable>>USB-6019, Multifunction DAQ (MIO)>>Portable>>USB-6504, Multifunction DAQ (MIO)>>Portable>>USB-6525, CompactRIO>>Chassis (Backplanes)>>USB-9161, CompactRIO>>Chassis (Backplanes)>>USB-9162, Multifunction DAQ (MIO)>>Portable>>DAQPad-6015 for USB w/BNC Term, Multifunction DAQ (MIO)>>Basic>>DAQPad-6015 for USB w/Mass Term, Multifunction DAQ (MIO)>>Portable>>USB-9201 D-Sub, Multifunction DAQ (MIO)>>Portable>>USB-9221 D-Sub

Problem:
Are NI USB data acquisition devices compatible with USB 1.1 or USB 2.0?

Solution:
All NI USB data acquisition devices are compatible with USB 2.0. Three speed classifications exist in USB 2.0: low speed (1.5 Mb/s transfer rate), full speed (12 Mb/s), and high speed (480 Mb/s). NI USB data acquisition devices fall into the high speed and full speed categories. Full speed devices, while compatible with USB 2.0, also work with USB 1.1 hosts without any decrease in transfer rate. However, USB 2.0 high speed devices will be limited in speed if used with a USB 1.1 host.

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Report Date: 09/09/2005
Last Updated: 02/03/2008
Document ID: 3P882LCC

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