NI USB DAQ元件與USB 1.1和USB 2.0的相容性



硬體: 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)>>E Series>>DAQPad-6020E for USB w/BNC Term, Multifunction DAQ (MIO)>>Portable>>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, Digital I/O (DIO)>>Static>>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)>>Basic>>DAQPad-6015 for USB w/BNC Term, Multifunction DAQ (MIO)>>Portable>>DAQPad-6015 for USB w/Mass Term, Multifunction DAQ (MIO)>>Portable>>USB-9201 D-Sub, Multifunction DAQ (MIO)>>Portable>>USB-9221 D-Sub

問題: 請問NI USB資料擷取元件支援USB 1.1或USB 2.0的規格嗎?

解答: 所有NI USB資料擷取元件皆支援USB 2.0的規範。現今USB 2.0對於傳輸速度的三大分類:低速(Low Speed, 1.5Mb/s)、全速(Full Speed, 12Mb/s)和高速(High Speed, 480Mb/s)。NI USB資料擷取元件座落於高速與全速兩個分類中。與USB 2.0相容的全速資料擷取元件,也可以工作在USB 1.1的主機下,而完全不會降低資料傳輸速率。然而,USB 2.0元件卻會受到USB 1.1主機的傳輸速度限制。

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報告日期: 09/09/2005
最後更新: 10/09/2005
文件偏號: 3P882LCC