NI USB DAQ的USB 1.1和USB2.0 的兼容性

硬件: 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, Multifunction DAQ (MIO)>>Basic>>DAQPad-6015 for USB, CompactDAQ>>Backplanes>>cDAQ-9172, 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, Multifunction DAQ (MIO)>>Portable>>USB-9215 BNC, Multifunction DAQ (MIO)>>Portable>>USB-9215A BNC, CompactDAQ>>Backplanes>>cDAQ-9172

问题: NI USB数据采集设备是否兼容USB1.1 或者USB2.0？

解答: 所有的NI USB数据采集设备都兼容USB2.0，在USB2.0中存在着三种速度标准：低速（1.5Mb/s传输率），全速（12Mb/s），高速（480Mb/s）。NI USB数据采集设备属于高速和全速类型。对于全速的设备，在支持USB2.0 的同时，在没有任何传输率降低的情况下，同样也支持USB1.1 主机。尽管如此，USB2.0 设备如果和USB1.1主机工作的时候，速度上还是会有所限制。

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报告日期: 06/06/2006
最近更新: 06/06/2006
文档编号: 3P882LCC