© National Instruments Corporation 3 NI USB-9219 User Guide and SpecificationsCaution When module terminals are hazardous voltage LIVE (>42.4 Vpk/60 VDC), youmust ensure that devices and circuits connected to the module are properly insulated fromhuman contact. You must use the NI 9972 connector backshell kit, as illustrated in Figure 3to ensure that the terminals are not accessible.Figure 3. NI 9972 Connector BackshellRelated DocumentationEach application software package and driver includes information aboutwriting applications for taking measurements and controlling measurementdevices. The following references to documents assume you haveNI-DAQmx 8.7 or later, and where applicable, version 7.1 or later of theNI application software.NI-DAQmx for WindowsThe DAQ Getting Started Guide describes how to install your NI-DAQmxfor Windows software, your NI-DAQmx-supported DAQ device, andhow to confirm that your device is operating properly. Select Start»All Programs»National Instruments»NI-DAQ»DAQ Getting StartedGuide.The NI-DAQ Readme lists which devices are supported by this version ofNI-DAQ. Select Start»All Programs»National Instruments»NI-DAQ»NI-DAQ Readme.The NI-DAQmx Help contains general information about measurementconcepts, key NI-DAQmx concepts, and common applications thatare applicable to all programming environments. Select Start»All Programs»National Instruments»NI-DAQ»NI-DAQmx Help.