© National Instruments Corporation 3 NI USB-9219 User Guide and Specifications
Caution When module terminals are hazardous voltage LIVE (>42.4 Vpk/60 VDC), you
must ensure that devices and circuits connected to the module are properly insulated from
human contact. You must use the NI 9972 connector backshell kit, as illustrated in Figure3
to ensure that the terminals are not accessible.
Figure 3. NI 9972 Connector Backshell
Related Documentation
Each application software package and driver includes information about
writing applications for taking measurements and controlling measurement
devices. The following references to documents assume you have
NI-DAQmx8.7 or later, and where applicable, version 7.1 or later of the
NIapplication software.

NI-DAQmx for Windows

The DAQ Getting Started Guide describes how to install your NI-DAQmx
for Windows software, your NI-DAQmx-supported DAQ device, and
how to confirm that your device is operating properly. Select Start»
All Programs»National Instruments»NI-DAQ»DAQ Getting Started
Guide.
The NI-DAQ Readme lists which devices are supported by this version of
NI-DAQ. Select Start»All Programs»National Instruments»NI-DAQ»
NI-DAQ Readme.
The NI-DAQmx Help contains general information about measurement
concepts, key NI-DAQmx concepts, and common applications that
are applicable to all programming environments. Select Start»
All Programs»National Instruments»NI-DAQ»NI-DAQmx Help.