National Instruments NI USB-621x - Manual (Page 18)

Chapter 1 Getting Started
NI USB-621x User Manual 1-2 ni.com
Figure 1-2. USB-6215/6218
NI 621x devices feature up to 32 analog input (AI) channels, up to two
analog output (AO) channels, 8 lines of digital input (DI), 8 lines of digital
output (DO), and two counters. If you have not already installed your
device, refer to the NI-DAQmx for USB Devices Getting Started Guide. For
specifications, refer to the NI 621x Specifications document on
ni.com/manuals .
Before installing your DAQ device, you must install the software you plan
to use with the device.
Installing NI-DAQmx
The NI-DAQmx for USB Devices Getting Started Guide, which you can
download at
ni.com/manuals , offers NI-DAQmx users step-by-step
instructions for installing software and hardware, configuring channels and
tasks, and getting started developing an application.
Installing Other Software
If you are using other software, refer to the installation instructions that
accompany your software.