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Note
When in use, the NI cDAQ-9172 chassis may become warm to the touch. This is
normal.
Understanding LED Indications
Active LED
Ready LED
© National Instruments Corporation
13. Check that your device appears under Devices and Interfaces. If your
device does not appear, press <F5> to refresh the view in MAX. If your
device is still not recognized, refer to
troubleshooting information.
14. Right-click your device and select Self-Test.
If you need help during the self-test, select Help»Help Topics»
NI-DAQmx and click MAX Help for NI-DAQmx.
When the self-test finishes, a message indicates successful verification
or an error. If an error occurs, refer to
for troubleshooting information.
The Active LED indicates whether the NI cDAQ-9172 chassis is
communicating over the USB bus.
LED
Amber
Green
Off
The Ready LED is lit when the NI cDAQ-9172 chassis is ready for use. The
color indicates whether the USB connection is Full-Speed or Hi-Speed.
LED
Amber
Green
Off
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Table 2. Active LED
Power is applied, but USB connection is not
established
USB traffic present
No USB traffic present
Table 3. Ready LED
Hi-Speed (480 Mbit/sec)
Full-Speed (12 Mbit/sec)
USB connection is not established
17
NI cDAQ-9172 User Guide and Specifications
Definition
Definition
for
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