If the device is receiving signals you will see data on the front panel graphs.
4.
Click
STOP
to conclude the test.
Verifying the Device Connection Using LabVIEW
Perform a loopback test to confirm that the device transmits and receives signals and is
connected correctly to the host computer.
1.
Attach the included 30 dB attenuator to one end of the SMA (m)-to-SMA (m) cable.
2.
Connect the 30 dB attenuator to the RX 2 TX 2 connector on the front panel of the USRP
device and connect the other end of the SMA (m)-to-SMA (m) cable to the RX 1 TX 1
port.
3.
On the host computer, navigate to
<NIDIR>
»
National Instruments
»
LabVIEW
<Year>
»
examples
»
instr
»
niUSRP
.
4.
Open the niUSRP EX Tx Continuous Async example VI and run it.
If the device is transmitting signals, the I/Q graph displays I and Q waveforms.
5.
Open the niUSRP EX Rx Continuous Async example VI and run it.
If the device is transmitting signals, the I/Q graph displays I and Q waveforms.
Troubleshooting
If an issue persists after you complete a troubleshooting procedure, contact NI technical
support or visit
Device Troubleshooting
Why Doesn't the Device Power On?
Check the power supply by substituting a different adapter.
Why Does USRP2 Appear Instead of the USRP Device in the
NI-USRP Configuration Utility?
•
An incorrect IP address on the computer may cause this error. Check the IP address and
run the NI-USRP Configuration Utility again.
•
An old FPGA or firmware image on the device may also cause this error. Upgrade the
FPGA and firmware using the NI-USRP Configuration Utility.
Should I Update Device Firmware and FPGA Images?
USRP devices ship with firmware and FPGA images compatible with NI-USRP driver
software. You may need to update the device for compatibility with the latest version of the
software.
When you use the NI-USRP API, a default FPGA loads from persistent storage on the device.
The driver software media also includes the NI-USRP Configuration Utility, which you can
use to update the devices.
USRP-2920/2921/2922 Getting Started Guide
|
© National Instruments
|
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