National Instruments USRP-2940 Manuel utilisateur
USRP-2940/2942/2943/2944/2945
Getting Started
2022-07-11
Contents
USRP RIO device Getting Started Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Verifying the System Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Unpacking the Kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Verifying the Kit Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Environmental Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Environmental Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installing the Soware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installing the Soware Using NI Package Manager. . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installing the Soware Using the Driver Download Page. . . . . . . . . . . . . . . . . . . . 8
Installing the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Connecting the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Powering on the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Synchronizing Multiple Devices (Optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Preparing the USRP-2945 for LO Sharing (Optional). . . . . . . . . . . . . . . . . . . . . . . 11
Preparing the USRP-2945 for LO Re-Import (Optional). . . . . . . . . . . . . . . . . . . . . 12
Programming the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
NI-USRP Instrument Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Verifying the Device Connection (Optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Why Doesn't the Device Power On?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Why Doesn't the USRP Device Appear in the NI-USRP Configuration Utility?. . 18
Why Does USRP2 Appear Instead of the USRP Device in the NI-USRP
Configuration Utility?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Should I Update Device Firmware and FPGA Images?. . . . . . . . . . . . . . . . . . . . . . 18
Why Do I Receive an Enumeration Error?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Why Don't NI-USRP Examples Appear in the NI Example Finder in LabVIEW?. 19
Front Panels, Back Panels, and Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Direct Connections to the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
USRP-2940 Front Panel, Back Panel, and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
USRP-2942 Front Panel, Back Panel, and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
USRP-2943 Front Panel, Back Panel, and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
USRP-2944 Front Panel, Back Panel, and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
USRP-2945 Front Panel, Back Panel, and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
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USRP-2940/2942/2943/2944/2945 Getting Started
GPIO Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Where to Go Next. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
NI Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
© National Instruments 3
USRP-2940/2942/2943/2944/2945 Getting Started
USRP RIO device Getting Started Guide
This document explains how to install, configure, and test the following USRP RIO
devices:
■ USRP-2940 Soware Defined Radio Reconfigurable Device
■ USRP-2942 Soware Defined Radio Reconfigurable Device
■ USRP-2943 Soware Defined Radio Reconfigurable Device
■ USRP-2944 Soware Defined Radio Reconfigurable Device
■ USRP-2945 Soware Defined Radio Reconfigurable Device
The USRP RIO device can send and/or receive signals for use in various
communications applications. The device ships with the NI-USRP instrument driver,
which you can use to program the device.
Verifying the System Requirements
To use the NI-USRP instrument driver, your system must meet certain requirements.
Refer to the product readme, which is available online on the driver soware
download page or at ni.com/manuals, for more information about minimum system
requirements, recommended system, and supported application development
environments (ADEs).
Unpacking the Kit
Notice To prevent electrostatic discharge (ESD) from damaging the
device, ground yourself using a grounding strap or by holding a grounded
object, such as your computer chassis.
1. Touch the antistatic package to a metal part of the computer chassis.
2. Remove the device from the package and inspect the device for loose
components or any other sign of damage.
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USRP-2940/2942/2943/2944/2945 Getting Started
Notice Never touch the exposed pins of connectors.
Note Do not install a device if it appears damaged in any way.
3. Unpack any other items and documentation from the kit.
Store the device in the antistatic package when the device is not in use.
Verifying the Kit Contents
Figure 1. Kit Contents
LINK PWR
TX OUTPUT MAX +20 dBm, RX INPUT MAX -15 dBm, ALL RF PORTS 50 W
TX1 RX1 RX2
GPS
PPS
REF
TX1 RX1 RX2
AUX I/O
3.3 VDC MAX
RF 0 RF 1
NI USRP-2943R
1.2 GHz - 6 GHz
NI USRP-2943R
1.2 GHz - 6 GHz
Designed by Ettus ResearchDesigned by Ettus Research
JTAG
1
54
3
2
1. USRP RIO Device
2. SMA Driver Bit (USRP-2945 Only)
3. Getting Started Guide (This Document) and Safety, Environmental, and
Regulatory Information Document
4. SMA (m)-to-SMA (m) Cable
5. 30 dB SMA Attenuator (Not Included with USRP-2945)
Notice If you directly connect or cable a signal generator to your device,
or if you connect multiple devices together, you must connect a 30 dB
attenuator to the RF input (RX1 or RX2) of each receiving USRP RIO device.
© National Instruments 5
USRP-2940/2942/2943/2944/2945 Getting Started
Other Required Item(s)
In addition to the kit contents, you must provide the following additional item(s):
■An MXI Express interface card. You can purchase an MXI Express interface kit
for your USRP RIO device, which contains an MXI Express interface card, at
ni.com.
Optional Items
■ LabVIEW Modulation Toolkit (MT), available for download at ni.com/
downloads and included in LabVIEW Communications System Design Suite,
which includes MT VIs and functions, examples, and documentation
Note You must install the LabVIEW Modulation Toolkit for proper
operation of the NI-USRP Modulation Toolkit example VIs.
■ LabVIEW Digital Filter Design Toolkit, available for download at ni.com/
downloads and included in LabVIEW Communications System Design Suite
■ LabVIEW MathScript RT Module, available for download at ni.com/
downloads
■Additional SMA (m)-to-SMA (m) cables to use the REF IN and PPS IN signals
■ PCIe - MXI Express Interface Kit for USRP RIO to connect to a desktop
computer
■ ExpressCard Slot - MXI Express Interface Kit for USRP RIO to connect to a
laptop computer
■ PXIe - MXI Express Interface Kit for USRP RIO to connect to a PXI Express
chassis
■ CDA-2990 Clock Distribution Device for synchronizing multiple devices
■ CPS-8910 Switch Device for PCI Express for large multiple-input, multiple-
output (MIMO) expansion configurations
■ PXI-5691 RF Amplifier for local oscillator (LO) re-import with the USRP-2945
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USRP-2940/2942/2943/2944/2945 Getting Started
Environmental Guidelines
Notice This model is intended for use in indoor applications only.
Environmental Characteristics
Operating temperature 0 °C to 45 °C
Operating humidity 10% to 90% relative humidity, noncondensing
Pollution Degree 2
Maximum altitude 2,000 m (800 mbar) (at 25 °C ambient temperature)
Installing the Soware
You must be an Administrator to install NI soware on your computer.
1. Install an application development environment (ADE), such as LabVIEW or
LabVIEW Communications System Design Suite.
2. Follow the instructions below that correspond with the ADE that you installed.
Installing the Soware Using NI Package Manager
Ensure that you have installed the latest version of NI Package Manager. To access
the download page for NI Package Manager, go to ni.com/info and enter info code
NIPMDownload.
Note NI-USRP versions 18.1 to current are available to download using NI
Package Manager. To download another version of NI-USRP, refer to
Installing the Soware Using the Driver Download Page.
1. To install the latest NI-USRP instrument driver, open NI Package Manager.
2. On the BROWSE PRODUCTS tab, click Drivers to display all available drivers.
© National Instruments 7
USRP-2940/2942/2943/2944/2945 Getting Started
3. Select NI-USRP and click INSTALL.
4. Follow the instructions in the installation prompts.
Note Windows users may see access and security messages during
installation. Accept the prompts to complete the installation.
Related information
■Install NXG
Installing the Soware Using the Driver Download Page
Note NI recommends using NI Package Manager to download NI-USRP
driver soware.
1. Visit ni.com/info and enter the Info Code usrpdriver to access the driver
download page for all versions of NI-USRP soware.
2. Download a version of NI-USRP driver soware.
3. Follow the instructions in the installation prompts.
Note Windows users may see access and security messages during
installation. Accept the prompts to complete the installation.
4. When the installer completes, select Shut Down in the dialog box that
prompts you to restart, shut down, or restart later.
Installing the Device
Install all the soware you plan to use before you install the hardware. Ensure that
the USRP RIO device and computer are o before installing.
Connect any additional attachments required for your project to the front panel
terminals of the USRP RIO device.
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USRP-2940/2942/2943/2944/2945 Getting Started
Connecting the Device
The USRP RIO device must be connected either to a desktop computer or a laptop
computer.
Notice Never turn the USRP RIO device o or on while the computer is on.
Connecting to a Desktop Computer
Connect the USRP RIO device to a desktop computer using an MXI Express interface
kit.
1. Insert the MXI card into your computer according to the installation
instructions in the Hardware Installation section of the Set Up Your MXI™
Express ×4 System document included in your MXI Express interface kit.
2. Connect the MXI device to the USRP RIO device using the PCIe cable included
in your MXI Express interface kit.
Connecting to a Laptop Computer
Connect the USRP RIO device to a laptop computer using the ExpressCard-8360 for
USRP Device for PXI Remote Control.
1. Touch the ExpressCard-8360 for USRP and outer metal case of the USRP RIO
device simultaneously.
2. Connect the included cable to the to the ExpressCard-8360 for USRP.
3. Plug the ExpressCard-8360 for USRP into an available ExpressCard slot.
The completed hardware setup is shown in the following figure.
© National Instruments 9
USRP-2940/2942/2943/2944/2945 Getting Started
Figure 2. Connecting the Device with a Laptop Connectivity Kit
NI ExpressCard-8360
INSERT CARD
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1
3
4
1. Cable Included with ExpressCard Interface Kit
2. ExpressCard-8360 for USRP
3. ExpressCard Slot
4. Laptop Computer
Powering on the Device
1. Connect the power supply to the USRP RIO device.
2. Plug the power supply into a wall outlet. Press the power button on the front
of your device.
3. Power on the chassis and network switch.
Synchronizing Multiple Devices (Optional)
To set up a higher channel-count system, you can synchronize two or more USRP
RIO devices so that they share clock and pulse per second (PPS) signals.
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USRP-2940/2942/2943/2944/2945 Getting Started
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