National Instruments USRP-2940 User manual

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 Soware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Installing the Soware Using NI Package Manager. . . . . . . . . . . . . . . . . . . . . . . . . . 7

Installing the Soware 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

ni.com

USRP-2940/2942/2943/2944/2945 Getting Started

GPIO Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Where to Go Next. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

NI Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

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 Soware Defined Radio Reconfigurable Device

■ USRP-2942 Soware Defined Radio Reconfigurable Device

■ USRP-2943 Soware Defined Radio Reconfigurable Device

■ USRP-2944 Soware Defined Radio Reconfigurable Device

■ USRP-2945 Soware 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 soware

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.

ni.com

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

JTAG

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.

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

ni.com

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 Soware

You must be an Administrator to install NI soware 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 Soware 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 Soware 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.

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 Soware Using the Driver Download Page

Note NI recommends using NI Package Manager to download NI-USRP

driver soware.

1. Visit ni.com/info and enter the Info Code usrpdriver to access the driver

download page for all versions of NI-USRP soware.

2. Download a version of NI-USRP driver soware.

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 soware 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.

ni.com

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.

USRP-2940/2942/2943/2944/2945 Getting Started

Figure 2. Connecting the Device with a Laptop Connectivity Kit

NI ExpressCard-8360

INSERT CARD

ni.com

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.

ni.com

USRP-2940/2942/2943/2944/2945 Getting Started

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