USRP1_中文产品说明

usrp使用手册【实用版】目录RP 简介RP 的安装与配置RP 的基本使用方法RP 的高级功能与应用RP 的维护与升级正文【USRP 简介】USRP（Universal Software Radio Peripheral）是一款由美国 Ettus Research 公司开发的通用软件无线电外设。

它具有高度的可编程性，可以支持多种无线电通信标准和协议。

USRP 广泛应用于无线电通信研究、实验教学、军事通信等领域，为无线电通信技术的发展做出了重要贡献。

【USRP 的安装与配置】USRP 的安装主要包括硬件安装和软件安装两个方面。

硬件安装相对简单，只需将 USRP 设备连接到计算机的 USB 接口即可。

软件安装则需要根据计算机操作系统的不同，下载相应的驱动程序和 API 软件包。

配置 USRP 主要是通过其自带的图形界面工具 GUI 或者命令行方式进行的。

用户可以根据需要对 USRP 进行各种配置，如设置中心频率、调制解调方式、采样率等。

【USRP 的基本使用方法】USRP 的基本使用方法包括以下几个步骤：1.启动 USRP：在计算机上运行 USRP GUI 或者在命令行中输入相关命令启动 USRP。

2.配置 USRP：通过 USRP GUI 或命令行方式对 USRP 进行配置。

3.接收和发送数据：通过编写程序或使用 GUI 工具，接收和发送无线电信号。

4.数据处理：对接收到的数据进行分析和处理，如解调、解码等。

【USRP 的高级功能与应用】USRP 的高级功能主要包括：1.频率扫描：USRP 可以快速扫描指定频率范围内的无线电信号，便于用户发现和分析新的信号。

2.自动检测：USRP 可以自动检测并解调接收到的信号，便于用户实时了解信号内容。

3.数字信号处理：USRP 支持数字信号处理功能，可以对信号进行各种数字滤波、调制解调等处理。

USRP 在实际应用中可以用于无线电监测、通信信号拦截、无线电频谱分析等领域。

LoRa集中器说明书USR-LG220-L1.产品特点 (5)2.产品概述 (5)2.1.产品简介............................................................................................................................52.2.基本参数............................................................................................................................62.3.设备支持的有人云功能.......................................................................................................62.4.硬件描述............................................................................................................................73.快速入门.. (8)3.1.前期准备............................................................................................................................83.2.模式简介............................................................................................................................83.3.集中器轮询唤醒入门.........................................................................................................113.4.有人云入门.......................................................................................................................164.产品功能 (24)4.1.私有服务器.......................................................................................................................254.2.有人云..............................................................................................................................314.3.私有服务器+云监测..........................................................................................................394.4.有人云私有部署................................................................................................................394.5.其他设置与功能................................................................................................................395.组装与安装.................................................................................................................................406.集中器调试方法.. (41)6.1.前期准备..........................................................................................................................416.2.用户配置流程...................................................................................................................416.3.速率与传输距离参考表.....................................................................................................446.4.常见入网方式...................................................................................................................447.附加功能及设置.. (45)7.1.4G 接口............................................................................................................................457.1.1.APN 设置.......................................................................................................................467.2.WAN 接口.........................................................................................................................477.3.W I F I 无线局域网................................................................................................................487.4.网络诊断功能...................................................................................................................507.5.固件升级..........................................................................................................................517.6.指示灯状态.......................................................................................................................527.7.软重启..............................................................................................................................528.附录. (53)8.1.私有服务器通信协议类型..................................................................................................538.2.如何连接私有服务器.........................................................................................................538.3.有人云计算软件使用说明.. (58)目录Content8.4.常见问题及注意事项 (63)9.联系方式 (64)有人愿景：成为物联网领域的生态型企业 (64)目录10.免责声明 (65)11.更新历史 (66)Content1.产品特点●LoRa私有协议，简单、安全、可靠●智能自组网●采用时分复用，多通道挂载，减小干扰●支持挂载多个LoRa终端节点最多可达500个●支持接入有人云与私有服务器●支持节点主动上报、集中器轮询唤醒、服务器主动下发●支持网口、4G联网方式●支持1个WLAN无线局域网●网口支持10/100Mbps速率●支持VPN(PPTP/L2TP)，PPPOE，DHCP，静态IP等功能●支持一键恢复出厂设置●支持MQTT/Socket服务器连接●远距离传输，空旷地带传输距离可达2500米●可设置相应LoRa节点模块为低功耗●数据加密、校验处理，提高数据传输的安全性、可靠性2.产品概述2.1.产品简介USR-LG220-L是一款基于LoRa私有协议的集中器，通过USR私有协议实现集中器与LoRa节点自由组网、集中器与服务器通讯。

SPECIFICA TIONSUSRP-2900Software Defined Radio DeviceContents Definitions (1)Conditions (1)Transmitter (2)Receiver (2)Power (3)Physical Characteristics (3)Environment (4)Operating Environment (4)Compliance and Certifications (4)Safety (4)Electromagnetic Compatibility (4)CE Compliance (5)Online Product Certification (5)Environmental Management (5)DefinitionsWarranted specifications describe the performance of a model under stated operating conditions and are covered by the model warranty.Characteristics describe values that are relevant to the use of the model under stated operating conditions but are not covered by the model warranty.•Typical specifications describe the expected performance met by a majority of the models.•Nominal specifications describe parameters and attributes that may be useful in operation. Specifications are Characteristics unless otherwise noted.ConditionsSpecifications are valid at 25 °C unless otherwise noted.T ransmitterFrequency range70 MHz to 6 GHzFrequency step<1 kHzMaximum output power (P out)20 dBmGain range189.75 dBGain step0.25 dBFrequency accuracy2 2.5 ppm56 MHzMaximum instantaneous real-timebandwidthMaximum I/Q rate3Streaming415 MS/sBurst61.44 MS/sDigital-to-analog converter (DAC)512 bitsReceiverFrequency range70 MHz to 6 GHzFrequency step<1 kHzGain range676 dBGain step 1.0 dBMaximum input power (P in)-15 dBmNoise figure 5 dB to 7 dB1The output power resulting from the gain setting varies over the frequency band and amongdevices.2Frequency accuracy is based on temperature-compensated crystal oscillator (TCXO) vendorspecifications and is not measured. Alternatively, you can incorporate an external reference source to provide a more precise frequency Reference Clock and to achieve better frequency accuracy.3I/Q sample rate depends on many factors including, but not limited to, USB3 chipset, number of active channels, and host computer performance. Data throughput may vary.4Benchmark setup: LabVIEW Communications 2.0 Tx Continuous Async example running inWindows 7 configured for a single RF channel and a graph refresh rate set to once per 128 cycles.Benchmark hardware: Asus Z97 motherboard, 16 GB memory, 4GHz i7 4790k CPU, and aASMedia XHCI 1.0 USB controller.5The DAC rate changes with the sample rate.6The received signal amplitude resulting from the gain setting varies over the frequency band and among devices.2| | USRP-2900 SpecificationsFrequency accuracy7 2.5 ppm56 MHzMaximum instantaneous real-timebandwidthMaximum I/Q rate8Streaming915 MS/sBurst61.44 MS/sAnalog-to-digital converter (ADC)1012 bitsPowerTotal power, typical operationTypical 3 W to 3.5 WMaximum 4.5 WPower requirement Accepts a 6 V, 3 A external DC powerconnectorCaution You must use either the power supply provided in the shipping kit, oranother UL listed ITE power supply marked LPS, with the USRP-2900.Caution The protection provided by this product may be impaired if it is used in amanner not described in this document.Physical CharacteristicsIf you need to clean the module, wipe it with a dry towel.Physical dimensions(L × W × H)12.5 cm × 9.4 cm × 3.8 cm (7.0 in. × 4.9 in.× 1.5 in.)Weight676 g (1.5 lb)7Frequency accuracy is based on temperature-compensated crystal oscillator (TCXO) vendorspecifications and is not measured. Alternatively, you can incorporate an external reference source to provide a more precise frequency Reference Clock and to achieve better frequency accuracy.8I/Q sample rate depends on many factors including, but not limited to, USB3 chipset, number of active channels, and host computer performance. Data throughput may vary.9Benchmark setup: LabVIEW Communications 2.0 Rx Continuous Async example running inWindows 7 configured for a single RF channel and a graph refresh rate set to once per 128 cycles.Benchmark hardware: Asus Z97 motherboard, 16 GB memory, 4GHz i7 4790k CPU, and aASMedia XHCI 1.0 USB controller.10The ADC rate changes with the sample rate.USRP-2900 Specifications| © National Instruments| 3EnvironmentMaximum altitude2,000 m (800 mbar) (at 25 °C ambienttemperature)Pollution Degree2Indoor use only.Operating EnvironmentAmbient temperature range23 °C ± 5 °CRelative humidity range10% to 90%, noncondensing (testedin accordance with IEC 60068-2-56.) Compliance and CertificationsSafetyThis product is designed to meet the requirements of the following electrical equipment safety standards for measurement, control, and laboratory use:•IEC 61010-1, EN 61010-1•UL 61010-1, CSA C22.2 No. 61010-1Note For UL and other safety certifications, refer to the product label or the OnlineProduct Certification section.Electromagnetic CompatibilityThis product meets the requirements of the following EMC standards for electrical equipment for measurement, control, and laboratory use:•EN 61326-1 (IEC 61326-1): Class A emissions; Basic immunity•EN 55011 (CISPR 11): Group 1, Class A emissions•EN 55022 (CISPR 22): Class A emissions•EN 55024 (CISPR 24): Immunity•AS/NZS CISPR 11: Group 1, Class A emissions•AS/NZS CISPR 22: Class A emissions•FCC 47 CFR Part 15B: Class A emissions•ICES-001: Class A emissionsNote In the United States (per FCC 47 CFR), Class A equipment is intended foruse in commercial, light-industrial, and heavy-industrial locations. In Europe,Canada, Australia, and New Zealand (per CISPR 11), Class A equipment is intendedfor use only in heavy-industrial locations.4| | USRP-2900 SpecificationsNote Group 1 equipment (per CISPR 11) is any industrial, scientific, or medicalequipment that does not intentionally generate radio frequency energy for thetreatment of material or inspection/analysis purposes.Note For EMC declarations, certifications, and additional information, refer to theOnline Product Certification section.CE ComplianceThis product meets the essential requirements of applicable European Directives, as follows:•2014/35/EU; Low-V oltage Directive (safety)•2014/30/EU; Electromagnetic Compatibility Directive (EMC)Online Product CertificationRefer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for this product, visit / certification, search by model number or product line, and click the appropriate link in the Certification column.Environmental ManagementNI is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers.For additional environmental information, refer to the Minimize Our Environmental Impact web page at /environment. This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document.Waste Electrical and Electronic Equipment (WEEE)EU Customers At the end of the product life cycle, all NI products must bedisposed of according to local laws and regulations. For more information abouthow to recycle NI products in your region, visit /environment/weee.电子信息产品污染控制管理办法（中国RoHS）中国客户National Instruments符合中国电子信息产品中限制使用某些有害物质指令(RoHS)。

ContentsUSRP 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 Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Installing the Software Using NI Package Manager. . . . . . . . . . . . . . . . . . . . . . . . . . 7Installing the Software Using the Driver Download Page. . . . . . . . . . . . . . . . . . . . 8 Installing the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Connecting the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Powering on the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Synchronizing Multiple Devices (Optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Preparing the USRP-2945 for LO Sharing (Optional). . . . . . . . . . . . . . . . . . . . . . . 11Preparing the USRP-2945 for LO Re-Import (Optional). . . . . . . . . . . . . . . . . . . . . 12 Programming the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 NI-USRP Instrument Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Verifying the Device Connection (Optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Why Doesn't the Device Power On?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Why Doesn't the USRP Device Appear in the NI-USRP Configuration Utility?. . 18Why Does USRP2 Appear Instead of the USRP Device in the NI-USRPConfiguration Utility?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Should I Update Device Firmware and FPGA Images?. . . . . . . . . . . . . . . . . . . . . . 18Why Do I Receive an Enumeration Error?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Why 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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19USRP-2940 Front Panel, Back Panel, and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . 20USRP-2942 Front Panel, Back Panel, and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . 23USRP-2943 Front Panel, Back Panel, and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26USRP-2944 Front Panel, Back Panel, and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29USRP-2945 Front Panel, Back Panel, and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . 322GPIO Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Where to Go Next. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 NI Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36© National Instruments3USRP RIO device Getting Started GuideThis document explains how to install, configure, and test the following USRP RIO devices:■ USRP-2940 Software Defined Radio Reconfigurable Device■ USRP-2942 Software Defined Radio Reconfigurable Device■ USRP-2943 Software Defined Radio Reconfigurable Device■ USRP-2944 Software Defined Radio Reconfigurable Device■ USRP-2945 Software Defined Radio Reconfigurable DeviceThe 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 RequirementsTo use the NI-USRP instrument driver, your system must meet certain requirements. Refer to the product readme, which is available online on the driver software download page or at /manuals, for more information about minimum system requirements, recommended system, and supported application development environments (ADEs).Unpacking the Kit1.Touch the antistatic package to a metal part of the computer chassis.2.Remove the device from the package and inspect the device for loosecomponents or any other sign of damage.43.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 ContentsFigure 1. Kit ContentsRP RIO Device2.SMA Driver Bit (USRP-2945 Only)3.Getting Started Guide (This Document) and Safety, Environmental, and Regulatory Information Document4.SMA (m)-to-SMA (m) Cable5.30 dB SMA Attenuator (Not Included with USRP-2945)© National Instruments 5Other 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 kitfor your USRP RIO device, which contains an MXI Express interface card, at.Optional Items■ LabVIEW Modulation Toolkit (MT), available for download at /downloads and included in LabVIEW Communications System Design Suite,which includes MT VIs and functions, examples, and documentation■ LabVIEW Digital Filter Design Toolkit, available for download at /downloads and included in LabVIEW Communications System Design Suite■ LabVIEW MathScript RT Module, available for download at /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 desktopcomputer■ ExpressCard Slot - MXI Express Interface Kit for USRP RIO to connect to alaptop computer■ PXIe - MXI Express Interface Kit for USRP RIO to connect to a PXI Expresschassis■ 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-29456Environmental GuidelinesEnvironmental CharacteristicsOperating temperature0 °C to 45 °COperating humidity10% to 90% relative humidity, noncondensingPollution Degree2Maximum altitude2,000 m (800 mbar) (at 25 °C ambient temperature) Installing the SoftwareYou must be an Administrator to install NI software on your computer.1.Install an application development environment (ADE), such as LabVIEW orLabVIEW Communications System Design Suite.2.Follow the instructions below that correspond with the ADE that you installed. Installing the Software Using NI Package ManagerEnsure that you have installed the latest version of NI Package Manager. To accessthe download page for NI Package Manager, go to /info and enter info code NIPMDownload.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 Instruments73.Select NI-USRP and click INSTALL.4.Follow the instructions in the installation prompts.Related information■Install NXGInstalling the Software Using the Driver Download Page1.Visit /info and enter the Info Code usrpdriver to access the driverdownload page for all versions of NI-USRP software.2.Download a version of NI-USRP driver software.3.Follow the instructions in the installation prompts.4.When the installer completes, select Shut Down in the dialog box thatprompts you to restart, shut down, or restart later.Installing the DeviceInstall all the software you plan to use before you install the hardware. Ensure that the USRP RIO device and computer are off before installing.Connect any additional attachments required for your project to the front panel terminals of the USRP RIO device.8Connecting the DeviceThe USRP RIO device must be connected either to a desktop computer or a laptop computer.Connecting to a Desktop ComputerConnect 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 installationinstructions 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 includedin your MXI Express interface kit.Connecting to a Laptop ComputerConnect 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 RIOdevice 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 Instruments9Figure 2. Connecting the Device with a Laptop Connectivity Kit1.Cable Included with ExpressCard Interface Kit2.ExpressCard-8360 for USRP3.ExpressCard Slotptop ComputerPowering on the Device1.Connect the power supply to the USRP RIO device.2.Plug the power supply into a wall outlet. Press the power button on the frontof 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.10Ensure that all hardware is set up as previously described.1.Connect the REF IN port of the USRP RIO device to the first 10 MHz OUT port ofthe CDA-2990 using a standard SMA (m)-to-SMA (m) cable.2.Connect the PPS TRIG IN port of the USRP RIO device to the PPS OUT port ofthe CDA-2990 using a standard SMA (m)-to-SMA (m) cable.3.Repeat steps 1 and 2 to synchronize additional USRP RIO devices using theadditional ports on the CDA-2990 (optional).The completed hardware setup for two USRP RIO devices is shown in thefollowing figure.Figure 3. USRP Device Synchronization Configuration1.SMA (m)-to-SMA (m) Cables2.SMA (m)-to-SMA (m) CablesPreparing the USRP-2945 for LO Sharing (Optional)Complete the following steps to prepare a single USRP-2945 device to share LOsamong all four of the device's channels.1.Connect the LO OUT 1 IF2 connector of the USRP-2945 back panel to theLO IN 0 IF2 connector of the same USRP-2945 back panel using an SMA (m)-to-SMA (m) cable.2.Connect the LO OUT 1 IF1 connector of the USRP-2945 back panel to theLO IN 0 IF1 connector of the same USRP-2945 back panel using an SMA (m)-to-SMA (m) cable.The completed hardware setup is shown in the following figure.Figure 4. USRP-2945 Single Device LO Sharing1.SMA(m)-to-SMA(m) CablesPreparing the USRP-2945 for LO Re-Import (Optional)Complete the following steps to prepare a single USRP-2945 device to exportLO OUT 1 and re-import to LO IN 1 and LO IN 0.1.Connect the LO OUT 1 IF2 connector of the USRP-2945 back panel to the INconnector of an RF power amplifier front panel using an SMA (m)-to-SMA (m) cable.2.Connect the OUT connector of the RF power amplifier to the input port of atwo-way RF power splitter using an SMA (m)-to-SMA (m) cable.3.Connect the two output ports of the RF power splitter front panel to theLO IN 0 IF2 and LO IN 1 IF2 connectors of the USRP-2945 back panel using SMA (m)-to-SMA (m) cables.4.Repeat steps 1 through 3 using a second splitter and additional cables to re-import and share the IF1 signal.The completed hardware setup is shown in the following figure.Figure 5. LO Re-Import Configuration1.RF Power AmplifierRP RIO Device3.RF Power Splitters4.SMA (m)-to-SMA (m) CablesProgramming the DeviceYou can use the NI-USRP instrument driver to create communications applications for the USRP RIO device.USRP RIO devices are LabVIEW FPGA targets, which support creating custom FPGAs and configuring the device using Instrument Design Libraries (IDLs).NI-USRP Instrument DriverThe NI-USRP instrument driver features a set of functions and properties that exercise the capabilities of the USRP RIO device, including configuration, control, and other device-specific functions.Related concepts■Refer to the NI-USRP Manual for information about using the instrument driver in your applications.Software OptionsNI provides two software options for programming the USRP RIO device: the NI-USRP API and the USRP RIO IDL.Table 1. Software OptionsNI-USRP Examples, Lessons, and Sample ProjectsNI-USRP includes several examples, lessons, and sample projects for LabVIEW, LabVIEW NXG, and LabVIEW Communications System Design Suite. They can be used individually or as components of other applications.NI-USRP examples, lessons, and sample projects are available in the following locations.Verifying the Device Connection (Optional)Complete the steps appropriate for your installed ADE to verify the device connection.Verifying the Device Connection Using LabVIEW NXG or LabVIEW Communications System Design Suite 2.1 to CurrentUse USRP Rx Continuous Async to confirm that the device receives signals and isconnected correctly to the host computer.1.Navigate to Learning » Examples » Hardware Input and Output » NI-USRP » NI-USRP.2.Select Rx Continuous Async. Click Create.3.Run USRP Rx Continuous Async.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 LabVIEWRun a VI to confirm that the device transmits and/or receives signals and is connected correctly to the host computer.1.Create a sample project in LabVIEW by selecting File » Create Project »NI-USRP.2.Select the NI-USRP Simple Streaming sample project template and click Next.3.Run the appropriate streaming VI according to your USRP RIO device.display waveform data.4.Click STOP to conclude the test.TroubleshootingIf an issue persists after you complete a troubleshooting procedure, search our KnowledgeBase for additional information our technical support engineers create as they answer common user questions and resolve unexpected issues.Why Doesn't the Device Power On?If you cannot power on the device, complete the following steps.■Verify that the device is connected to the power supply.■Verify that the power supply is functional.■Verify that the power switch on the front of the device is engaged.Why Doesn't the USRP Device Appear in the NI-USRP Configuration Utility?Check the connection between the USRP RIO device and the computer. Ensure that the USRP RIO device is powered on and connected to a computer before you power on the computer.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?Your device ships with firmware and FPGA images compatible with the NI-USRP driver software. You may need to update the device for compatibility with the latest version of the software.The driver software media also includes the NI-USRP Configuration Utility, which you can use to update the devices.Why Do I Receive an Enumeration Error?If you are using a desktop computer with the NI-USRP instrument driver installed, it is possible that there is a compatibility issue between your computer and the PCIe card. Complete the following steps to confirm this issue and resolve it.1.Navigate to Start » Device Manager to confirm the issue by verifying that PCIData Acquisition and Signal Processing Device/Controller appears in Device Manager and that your USRP RIO device does not.If you cannot confirm this, then the issue is not likely caused by acompatibility problem between your computer and the PCIe card. Contact NI or visit /support2.Install the latest BIOS Compatibility software.3.Restart your computer.plete the steps appropriate for your installed ADE in Verifying the DeviceConnection. Repeat step 1 and observe if the outcome has changed. If youstill receive an Enumeration Error, continue to step 5.5.Power off your computer and remove the MXI card.6.Toggle switch 1.7.Reinstall the MXI card and power on your computer.8.Repeat step 4. If nothing has changed, continue to step 7.9.Uninstall the BIOS Compatibility software. Restart your computer.10.Repeat step 4.If trouble persists, contact NI or visit /support.Why Don't NI-USRP Examples Appear in the NI Example Finder in LabVIEW?NI-USRP does not install examples into the NI Example Finder.Related concepts■NI-USRP Examples, Lessons, and Sample ProjectsDirect Connections to the DeviceThe USRP RIO device is a precision RF instrument that is sensitive to ESD and transients. Ensure you take the following precautions when making direct connections to the USRP RIO device to avoid damaging the device.■ Ensure you are properly grounded when manipulating cables or antennas connected to the USRP RIO device TX 1 RX 1, RX 1, or RX 2 connector.■ If you are using nonisolated devices, such as a nonisolated RF antenna,ensure the devices are maintained in a static-free environment.■If you are using an active device, such as a preamplifier or switch routed to the USRP RIO device TX 1 RX 1, RX 1, or RX 2 connector, ensure that the device cannot generate signal transients greater than the RF and DC specifications of the USRP RIO device TX 1 RX 1, RX 1, or RX 2 connector.USRP-2940 Front Panel, Back Panel, and LEDsFront PanelTable 8. Connector DescriptionsTable 9. LED Descriptions The LED indications described in the following table occur only when you use the NI-USRP API with the default FPGA image. When you use LabVIEW FPGA, you customize the LED indications.Back PanelTable 10. Connector DescriptionsUSRP-2942 Front Panel, Back Panel, and LEDs Front PanelTable 8. Connector DescriptionsTable 9. LED Descriptions Back PanelTable 10. Connector DescriptionsUSRP-2943 Front Panel, Back Panel, and LEDs Front PanelTable 8. Connector DescriptionsTable 9. LED Descriptions The LED indications described in the following table occur only when you use the NI-USRP API with the default FPGA image. When you use LabVIEW FPGA, you customize the LED indications.Back Panel.Table 10. Connector DescriptionsUSRP-2944 Front Panel, Back Panel, and LEDs Front PanelTable 11. Connector DescriptionsTable 12. LED IndicatorsBack PanelTable 13. Connector Descriptions© National Instruments31USRP-2945 Front Panel, Back Panel, and LEDs Front PanelTable 14. Connector Descriptions32Table 15. LED IndicatorsBack Panel© National Instruments3334Table 16. Connector DescriptionsGPIO ConnectorTable 17. GPIO Connector Pin Assignments© National Instruments35Where to Go NextRefer to the following figure for information about other product tasks andNI ServicesVisit /support to find support resources including documentation,downloads, and troubleshooting and application development self-help such as tutorials and examples.Visit /services to learn about NI service offerings such as calibration options, repair, and replacement.Visit /register to register your NI product. Product registration facilitatestechnical support and ensures that you receive important information updates from NI.NI corporate headquarters is located at 11500 N Mopac Expwy, Austin, TX,78759-3504, USA.36© 2022 National Instruments Corporation.。