RTimes X509 User manual

X509
Product Manual
Realtimes Beijing Technology Co., LTD.
Fax:+86 010-84284669 / 84280996
Email: [email protected]
Web Page: https://www.realtimesai.com
Address: 11th Floor, Block B, 20th Heping Xiyuan, Pingxi Street,
Chaoyang District, Beijing 100013,P.R.China

X509 Reference Manual V1.2
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Revision History
Revision
Date
Reason for change
Applicable
hardware version
Modified by
V1.0
2020.2
Initial release
V1.0
V1.1
2020.6
Add notes
V1.0
RT0086
V1.2
2022.1.10
Add software version supporting
instructions
V1.0
RT0086

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X509 Reference Manual V1.2
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Table of Contents
Product presentation................................................................................................................................................... 6
1INTRODUCTION........................................................................................................................................................... 6
1.1 Features.......................................................................................................................................................... 6
1.2 Ordering Information......................................................................................................................................7
PRODUCT SPECIFICATIONS........................................................................................................................................... 8
1 EXTERNAL INTERFACE FUNCTION AND LOCATION............................................................................................................... 8
2 CONNECTORS DESCRIPTION...........................................................................................................................................9
2.1 Mini HDMI connector......................................................................................................................................9
2.2 Ethernet connector......................................................................................................................................... 9
2.3 USB3.0 connector........................................................................................................................................... 9
2.4 SD card connector...........................................................................................................................................9
2.5 WiFi antenna connector................................................................................................................................. 9
2.6 Power input port...........................................................................................................................................10
2.7 OTG-USB2.0 connector................................................................................................................................. 10
2.8 FDP-LINK III connector.................................................................................................................................. 10
2.9 Function connector....................................................................................................................................... 10
3 PRODUCT SIZE DIAGRAM............................................................................................................................................. 11
4 HARDWARE UPDATE HISTORY.......................................................................................................................................11
SOFTWARE VERSION SUPPORTING INSTRUCTIONS.................................................................................12
1USE........................................................................................................................................................................12
1.1 Smart box power on and start...................................................................................................................... 12
1.2 Recovery Mode.............................................................................................................................................. 12
2 L4T(LINUX FOR TEGRA ABBREVIATION“L4T”).............................................................................................12
3 JETPACK................................................................................................................................................................13
3.1 Jetpack Component summary.......................................................................................................................13
3.2 How to install Jetpack.................................................................................................................................. 13
3.3 Sample application....................................................................................................................................... 15
3.4 Developer tools.............................................................................................................................................15
3.5 Documentation............................................................................................................................................. 16
TERMS OF WARRANTY........................................................................................................................................17
COPYRIGHT NOTICE............................................................................................................................................ 18

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X509 Reference Manual V1.2
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Electronic components and circuits are very sensitive to electrostatic discharge. Although our company
designs anti-static protection for the main interfaces on the card when designing circuit board products,
it is difficult to achieve anti-static safety protection for all components and circuits. Therefore, it is
recommended to observe anti-static safety precautions when handling any circuit board component
(including X509). Anti-static safety protection measures include, but are not limited to the following:
a) The smart box should be placed in an anti-static bag during transportation and storage, and then the
board should not be taken out during installation and deployment.
b) Before touching the smart box, discharge the static electricity stored in the body: wear a discharge
grounding wrist strap.
c) Operate the smart box only within the safe area of the electrostatic discharge point.
d) Avoid moving smart boxes in carpeted areas.
Precautions and after-sales maintenance
matters needing attention
Before using the product, please read this manual carefully and keep it for future reference;
⚫Please pay attention to and follow all warning and guidance information marked on the product;
⚫Please use matching power adapter to ensure the stability of voltage and current;
⚫Please use this product in a cool, dry and clean place;
⚫Do not use this product in cold and hot alternate environment to avoid condensation damage
components;
⚫Do not splash any liquid on the product. Do not use organic solvent or corrosive liquid to clean the
product;
⚫Do not use the product in dusty and messy environment. If it is not used for a long time, please pack
the product;
⚫Do not use in the environment with excessive vibration, any dropping or knocking may damage the
circuit and components;
⚫Do not plug and unplug the core board and peripheral modules when power is on;
⚫Please do not repair or disassemble the product by yourself. In case of any fault, please contact our
company in time for maintenance;
⚫Do not modify or use unauthorized accessories by yourself, and the damage caused will not be
warranted;
After sales maintenance

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X509 Reference Manual V1.2
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1) Warranty period
⚫Base plate, core plate : 3 year (non-human damage)
⚫Other peripherals sold by the company:1year(non-human damage)
2) Warranty description
⚫Within 7 days: the product (base plate, core module) is not damaged by human, our company will
replace / repair it free of charge, and bear the return freight; (because the core module needs NVIDIA to
confirm that it can meet the requirements of repair, it will take a long time, we will coordinate as soon
as possible, please forgive for the inconvenience)
⚫From 7 days to 36 months: the product (base plate, core module) is not damaged by human, our
company will repair it free of charge, and bear the return freight; (because the core module needs
NVIDIA to confirm that it can meet the requirements of repair, it will take a long time, we will
coordinate as soon as possible, please forgive for the inconvenience)
⚫Artificial damage in more than 3 year or 3 year: the product (carrier plate) shall be tested after it is
sent to the customer, and the customer shall be informed of whether it can be repaired and the
maintenance cost in detail. After reaching an agreement, the product shall be repaired and returned to
the customer, and the company shall bear the return freight;
⚫The starting time shall be subject to the date of express delivery receipt;
3) Contact information
Official website: www.realtimesai.com
Taobao website: https://shop340963258.taobao.com/
Address: 11, block B, Heping Xiyuan, Heping West Street, Chaoyang District, Beijing
Attention: RMA
Tel: 010-84284669
Mailing notice: contact with the company's sales department in advance, arrange technical support
personnel to check and eliminate errors caused by misoperation as soon as possible, fill in the product
after-sale return to factory maintenance form after verification, and send it to rma@realtimes.cn Mail
box, please attach the list of items to facilitate verification, so as to avoid loss and loss in the process of
express delivery. The company does not receive any delivery
Technical support and development customization
1. Scope of technical support
1) The company releases the electrical characteristics and use of industrial carrier boards and modules;
2) Physical dimension of hardware, relevant structure diagram and line sequence definition of specific
interface;
3) Burn in verification of all BSP support packages provided by the company;
4) The company released burn environment construction, entry-level use. ;
5) Various peripheral module drivers released by the company;
6) The company's product fault diagnosis and after-sales maintenance services;
2. Scope of technical discussion
Due to the wide range of embedded system knowledge and various types of involvement, we can not
guarantee that all kinds of questions can be answered one by one. The following content is not available
for technical support, only suggestions can be provided.
1) Knowledge beyond the course published by our company;
2) Specific software program design;

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X509 Reference Manual V1.2
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3) Technical support for industrial carrier not issued by the company;
4) All kinds of driving support for industrial carrier board not issued by the company;
5) Hardware principle and drive design of peripheral module not issued by our company;
3. Technical support mode
1) Official website or email questions (recommended):
https://www.realtimesai.com/cn/download.html techsupp[email protected]
2) Official Taobao through Alibaba Wangwang consultation: https://shop340963258.taobao.com/
3) Wechat group consultation (wechat Group No. consults Taobao customer service or sales, and
Taobao purchase order No. needs to be provided for verification);
4) Technical support email: techsupport@realtimes.cn
5) Tel: 010-84284669
4. Technical support time
Monday to Friday; 8:30-12:00 am; 1:00-17:30 PM;
The company arranges the rest according to the national legal holidays, during which it may not be able
to provide technical support, please send the problem to the technical support email. We will reply to
you as soon as possible on weekdays.
5. Complaints and suggestions
If you are not satisfied with us or have suggestions, you can send an email to yu.qin @ realtimes.cn For
feedback, please call 010-84284669 for further improvement.
6. Customized development services
The company provides the embedded operating system driver based on NVIDIA Jetson series and the
paid customized development service of hardware carrier board to shorten your product development
cycle.
Please email the request to info@realtimes.cn
Data acquisition and subsequent update
1. Access to information
Download on our website
The company's website contains supporting information of its products, including product
Product Manual, NVIDIA Jetson series module data manual, BSP driver support package for
carrier board, supporting peripheral driver files, interface test verification method, FAQ, system
burning guide, etc. get into www.realtimesai.com , select "data download" in the navigation
bar, find the data you need, and click download.
2. . Subsequent updates
Updates of subsequent documents, BSP, driver files and other official account will be updated in time.
We will pay close attention to our developments in order to ensure that your information is up to date.
We will push through WeChat public.

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X509 Reference Manual V1.2
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Product presentation
1 Introduction
X509 is a new type of Cloud intelligence box ™ designed based on NVIDIA Jetson™ Xavier
NX series modules. It is built with Xavier NX module integrated with 384 core Volta architecture
GPU. It is pre-installed with Ubuntu 18.04 operating system and equipped with 21TOPS floating
point AI processing capacity. Using super strong light aluminum alloy material design, cooling
fan type, have excellent heat dissipation capacity, the overall size is small and light, good
structure of human body engineering, obligate has easy wing structure, installation site 7 x24
hours long MTBF and stable operation ability, can be applied to robots, unmanned delivery
vehicles, intelligent brake machine, intelligent selling customized machine, such as container is
the edge of the end calculate force deployment AI ideal vehicle for the in-depth study.
The external interface resources provided by X509 include: 1 X GbE,1 x Mini PCIE, 1 x
USB3.0, 1 x USB2.0, 1 x USB OTG,2 x 3.3V UART, 1 x FPD-Link III,1 x MIPI,12 X
GPIO(optional),1 X Mini HDMI,1 x Micro SD, 1 x Micro SIM,4G LTE(optional), the products
have passed CCC certification and CE certification of EU.
1.1 Features
Compatible with nvidia Jetson Xavier_NX module
GPU: Volta Architecture's NVIDIA Jetson™ Xavier NX 384 core
CPU: NVIDIA Carmel ARM v8.2 (6-core) @ 1.4GHz (6MB L2 + 4MB L3)
Operating system: Linux pre-installed
Memory: 8GB LPDDR4
Storage: Built-in 16GB or expandable TF card slot
One USB3.0, One USB2.0,One USB2.0 OTG
One Micro SD port
One SIM card port
Two uart prot compliance with 3.3V voltage level
One Gigabit Ethernet
Two I2C and two SPI
One Mini-PCIe (expandable: PAL / HD-SDI video capture, GPS / Beidou module, AD /
DA module, 4G module, storage module, etc.) interface
One FPD-LINK III and one MIPI camera port
One Mini HDMI 2.0
Size: 105mm×70mm ×61mm
Power input: +12V
Temperature: -25℃~+65℃
Weight:365g

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X509 Reference Manual V1.2
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1.2 Ordering Information
Model Options
Functional Description
X509
Xavier NX Cloud Intelligence box air-cooled version, built-in
Xavier NX module, pre-installed Ubuntu 18.04, built-in 16GB
eMMC; 1x USB 3.0,1 x USB 2.0,1 x USB OTG,1 x miniHDMI,
1x GbE, 1x Micro SD, 3x 3.3V UART, 2 x SPI, 2 x I2C, 1x
MiniPCIe, 4G module optional; Power indicator light, power
switch button, -20 -- +65℃; Including cable package (HDMI,
serial port, SPI, I2C); Includes power adapter, provides Ruitai
new Era Linux4Tegra software support package, passed THE 3C
and CE certification
X509-S
Xavier NX Cloud Intelligence box air-cooled version, built-in
Xavier NX module, pre-installed Ubuntu 18.04, built-in 16GB
eMMC; 1x USB 3.0,1 x USB 2.0,1 x USB OTG, 1x miniHDMI,
1x GbE, 1x Micro SD, 3x 3.3V UART, 2 x SPI, 2 x
I2C,FPD-Link,1 x MiniPCIe, 4G module optional; Power
indicator light, power switch button, -20 -- +60℃; Including
cable package (HDMI, serial port, SPI, I2C); Includes power
adapter, provides Ruitai new Era Linux4Tegra software support
package, passed THE 3C and CE certification
RTS-IMX390-F120
(optional)
FPD-LINK III camera
Cable-RTS-XF120
(optional)
Cable for FPD-LINK III camera, length X=2,5,10(m)
Mini-pcie Video Capture
Card (optional)
RTSV-6911i (8-channel D1 NTSC/PAL video input),
RTSV-6901 (single-channel SDI video input),
RTSV-6941 (single-channel HDMI Video Input)
Mini-pcie 4G Module
(optional)
mini-PCIe Full netcom 4G module
Order online:
https://shop340963258.taobao.com
https://mall.jd.com/index-824786.html

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X509 Reference Manual V1.2
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Product specifications
1 External interface function and location
X509 FRONT
X509 BACK

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X509 Reference Manual V1.2
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2 Connectors Description
2.1 Mini HDMI connector
Function
HDMI output interface
marking
HDMI
Type
Mini HDMI connector
2.2 Ethernet connector
Function
Gigabit Ethernet connector
marking
Ethernet
Type
RJ45
2.3 USB3.0 connector
Function
USB3.0 connectors
marking
USB3.0
Type
UBS3.0 Type-A
2.4 SD card connector
Function
SD card interface
marking
TF CARD
Type
Micro SD(TF)
2.5 WiFi antenna connector
Function
WiFi antenna interface
marking
AT1 AT2
Type
ipex to sma female

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X509 Reference Manual V1.2
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2.6 Power input port
Function
Power input port
marking
Power Input
Type
2Pin interface
Pin define
Input voltage: +5V
2.7 OTG-USB2.0 connector
Function
USB2.0 connectors
marking
USB-OTG
Type
UBS2.0 Micro Type-B
2.8 FDP-LINK III connector
Function
FDP-LINK III camera input connectors
marking
FDP-LINK camera port
Type
FDP-LINK III interface, X509-S has this function interface,
X509 does not have this interface.
2.9 Function connector
Function
Function port
marking
URT/I2C
Type
DB9
Pin define
Pin
Signal
Pin
Signal
1
UART2_TXD
2
UART2_RTS
3
UART3_TXD
4
UART3_RTS
5
GND
6
UART2_RXD
7
UART2_CTS
8
UART3_RXD
9
UART3_CTS
Function
Function port
marking
Button
Type
DB9
Pin define
Pin
Signal
Pin
Signal
1
GND
2
GND
3
GND
4
GND
5
GND
6
DEV_3V3
7
DEV_3V3
8
BUTTON_PWR_ON

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X509 Reference Manual V1.2
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9
FORCE_RECOVER
Y
3 Product size diagram
4 Hardware update history
X509 hardware update history
edition
Updata description
V1.0
Initial release

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X509 Reference Manual V1.2
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Software version supporting instructions
X509 is a complete product with Jetson Xavier NX module as the core. Provide developers with one-stop
terminal equipment to assist developers in application development.
X509 Feiyun Smart Box supporting software includes:
- L4T (Linux for Tegra): L4T provides "OS" for your Feiyun Smart Box, including Linux kernel, boot
loader, board support package (BSP) and sample file system. (By default, the pure system has been
installed for the device, Jetpack needs to be installed by itself)
- Jetpack: Jetpack sdk is the most comprehensive solution for building AI applications. It includes
software libraries and apis, examples, developer tools and documentation for the latest and previous
versions of Jetson products.
1 use
1.1 Smart box power on and start
a) Ensure that the voltage of all external systems is turned off
b) Install necessary external cables. (Such as: the display cable connected to the HDMI display, the
power input cable to power the system, the USB cable connecting the keyboard and mouse ...)
c) Connect the power cord to a power source.
d) Connect to the power supply of X509, the system will start working after power on.
1.2 Recovery Mode
Jetson Xavier NX core modules can work in normal mode and Recovery mode. In Recovery mode, you can
perform file system update, kernel update, boot loader update, BCT update and other operations.
To enter Recovery mode:
a) Turn off the system power supply.
b) Use a USB cable to connect the OTG port of the X509 and the USB port of the Jetson development host.
c) Short-circuit the 1 and 9 pins of the Button connector to power the system. Keep the power supply for
more than 3 seconds, and then disconnect the 1 and 9 pins of the Button connector.
d) The system enters Recovery mode, and you can perform subsequent operations at this time.
2 L4T(Linux for Tegra Abbreviation“L4T”)
L4T provides "OS" for your Feiyun Smart Box, including Linux kernel, boot loader, board support
package (BSP) and sample file system.
X509 Smart Box is working on a system burned with the official original version of NVIDIA Linux For
Tegra (L4T). HDMI, Gigabit Ethernet, USB2.0, serial port, GPIO, SD card, I2C bus can all be supported. But
Mini-PCIe, M.2, USB3.0, fan interface, etc. cannot work normally.
For all support of X509 smart box interface, the supporting driver patch (BSP: Board Support Package)
needs to be loaded. Use the flash method to program the system. SDK Manager to install all other JetPack
components except L4T to make your Feiyun Smart Box up and running quickly.
For system programming documentation, please refer to "Xavier NX system programming instruction
manual"

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L4T and BSP can be downloaded from Ruitai Cloud Space, and L4T can also be downloaded directly from
the L4T main page on the Jetson developer site.
Please contact sales for the user and password of Ruitai Cloud Space.
3 Jetpack
Nvidia jetpack sdk is the most comprehensive solution for building AI applications. It includes software
libraries and apis, examples, developer tools and documentation for the latest and previous versions of Jetson
products.
3.1 Jetpack Component summary
This section briefly introduces each component of JetPack. For more detailed information about these
components, please refer to JetPack's online documentation.
OS Image
JetPack includes a reference file system derived from Ubuntu. (Development kit system, no need to install)
Libraries and APIs
JetPack library and API include:
•TensorRT and cuDNN for high-performance deep learning applications
•CUDA for multi-domain GPU accelerated applications
•NVIDIA Container Runtime for containerized GPU accelerated applications
•Multimedia API package for camera application and sensor driver development
•VisionWorks, OpenCV and VPI for visual computing applications
•Sample application
3.2 How to install Jetpack
Overview of process steps
Installing JetPack to your Jetson device requires you to perform the following steps:
1. Download and install the NVIDIA SDK Manager on the Linux host.
2. Connect your jetson device to the Linux host (Micro USB or network (same network segment).
3. Test your device can connect via ssh.
4. Use SDK Manager to select and install the required components.
Download and install the NVIDIA SDK Manager on the Linux host.
You must have a Linux host with internet access to run SDK Manager and refresh the developer kit. The
supported host operating systems are:
Ubuntu Linux x64 Version 18.04 or 16.04
Download and install NVIDIA SDK Manager.
sdkmanager Installation package:sdkmanager-[version].[build#].deb
The current version is:sdkmanager_1.2.0
sdkmanager install
$ sudo apt install ./sdkmanager-[version].[build#].deb

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X509 Reference Manual V1.2
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Connect your jetson device to the Linux host
Prepare your Jetson device for the following settings. (If the equipment system is not initialized, the system
user needs to initialize after power-on)
- Connect the monitor, keyboard and mouse to the Jetson Feiyun smart box device (please refer to the
interface description above).
-Use Micro USB cable to connect Linux host and Jetson Feiyun Smart Box (or network (same network
segment))
-During the setup process, SDK Manager will provide Internet connection for your jetson Feiyun Smart
Box via USB or network connection.
-Connect the supplied power adapter to the DC jack of the Feiyun Smart Box, and plug the AC interface
into an AC power outlet.
Test that your device can connect via ssh.
If connected via Micro USB, enter lsusb under the Linux host terminal to see the nvidia crop
The device can be accessed through ping or ssh commands
$ ping 192.168.55.1
or
$ ssh <jetson_user>@192.168.55.1
If connected via a network, check whether the device ip address is in the same network segment as the
Linux host on the Feiyun Smart Box, and the Feiyun Smart Box device can be accessed through the ping or
ssh command.
$ ping <jetson_ip>
or
$ ssh <jetson_user>@<jetson_device_ip>
Use SDK Manager to select and install the required components
NVIDIA SDK Manager supports installing software to Jetson core (Flying Cloud Smart Box). For
complete instructions, please refer to Chapter 5 of "Xavier NX System Programming Manual".

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X509 Reference Manual V1.2
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3.3 Sample application
JetPack includes several examples that demonstrate the use of JetPack components.
They are stored in the reference file system and can be compiled in the developer toolkit.
3.4 Developer tools
JetPack includes the following development tools. Some are used directly on the Jetson system, and some
run on a Linux host connected to the Jetson system.
•Application development and debugging tools
•NSight Eclipse version for GPU accelerated application development: runs on a Linux host. Support all
Jetson products.
•CUDA-GDB for application debugging: Run on Jetson system or Linux host. Support all Jetson products.
•CUDA-MEMCHECKdebug application memory error: run on Jetson system. Support all Jetson products.
•Application analysis and optimization tools
•NSight Systems for application multi-core CPU evaluation: run on a Linux host. Helps you improve
application performance by identifying the slower parts of the code. Support all Jetson products.
•NVIDIA®Nsight™ compute Kernel Analyzer: An interactive analysis tool for CUDA applications. It
provides detailed performance indicators and API debugging through user interface and command line tools.
•NSight Graphics for graphics application debugging and evaluation: a consolegrade tool for debugging
and optimizing OpenGL and OpenGL ES programs. Run on the Linux host. Support all Jetson products.
Component
Location
TensorRT
/usr/src/tensorrt/samples/
cuDNN
/usr/src/cudnn_samples_/
CUDA
/usr/local/cuda-/samples/
Multimedia API
/usr/src/tegra_multimedia_api/
VisionWorks
/usr/share/visionworks/sources/samples/
/usr/share/visionworks-tracking/sources/samples/
/usr/share/visionworks-sfm/sources/samples/
OpenCV
/usr/share/OpenCV/samples/
VPI
/opt/nvidia/vpi/vpi-/samples

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3.5 Documentation
Documents related to developers using JetPack include:
•JetPack Documentation
•VisionWorks Documentation
•Nsight Eclipse Edition Documentation
•CUDA-GDB Documentation
•CUDA-MEMCHECK Documentation
•TensorRT Documentation
•cuDNN Documentation
•CUDA Toolkit
•NVIDIA Container Runtime
•OpenCV Documentation
•Jetson Linux Multimedia API Reference
•Nsight Systems
•nvprof
•Visual Profiler
•Nsight Graphics
•Nsight Compute CLI
•VPI–Vision Programming Interface

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Terms of Warranty
Important note
Each embedded product provided by Realtimes Technology is free from any defects in material and
process,fully in line with the specifications officially issued by the original factory.
Realtimes Technology warranty covers the original products,If the parts configured by the dealer are out of
order, please consult with the dealer to solve the problem. All the baseplate and core modules provided by Ruitai
New Era (Beijing) Technology Co., Ltd. are guaranteed for 3 years, while the other peripherals are guaranteed
for 1 year (life-long maintenance service is provided if the warranty period is beyond the warranty period).The
warranty period starts from the date of delivery, for the products repaired within the warranty period, the repair
parts shall be extended for 12 months.Unless notified by Realtimes Technology, the date of your original
invoice shall be the date of shipment.
How do I get warranty services
If the product does not work properly, Please contact Realtimes Technology or dealer for warranty service,
please show invoice when product warranty(this is the proof for you getting warranty service).
Warranty solution
When you ask for warranty service, please follow Realtimes Technology warranty process,You will need to
receive your first diagnosis from a technicial engineer by phone or by email,at that time,we need you to
cooperate with us to fill in all the questions on the RMA form provided by us. Once we accurately determine the
cause of the fault and the location of the damage ,we will provide the charge list for the out of warranty
products,which needs your confirmation.Realtimes Technology keep the right to repair or replace the products.
If the product is replaced or repaired, the replaced faulty product or the repaired and replaced faulty parts will be
returned to Realtimes Technology.
For products under warranty,the customer shall bear the freight when the product is returned to the
manufacturer,Realtimes Technology will bear the ship cost of the products after maintenance.
The following conditions are not covered by the warranty terms
a) Improper installation, improper use, misuse and abuse of products(Overloading, for example).
b) Improper maintenance and storage(Such as fire, explosion, etc)or natural disasters(such as lightning
stroke,earthquake,typhoon,etc)
c) Personal unauthorized changing the product(such as changing circuit characteristics, mechanical
characteristics, software characteristics,Conformal coating).
d) Other failures which are clearly due to misuse(such as overvoltage,polarity reversal, the pin bent or
broken,the wrong connection,drop damage,transportation damage,damage due to over operating
temperature and so on).
e) The logo and part number on the product have been deleted or removed.
f) The product is out of warranty.

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Special concerns
If the same fault multiple occurrence for the products,in order to find out the reason causing the problem,we will
request the users to provide the specific documents or information of peripheral equipment,such as monitor,I/O
boards,cables,power supply, diagram and structure of the system,etc.If such documents or information are not
available,we have the right to refuse to perform the warranty, the repairments will be charged accordingly.
Rev.C 6/2020
Copyright Notice
Realtimes Beijing Technology Co.,LTD.
Realtimes Beijing Technology Co., Ltd. is copyrighted and reserves all rights to this manual and statement.
Without the written permission of the company, no unit or individual may copy, extract, backup, modify,
disseminate, translate into other languages, or use all or part of it for commercial purposes in any way or form.
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