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LTE-LINK SE user's Guide

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Summary of Contents for LTE-LINK se

Page 1: ...LTE LINK SE User s Guide v2 0 0 CUAV TECH INC LTD ...

Page 2: ...rface description 6 3 2 3 Wiring instructions 7 4 Hardware installation and debugging 8 4 1 Device connection diagram 8 4 2 Interface debugging 8 4 2 1 Prepare to work 8 4 2 2 Data transmission interface debugging 9 4 2 3 HDMI interface debugging 10 11 4 2 4 TF memory card interface debugging 12 4 2 5 SIM card access and network service connection debugging 13 5 Use and operation 14 5 1 Preparatio...

Page 3: ...mode 23 5 7 3 Several restrictions on recording 24 5 7 4 TF memory card overflow handling 25 5 8 Taking photos 24 5 9 System version upgrade 26 5 9 1 Online upgrade 26 5 9 2 Offline upgrade 27 5 10 System version configuration restore 28 5 11 Attention points when equipment use 28 6 Failure analysis and troubleshooting 29 6 1 Network and server connection 29 30 6 2 Status message indication inform...

Page 4: ...LTE LINK SE user s Guide III ...

Page 5: ... bring more convenient and complete functions while also being able to experience the latest open source flight control protocol technology In terms of product maintenance and processing the system provides the function of restoring the system If the current system is abnormal the user can use this function to restore the system The system adopts OLED display complete status information indication...

Page 6: ...uipment 1 3 Safety The device power cord and flight control data transmission line should use the interface line matched by the product to avoid chip damage When the device is working in an environment with poor heat dissipation for a long time do not touch the device directly with your hands You should disconnect the power supply and wait for the surface temperature of the device to drop before r...

Page 7: ...Silicon Hi3516DV100 Network card ME909S 821a Network frequency band LTE FDD B1 B3 B8 LTE TDD B38 B39 B40 B41 DC HSPA HSPA HSPA UMTS B1 B9 B5 B8 B9 TD SCDMA B34 B39 EDGE GPRS GSM 900 1800MHz Flight control type CUAV series Pixhawk series and so on Data protocol MAVLink1 MAVLink2 Transmission distance There is no limit in theory depending on network coverage Video input 1080P 720P Video encoding H26...

Page 8: ...input UART Video input HDMI Antenna interface MMCX Device screen OLED 128 64 Pixel Client side FeiGong transmission Windows 7 and above CUAV GS Android 7 0 and above For other third party client side the data provided by the third party shall prevail Form 2 3 Working environment and physical parameter list Operating Voltage 12V 55V Operating temperature 10 60 Size 75 3mm 39 2mm 19mm Weight 78g ...

Page 9: ...e 3 1 Figure 3 1 LTE LINK SE product appearance 3 2 Product hardware and interface description 3 2 1 Hardware interface diagram The product hardware interface is shown in Figure 3 2 Figure 3 3 OLED display screen SIM card slot Power status light System status light NIC status light Power connector Data transmission interface Button Figure 3 2 ...

Page 10: ...tion state the indicator flashes at a frequency of 1s NIC status light Indicates the current network status of the 4G network card When it flashes twice continuously within 1s it means that the current network card is not inserted into the SIM card or the inserted SIM card cannot connect to the network service when it flashes once within 1s it means the current network card has been inserted to th...

Page 11: ...NT2 Network card network signal antenna secondary interface increase the stability of the network card network receiving signal TF memory card Support external TF memory card for saving video recording files saving photo files and restoring the system offline 3 2 3 Wiring instructions The power cord is shown as Figure 3 4 Figure 3 4 The data transmission interface line is shown as Figure 3 5 Figur...

Page 12: ... the power check whether the OLED screen has a boot interface display For example when the OLED screen is not displaying then check the power indicator status on the LTE LINK SE If the power indicator is on but the screen does not display it is scheduled to be an OLED screen problem On the contrary it is the power supply problem of the equipment power supply After the device is powered on the OLED...

Page 13: ...ry when the connection is abnormal the data transmission connection icon display status will not change When it is judged that the flight control data transmission connection is abnormal it may be caused by several reasons listed below When users or maintenance personnel encounter such problems You can check and repair the equipment according to this list The end of the interface cable is loose or...

Page 14: ...roduct is sold The flight control data cable corresponds to the data transmission interface of the V5 V5 nano V3 V2 Pixhawk series devices so this problem should not be ignored when troubleshooting 4 2 3 HDMI interface debugging The connection identification of the HDMI interface is shown as Figure 4 5 The identification status of the icon in the figure is that there is no camera connected Figure ...

Page 15: ... as follows 1 HDMI instability and h v Nonsupport h and v indicate the HDMI input resolution actually detected by the link device The reasons for this problem are as follows HDMI cable problem HDMI interface poor contact The output resolution of the camera device connected to the HDMI cable is not supported by the LTE LINK SE device HDMI the abnormal state is shown in Figure 4 7 Figure 4 7 HDMI no...

Page 16: ...files If the user needs the video or photograph function It is necessary to debug the access status of the TF memory card during installation There is a TF memory card access status indicator icon on the main interface of the LTE LINK SE device screen shown as Figure 4 9 means the device does not detect the TF memory card access When it is detected that a TF memory card is connected the indicator ...

Page 17: ...he connected SIM card is valid according to the indication status of the network card status light LTE When the network card status light quick flashes twice continuously at a frequency of 1s it means that the SIM card is not inserted or the inserted SIM cannot be connected to the network through the LTE LINK SE device When the network status light flashes once at a frequency of 1s it means that t...

Page 18: ...he screen is normal it will first display the screen detection interface as shown in Figure 4 1 After the detection interface finish displayed the product company logo will be displayed shown as Figure 5 1 After the Logo is displayed for about 3 seconds the currently running system version number of the device will be displayed different versions of memory and troubleshooting methods will be diffe...

Page 19: ...AV cloud server normally 5 3 1 Effective SIM card insertion detection The device detects whether there is a valid SIM card currently connected at the same time the screen interface displays the sim check status message shown as Figure 5 3 Figure 5 3 Detecting SIM 5 3 2 Register SIM card network After the SIM card has passed the detects the device will register the SIM card network status and the s...

Page 20: ...blic network the status message on the screen interface will change from lte net start to lte net OK At the same time the 4G signal strength indicator area on the screen starts to display the current 4G signal strength value of the device in real time shown as Figure 5 6 Figure 5 6 NIC network connection is successful 5 3 5 Synchronize network time to device After the public network connection is ...

Page 21: ...ter the device is successfully connected to the CUAV Cloud server the user can use CUAV cloud s related ground terminal APP to connect to the link device to view the video or control the flight controller After successfully connecting to the server the link device screen interface status message information is displayed as connection eatablish At the same time the device indicates the network dela...

Page 22: ...e link device according to the device CID code The user follows the prompt on the link device screen to button and finally the CUAV cloud ground terminal APP inquires that the corresponding link device has been bound in the binding list The detailed operation steps of the link device are described as follows 1 Get the CID code of the link device After the user presses the button for 3 seconds the ...

Page 23: ...er the ground side APP requests to bind the terminal link device if the terminal link receives the binding request the screen interface will prompt the user to short press the button to confirm the ground side APP binding the interface shown as Figure 5 11 At this time the user needs to press the button to confirm within 30s otherwise will prompt the binding timeout shown as Figure 5 12 If the bin...

Page 24: ...cording to section 4 2 2 to ensure the communication between the flight control device and the terminal link device is normal When there a flight control device is connected and the terminal link device is connected to the CUAV cloud server the terminal link device will forward the flight control device data in real time At this time if the user has bound the terminal link device to the ground ter...

Page 25: ...ing video data status LTE LINK SE equipment supports at least three video resolutions smooth standard definition and high definition If the camera connected to the link device is a full HD camera 1080P it also supports full HD transmission mode In particular some CUAV cloud s ground end apps will have auto resolution in the video switching options when setting on the terminal link if the ground te...

Page 26: ...mission resolution corresponds to the SIM card network uplink bandwidth value list Video transmission resolution Minimum requirement for SIM card network uplink bandwidth Smooth 640 480 1Mbit Standard definition 845 480 2Mbit High definition 1280 720 3Mbit Full HD 1920 1080 4Mbit 5 7 Video 5 7 1 Premise demand 1 Camera connection Debug the HDMI interface of the terminal link device according to se...

Page 27: ...n taking off When the automatic recording mode is turned on the terminal link device will start recording when it detects a video input when it is powered on until the user manually stops recording or the device shuts down When the aircraft takes off in video recording mode the terminal link device will determine the status of the connected flight control device in real time When it detects that t...

Page 28: ... two conflict situations are handled according to the first instruction to perform the recording action Figure 5 17 Video recording 5 7 3 Several restrictions on recording If the recording time is less than 30 seconds the recording will be regarded as invalid and the recording file will not be saved to the TF memory card When recording video if the TF card is abnormal or the TF card is ejected abn...

Page 29: ...ng photos Before using the camera function of the LTE LINK SE link device the user needs to debug the HDMI interface and TF memory card of the terminal link device according to chapter 4 2 3 and 4 2 4 Some descriptions of the camera function of the terminal link device are as follows The resolution of the photos taken is subject to the highest resolution supported by the camera device the highest ...

Page 30: ...t version of the current system when a new version of the system is detected the device will update the current system to the latest version in the background The nature of the equipment upgrade is mandatory and the user does not need to do any operations and the normal use of the equipment functions will not be affected during the upgrade The status message on the screen interface shows five upgr...

Page 31: ...red on it will check whether there is an upgrade file of u boot kernel or rootfs in the root directory of the TF card and upgrade the corresponding file if it exists Notes The file must be placed in the root directory of the TF card The file name must be named after u boot kernel rootfs After the upgrade is finish the link device will actively delete the corresponding upgrade file in the TF memory...

Page 32: ... the restoration process is described as follows When the device is powered on press and hold the button for 3 seconds When the screen prompts to detect device restoration it means that the device has entered the restoration process shown as Figure 5 22 At this time just wait for the restoration of the device and restart automatically Figure 5 22 Device restore 5 11 Attention points when equipment...

Page 33: ...t link device or the SIM card currently inserted is invalid The troubleshooting method is as follows Confirm the network usage of the inserted SIM card Confirm that the SIM card is correctly inserted into the SIM card slot Check whether the device Micro SIM card slot device is damaged Check according to chapter 4 2 5 LTE light status Figure 6 1 The screen interface status message display has been ...

Page 34: ...s damaged The current network environment of the device does not support 4G network or the 4G network signal is poor Figure 6 3 Screen interface status message display lte device reset The current device s LTE network card has an unrepairable error and the device is actively restarting the LTE network card The troubleshooting method is as follows The LTE network card hardware in the link device is...

Page 35: ...stem firmware reboot to update Restart the device to upgrade the device firmware version update fail Update failure 6 2 2 Device network detection message prompt list Form 6 2 Device network detection message prompt list Status message on device Introduction sim check Checking whether the SIM card is valid sim not found No SIM card found or invalid SIM card inserted sim net register Registering SI...

Page 36: ...ver connection eatablish CUAV cloud server successfully connected Network disconnect CUAV cloud server connection is disconnected 6 2 3 External device function message prompt list Form 6 4 External device function message prompt list Status message on device Introduction photo success Photo taking successfully photo failed Failed to take photo photo fail SD 100M Failed to take photo the remaining...

Page 37: ...eration is invalid SD free space 100M The remaining space of the TF card is less than 100MB the operation is invalid record format error Video recording format error invalid operation SD total space 5GB The total space of TF card is less than 5GB the operation is invalid autorecord pic error The auto recorded video resolution is not supported record fail unknown Video recording failed unknown erro...

Page 38: ... cause the entire link system to enter the overload state The user can judge whether the link system has been overloaded according to the state of the system status light When it is judged that the system is in an overload state it is necessary to stop supplying power to the link device and cool the device temperature to the normal operating temperature before powering on again ...

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