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YUGE CLM920_AC3 User Manual

Linux integration
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Product name
CLM920_AC3 Module Linux Integration User Manual
Number of pages
13
Version
V1.0
Date
2019/3/15
CLM920_AC3 Module
Linux Integration User Manual
V1.0
Shanghai Yuge Information Technology Co., Ltd.
All rights reserved

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Summary of Contents for YUGE CLM920_AC3

  • Page 1 Product name CLM920_AC3 Module Linux Integration User Manual Number of pages Version V1.0 Date 2019/3/15 CLM920_AC3 Module Linux Integration User Manual V1.0 Shanghai Yuge Information Technology Co., Ltd. All rights reserved...

  • Page 2: Table Of Contents

    Chapter 2. Interactive AT process under Linux system............- 6 - Chapter 3. Dial-up Internet Process under Linux System............- 8 - Chapter 4. Linux system loading Yuge module RNDIS dialing instructions.......- 10 - 4.1 Load RNDIS driver....................- 10 - 4.2 RNDIS Network card obtains IP................
  • Page 3 CLM920_AC3 Module Linux Integration User Manual Revise history Version Date Author Description V1.0 2019/03/13 Document group Initial version Shanghai Yuge Information Technology Co., Ltd. - 3 -...

  • Page 4: Chapter 1. Linux System Load Domain Module Usb Driver

    CLM920_AC3 Module Linux Integration User Manual Chapter 1. Linux system load domain module USB driver 1.1 Add USB serial port drive system components USB to serial port drivers are commonly used in Linux systems. Adding a driver requires configuring the Linux kernel as follows.：...
  • Page 5 CLM920_AC3 Module Linux Integration User Manual Add array elements After the modification is complete, recompile the kernel。 After the compilation is complete, you can check the USB serial port loading status by querying the command: ls /dev/ttyU*, as shown below..

  • Page 6: Chapter 2. Interactive At Process Under Linux System

    CLM920_AC3 Module Linux Integration User Manual Chapter 2. Interactive AT process under Linux system 1) Insert the USIM/SIM card into the application terminal correctly and connect the 4G full- range antenna to the RF connector of the module. Module boot, load USB driver, get USB port: ttyUSB0~ttyUSB4.
  • Page 7 CLM920_AC3 Module Linux Integration User Manual Enter the following command to query product information.： Will get the following information： Manufacturer: Yuga Co.,Ltd. Model: CLM920_AC3 Revision: CLM920_AC3-V1 [Mar 1 2 10:00:25] IMEI:3520990017614823 +GCAP: +CGSM Enter the following command to query the PIN information.：...

  • Page 8: Chapter 3. Dial-Up Internet Process Under Linux System

    CLM920_AC3 Module Linux Integration User Manual Chapter 3. Dial-up Internet Process under Linux System 1) Repeat the module's USB loading process and AT interaction process. Make sure the module is properly registered to the network, the signal strength CSQ returns the first parameter above 9；...
  • Page 9 CLM920_AC3 Module Linux Integration User Manual #chat script for LTE. TIMEOUT 15 ABORT "DELAYED" ABORT "BUSY" ABORT "ERROR" ABORT "NO DIALTONE" ABORT "NO CARRIER" "" AT OK ATE0 OK ATD*99# CONNECT After the two scripts are written, execute pppd call lte&, dial-up。...

  • Page 10: Chapter 4. Linux System Loading Yuge Module Rndis Dialing Instructions

    CLM920_AC3 Module Linux Integration User Manual Chapter 4. Linux system loading Yuge module RNDIS dialing instructions 4.1 Load RNDIS driver To use RNDIS, you need to install the driver rndis_host.ko. The general distribution has been compiled and can be run directly. If the embedded development board can configure the kernel's rndis_host as a dynamic module, some kernels need to open the EXPERIMENTAL option.

  • Page 11: Rndis Network Card Obtains Ip

    CLM920_AC3 Module Linux Integration User Manual The driver is loaded. After the module is connected to USB, you can use the ifconfig command to view the network card information.. 4.2 RNDIS Network card obtains IP If the module obtains IP after 2 minutes of USB access, the rndis network card cannot obtain IP.

  • Page 12: Network Test

    CLM920_AC3 Module Linux Integration User Manual successfully registered to the network. For details, refer to the AT manual. AT+CPIN? AT^SYSINFO AT+CSQ AT+CGREG? 2) After confirming that the module is registered on the network, the default is automatically dial-up Internet access, and the following commands are used to dial RNDIS and query the connection.。...

  • Page 13: Chapter 5. Linux System Faq

    CLM920_AC3 Module Linux Integration User Manual Chapter 5. Linux System FAQ 5.1 Q: How do I manually send AT commands via echo cat under Linux? A: In order to send the command AT to ttyUSB2 as an example, you can operate by the following command (by ctrl+c) sudo echo -en "AT\r\n"...

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