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1、Connect LTE module to the host via USB, power on the module, wait to finish boot Open a shell window on host Input shell command: ifconfig, should find a new Ethernet device, e.g. eth0/usb0 Input shell command: ls /dev/ttyUSB*, should list a new USB serial port device, e.g. /dev/ttyUSB0 Use a serial
2、 port tool like minicom to open /dev/ttyUSB0 Now, use AT commands to control the module refer to the document “HUAWEI Module AT Command Interface Specification” How to use data service Input these AT commands in minicom AT+COPS? /check if has any network ATNDISDUP=1,1,”APN” / dial-up, “APN” should b
3、e changed to the real setting If success, URC will be received: NDISSTAT:1,“IPV4“ Input shell commands dhclient eth0, obtain IP and DNS address of eth0 device ifconfig, check the IP address Now, please use the Internet. Input this AT command in minicom ATNDISDUP=1,0 /disconnect network 发送 AT 指令格式： cat /dev/ttyUSB2 & echo e “atirn” /dev/ttyUSB2 Linux 启用模块虚拟网口的命令： ifconfig ech0 up启用模块网口 udhcpc -i ech0网口配置拨号后获取的 IP 地址 可以修改成 USB0 安卓系统启用模块虚拟网口的命令： killall -9 udhcpc udhcpc -b -i $interface 这个是客户使用的命令，请悉知。
