Orange Pi 2G-IOT User Manual
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www.orangepi.org
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iii. Login Linux system
After inserting SIM card, power on and enter into Linux system. You could login the
system via serial port or SSH. If you are going to use serial port to login, please be
remember to set the baud rate into 921600.
iv. SMS Usage
There are many ways to use SMS, here will introduce the way with serial port and C
language.
a. With Serial Port
You need to install the tool of minicom on Orange Pi 2G-IOT before using SMS. Please
make sure the board has already connect to wifi.
You could install minicom with the following command:
sudo apt-get install minico
The AP core and Modem will communicate via serial port. There will be a modem0 node
after booting into Linux system. You could use serial port tool to connect to the
/dev/modem0 node, which we recommend you use minicom, you could also try other
tools.
If you are using the minicom or other tools on serial port, please refer to the following:
You could configure with the following command to connect /dev/modem0:
sudo minicmo -s
