USB Serial adapter (Digitus DA-70156 USB Seriell Adapter USB 2.0)

# lsusb 
Bus 006 Device 008: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC
 
# create udev roule
cat << EOF | sudo tee /etc/udev/rules.d/70-usb-serial.rules 
SUBSYSTEM=="tty", SUBSYSTEMS=="usb", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", MODE="0666"
EOF
 
# connect to serial port
screen /dev/ttyUSB0 115200 
 
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