middle_board=/sys/bus/usb/devices/1-1.2
COM8_1=/sys/bus/usb/devices/1-1.3
COM8_2=/sys/bus/usb/devices/1-1.4
LAN_C2=/sys/bus/usb/devices/1-1.2:1.0
LAN_C4=/sys/bus/usb/devices/1-1.1:1.0


