Адаптер USB-Serial

Подключить адаптер к USB-порту

Открыть терминал и и посмотреть последние сообщения dmesg

Адаптер 1
host# dmesg | tail ... [ 339.xxxxxx] usb 1-3: new full-speed USB device number 6 using xhci_hcd [ 339.xxxxxx] usb 1-3: new USB device found, idVendor=067b, idProduct=2303 [ 339.xxxxxx] usb 1-3: new USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 339.xxxxxx] usb 1-3: Product: USB-Serial Controller [ 339.xxxxxx] usb 1-3: Manufacturer: Profilic Technology Inc. [ 339.xxxxxx] pl2303 1-3:1.0: pl2303 converter detected [ 339.xxxxxx] usb 1-3: pl2303 converter now attached to ttyUSB0
Адаптер 2
host# dmesg | tail ... [ 339.xxxxxx] usb 1-3: new full-speed USB device number 7 using xhci_hcd [ 339.xxxxxx] usb 1-3: new USB device found, idVendor=1a86, idProduct=7523 [ 339.xxxxxx] usb 1-3: new USB device strings: Mfr=0, Product=2, SerialNumber=0 [ 339.xxxxxx] usb 1-3: Product: USB2.0-Ser! [ 339.xxxxxx] usbcore: registered new interface driver ch341 [ 339.xxxxxx] usbserial: USB Serial support registered for ch341-uart [ 339.xxxxxx] ch341 1-3:1.0: ch341-uart converter detected [ 339.xxxxxx] usb 1-3: ch341-uart converter now attached to ttyUSB0

В обоих случаях видим, что последовательный порт имеет имя /dev/ttyUSB0

Слушаем порт

host# cat /dev/ttyUSB0