3.3V or 5V USB Serial 9600 bps Ready NAS Pro 2 8bit no-parity 4 3 2 1 1bit parity GND RX TX +5V no Flow-control | \ / | X | / \ GND RX TX +5V +3.3 DTR CP2104 Serial USB
$ brew install minicom $ minicom -D /dev/tty.usbserial-XXXX -b 9600 -8 -o
macOS は、CP210x ドライバが標準組み込み
Silicon Labs 公式: CP210x USB to UART Bridge VCP Drivers