"bit/s" . "/tty:tty?container/tty:aux?container/tty:speed?leaf" . . "tty" . "Speed for the TTY device. Supported speeds are 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600 and 115200." . "9600" . "speed" . "true"^^ . .