[FreeBSD] USB serial convertor

I bought USB serial convertor, and I use it with FreeBSD.

Akizuki Super micro USB Serial convertor module:AE-FT234X (This module uses ＦＴ２３４Ｘ chip)
ugen1.3: at usbus1, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON (90mA)

I connect Raspberry PI with below command.

cu -l /dev/ttyU0 -s 115200