feathers# cu -l /dev/cuaU0 -s 9600
cu: unsupported speed 9600
feathers#


ugen5.2: <Prolific Technology Inc.> at usbus5
uplcom0: <Prolific Technology Inc. USB-Serial Controller, class 0/0, rev 1.10/3.00, addr 2> on usbus5
usb2_com_attach_sub:317: tp = 0xffffff000864f000, unit = 0
usb2_com_attach_sub:336: ttycreate: U0
usb2_com_open:532: tp = 0xffffff000864f000
usb2_com_dtr:757: onoff = 1
usb2_com_rts:786: onoff = 1
usb2_com_break:728: onoff = 0
usb2_com_status_change:846:
usb2_com_param:895: sc = 0xffffff005e146a78
usb2_com_dtr:757: onoff = 1
usb2_com_rts:786: onoff = 1
usb2_com_cfg_open:498:
usb2_com_cfg_dtr:742: onoff=1
usb2_com_ioctl:627: cmd = 0x402c7413
usb2_com_ioctl:627: cmd = 0x802c7416
usb2_com_ioctl:627: cmd = 0x2000740d
usb2_com_cfg_rts:768: onoff=1
usb2_com_ioctl:627: cmd = 0x402c7413
usb2_com_ioctl:627: cmd = 0x2000740e
usb2_com_close:594: tp=0xffffff000864f000
usb2_com_shutdown:412:
usb2_com_dtr:757: onoff = 0
usb2_com_rts:786: onoff = 1
usb2_com_cfg_break:713: onoff=0
usb2_com_cfg_dtr:742: onoff=1
usb2_com_cfg_dtr:742: onoff=0
usb2_com_cfg_rts:768: onoff=1
usb2_com_cfg_close:572: