UMCS(4) BSD Kernel Interfaces Manual UMCS(4)
umcs -- MosChip Semiconductor based USB multiport serial adapter
umcs* at uhub?
ucom* at umcs?
The umcs driver supports various MosChip Semiconductor based serial
The following devices should work with the umcs driver:
ST Lab U-360
ST Lab U-400
tty(4), ucom(4), uhub(4), usb(4)
The umcs device driver first appeared in OpenBSD 5.7.
BSD April 27, 2017 BSD