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UMCS(4) Device Drivers Manual UMCS(4)

umcsMosChip Semiconductor based USB multiport serial adapter

umcs* at uhub?
ucom* at umcs?

The umcs driver supports various MosChip Semiconductor based serial adapters.

The following devices should work with the umcs driver:

LogiLink AU0033
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.

December 4, 2014 OpenBSD-6.3