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UMCS(4) Device Drivers Manual UMCS(4) NAME umcs - USB multiport serial adapters driver SYNOPSIS umcs* at uhub? ucom* at umcs? HARDWARE The umcs driver supports a wide variety of hardware based on the MosChip 7810, 7820, 7840 chipsets and clones thereof. Devices range from single port to eight port (implemented as a USB hub and two umcs four port instances behind it). Examples of hardware known to work with this driver are: LOGILINK AU0033 DESCRIPTION The umcs driver attaches the MosChip multiport chipset with individual port drivers via ucom(4), which makes it behave like a tty(4). SEE ALSO tty(4), ucom(4), usb(4) HISTORY The umcs driver appeared in NetBSD 7. NetBSD 8.99.34 May 7, 2019 NetBSD 8.99.34