| UMCS(4) | Kernel Interfaces 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).
 
HISTORY
 The 
umcs driver appeared in 
NetBSD 7.
It superseded the moscom(4) driver.