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umcs(4) [freebsd man page]

UMCS(4) 						   BSD Kernel Interfaces Manual 						   UMCS(4)

umcs -- USB support for serial adapters based on the MCS7820 and MCS7840 chips SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file: device usb device ucom device umcs Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): umcs_load="YES" DESCRIPTION
The umcs driver provides support for various multiport serial adapters based on the MosCom MCS7820 and MCS7840 chips. They are 2- or 4-port adapters with full-featured 16550-compatible UARTs and very flexible baud generators. Also, these chips support RS422/RS485 and IrDA opera- tions. The device is accessed through the ucom(4) driver which makes it behave like a tty(4). Different ports on device are presented as sub-units, like /dev/ttyU0.1 and /dev/ttyU0.2. HARDWARE
The umcs driver was tested on the following adapters: o ST Lab U-360 two-port serial USB adapter o ST Lab U-400 four-port serial USB adapter SEE ALSO
tty(4), ucom(4), usb(4) HISTORY
The umcs driver appeared in ports since December of 2010. AUTHORS
The umcs driver was written by Lev Serebryakov <>. BUGS
This driver doesn't support access to any fine tunes of chip, like RS522/RS485 mode, non-standard baudrates, etc. BSD
February 25, 2012 BSD

Check Out this Related Man Page

UFTDI(4)						   BSD Kernel Interfaces Manual 						  UFTDI(4)

uftdi -- USB support for serial adapters based on the FT8U100AX and FT8U232AM chips SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file: device uftdi device ucom Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): uftdi_load="YES" DESCRIPTION
The uftdi driver provides support for various serial adapters based on the FTDI FT2232C, FT8U100AX and FT8U232AM chips. The device is accessed through the ucom(4) driver which makes it behave like a tty(4). HARDWARE
The uftdi driver supports the following adapters: o B&B Electronics USB->RS422/485 adapter o Elexol USB MOD1 and USB MOD3 o HP USB-Serial adapter shipped with some HP laptops o Inland UAS111 o QVS USC-1000 o Buffalo PC-OP-RS / Kurouto-shikou KURO-RS universal remote o Prologix GPIB-USB Controller SEE ALSO
tty(4), ucom(4), usb(4) HISTORY
The uftdi driver appeared in FreeBSD 4.8 from NetBSD 1.5. BSD
November 22, 2006 BSD
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