Updated: 2020/Jul/29


UXRCOM(4)                    Device Drivers Manual                   UXRCOM(4)

NAME
     uxrcom - Exar XR21V141x USB serial adapter

SYNOPSIS
     uxrcom* at uhub?
     ucom* at uxrcom?

HARDWARE
     The uxrcom driver supports serial adapters based on the XR21V1410,
     XR21V1412, and XR21V1414 chipsets.  Devices range from single port to
     eight port (implemented as a USB hub and two uxrcom four port instances
     behind it).  Examples of hardware known to work with this driver are:

           Gearmo GM-U28RS232 8 Port USB to Serial DB9 RS232 Adapter

DESCRIPTION
     The uxrcom driver attaches the Exar XR21V141x multiport chipset with
     individual port drivers via ucom(4), which makes it behave like a tty(4).

SEE ALSO
     tty(4), ucom(4), uhub(4), umodem(4), usb(4)

HISTORY
     The uxrcom device driver first appeared in OpenBSD 6.5 and in NetBSD 9.1.

AUTHORS
     The uxrcom driver for the single port XR21V1410 was written by Mark
     Kettenis <kettenis@openbsd.org>.  The multi-port NetBSD driver is based
     on the OpenBSD driver but uses the common umodem(4) framework.  The
     NetBSD driver was written by by Simon Burge <simonb@NetBSD.org>.

NetBSD 9.99                     April 12, 2020                     NetBSD 9.99