uxrcom(4) - NetBSD Manual Pages

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UXRCOM(4)               NetBSD Kernel Interfaces 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), modem(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 9.4                     November 10, 2024                    NetBSD 9.4