ubser — USB support for BWCT console serial adapters

/dev/ttyU*.*       for callin ports
       /dev/ttyU*.*.init/dev/ttyU*.*.lock  corresponding callin initial-state and lock-state devices

       /dev/cuaU*.*       for callout ports
       /dev/cuaU*.*.init/dev/cuaU*.*.lock  corresponding callout initial-state and lock-state devices

       The ubser driver provides support for the BWCT console management serial adapters.

       The ubser driver appeared in FreeBSD 5.2.

Debian                                           April 26, 2017                                         UBSER(4)

       ubser — USB support for BWCT console serial adapters

tty(4), ucom(4), usb(4)

       To compile this driver into the kernel, place the following line in your kernel configuration file:

             deviceusbdeviceucomdeviceubser

       Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

             ubser_load="YES"