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UVSCOM(4) Device Drivers Manual UVSCOM(4)


uvscomUSB support for SUNTAC Slipper U VS-10U serial adapters driver


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

device usb
device ucom
device uvscom

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



The uvscom driver supports the following adapters:

  • DDI Pocket Air H" C@rd
  • DDI Pocket Air H" C@rd 64
  • NTT P-in
  • NTT P-in m@ster


The uvscom driver provides support for the SUNTAC Slipper U VS-10U chip. Slipper U is a PC Card to USB converter for data communication card adapters.

The device is accessed through the ucom(4) driver which makes it behave like a tty(4).


for callin ports
corresponding callin initial-state and lock-state devices

for callout ports
corresponding callout initial-state and lock-state devices


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


The uvscom driver first appeared in FreeBSD and later in NetBSD 1.6. This manual page was adopted from NetBSD by Tom Rhodes <> in April 2002.

April 26, 2017 Debian