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UBSA(4) Device Drivers Manual UBSA(4)

ubsa
Belkin USB serial adapter

ubsa* at uhub?
ucom* at ubsa?

The ubsa driver provides support for the USB-to-RS232 Bridge chip used by a variety of serial adapters from Belkin and other vendors.
Some 3G (UMTS/GPRS/GSM) cardbus(4) devices use a Belkin serial adapter and an ohci(4) controller to provide a common AT interface.
The device is accessed through the ucom(4) driver which makes it behave like a tty(4).

The ubsa driver supports the following adapters:
Axesstel MV100H
 
Belkin F5U103
 
Belkin F5U120
 
e-Tek Labs Kwik232
 
GoHubs GoCOM232
 
Peracom single port serial adapter
 
Qualcomm, Inc. ZTE AC8700
 
Qualcomm, Inc. ZTE CDMA Technologies MSM
 

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

The ubsa driver first appeared in FreeBSD 5.0 and was ported to OpenBSD 3.3.
February 24, 2009 OpenBSD-current