umodem - USB modem support
umodem* at uhub? port ? configuration ?
ucom* at umodem?
The umodem driver provides support for USB modems in the
Device Class using the Abstract Control Model. These modems
standard serial line modems, but they are accessed via
They support a regular AT command set. The commands can either be multiplexed
with the data stream or handled through separate
pipes. In the
latter case the AT commands have to be given on device separate from the
The device is accessed through the ucom(4) driver which
makes it behave
like a tty(4).
tty(4), ucom(4), uhub(4), usb(4)
The umodem driver appeared in NetBSD 1.5. OpenBSD support
was added in
Only modems with multiplexed commands and data are supported
at the moment.
OpenBSD 3.6 August 16, 1999
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