freebsd-nq/share/man/man4/umodem.4

.\" $NetBSD: umodem.4,v 1.6 2001/09/11 23:18:55 wiz Exp $
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.Dd August 19, 2004
.Dt UMODEM 4
.Os
.Sh NAME
.Nm umodem
.Nd USB modem support
.Sh SYNOPSIS
.Cd "device umodem"
.Cd "device ucom"
.Sh DESCRIPTION
The
.Nm
driver provides support for USB modems in the Communication
Device Class using the Abstract Control Model.
These modems are basically standard serial line modems, but they are
accessed via USB instead.
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 a device separate from the data device.
.Pp
The device is accessed through the
.Xr ucom 4
driver which makes it behave like a
.Xr tty 4 .
.Sh HARDWARE
Devices supported by the
.Nm
driver include:
.Pp
.Bl -bullet -compact
.It
3Com 5605
.It
Metricom Ricochet GS USB wireless modem
.It
Yamaha Broadband Wireless Router RTW65b
.El
.Sh SEE ALSO
.Xr tty 4 ,
.Xr ucom 4 ,
.Xr usb 4
.Sh HISTORY
The
.Nm
driver
appeared in
.Nx 1.5 .
This manual page was adopted from
.Nx
by
.An Tom Rhodes Aq trhodes@FreeBSD.org
in April 2002.
.Sh BUGS
Only modems with multiplexed commands and data are supported
at the moment.