79 lines
2.9 KiB
Groff
79 lines
2.9 KiB
Groff
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.\" $NetBSD: umodem.4,v 1.6 2001/09/11 23:18:55 wiz Exp $
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.\" $FreeBSD$
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.\"
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.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Lennart Augustsson.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgment:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd August 16, 1999
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.Dt UMODEM 4
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.Os
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.Sh NAME
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.Nm umodem
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.Nd USB modem support
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.Sh SYNOPSIS
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.Cd "umodem* at uhub?"
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.Cd "ucom* at umodem?"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for USB modems in the Communication
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Device Class using the Abstract Control Model.
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These modems are basically standard serial line modems, but they are
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accessed via USB instead. They support a regular AT command set.
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The commands can either be multiplexed with the data stream
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or handled through separate pipes. In the latter case the AT
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commands have to be given on device separate from the data device.
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.Pp
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The device is accessed through the
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.Xr ucom 4
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driver which makes it behave like a
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.Xr tty 4 .
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.Sh SEE ALSO
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.Xr tty 4 ,
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.Xr ucom 4 ,
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.Xr usb 4
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.Sh HISTORY
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The
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.Nm
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driver
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appeared in
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.Nx 1.5 .
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This manual page was adopted from
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.Nx
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by Tom Rhodes <trhodes@FreeBSD.org>
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in April 2002.
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.Sh BUGS
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Only modems with multiplexed commands and data are supported
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at the moment.
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