1.\" $OpenBSD: ucom.4,v 1.25 2008/06/26 05:42:07 ray Exp $ 2.\" $NetBSD: ucom.4,v 1.3 2000/04/14 14:55:18 augustss Exp $ 3.\" 4.\" Copyright (c) 1999 The NetBSD Foundation, Inc. 5.\" All rights reserved. 6.\" 7.\" This code is derived from software contributed to The NetBSD Foundation 8.\" by Lennart Augustsson. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29.\" POSSIBILITY OF SUCH DAMAGE. 30.\" 31.Dd $Mdocdate: June 26 2008 $ 32.Dt UCOM 4 33.Os 34.Sh NAME 35.Nm ucom 36.Nd USB tty support 37.Sh SYNOPSIS 38.Cd "ucom* at moscom?" 39.Cd "ucom* at uark?" 40.Cd "ucom* at ubsa?" 41.Cd "ucom* at uchcom?" 42.Cd "ucom* at ucycom?" 43.Cd "ucom* at uftdi?" 44.Cd "ucom* at uipaq?" 45.Cd "ucom* at umct?" 46.Cd "ucom* at umodem?" 47.Cd "ucom* at umsm?" 48.Cd "ucom* at uplcom?" 49.Cd "ucom* at uslcom?" 50.Cd "ucom* at uticom?" 51.Cd "ucom* at uvisor?" 52.Cd "ucom* at uvscom?" 53.Sh DESCRIPTION 54The 55.Nm 56driver attaches to USB modems, serial ports, and other devices that need 57to look like a tty. 58The 59.Nm 60driver behaves like a 61.Xr tty 4 : 62this means that normal programs such as 63.Xr tip 1 64or 65.Xr pppd 8 66can be used to access the device. 67.Pp 68The 69.Va portno 70locator can be used to decide which port to use for devices that have 71multiple external ports. 72.Sh FILES 73.Bl -tag -width "/dev/ttyU?XX" -compact 74.It Pa /dev/ttyU? 75tty devices 76.It Pa /dev/cuaU? 77call out devices (see 78.Xr tty 4 ) 79.El 80.Sh SEE ALSO 81.Xr intro 4 , 82.Xr tty 4 , 83.Xr usb 4 84.Sh HISTORY 85The 86.Nm 87driver appeared in 88.Nx 1.5 . 89.Ox 90support was added in 91.Ox 2.7 . 92