1.\" $OpenBSD: ucom.4,v 1.31 2015/09/23 08:53:16 sobrado 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: September 23 2015 $ 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?" # MosChip Semiconductor MCS7703 39.Cd "ucom* at uark?" # Arkmicro Technologies 40.Cd "ucom* at ubsa?" # Belkin 41.Cd "ucom* at uchcom?" # WinChipHead CH341/340 42.Cd "ucom* at ucycom?" # Cypress 43.Cd "ucom* at uftdi?" # FTDI 44.Cd "ucom* at uipaq?" # iPAQ 45.Cd "ucom* at umcs?" # MosChip Semiconductor multiport 46.Cd "ucom* at umct?" # MCT 47.Cd "ucom* at umodem?" # Standardized umodem 48.Cd "ucom* at umsm?" # Qualcomm MSM 49.Cd "ucom* at uplcom?" # Prolific PL-2303 50.Cd "ucom* at uscom?" # simple USB serial adapters 51.Cd "ucom* at uslcom?" # Silicon Laboratories CP2101/CP2102 52.Cd "ucom* at uslhcom?" # Silicon Laboratories CP2110 53.Cd "ucom* at uticom?" # Texas Instruments TUSB3410 54.Cd "ucom* at uvisor?" # Handspring Visor 55.Cd "ucom* at uvscom?" # SUNTAC Slipper U VS-10U 56.Sh DESCRIPTION 57The 58.Nm 59driver attaches to USB modems, serial ports, and other devices that need 60to look like a tty. 61The 62.Nm 63driver behaves like a 64.Xr tty 4 : 65this means that normal programs such as 66.Xr cu 1 67or 68.Xr pppd 8 69can be used to access the device. 70.Pp 71The 72.Va portno 73locator can be used to decide which port to use for devices that have 74multiple external ports. 75.Sh FILES 76.Bl -tag -width "/dev/ttyU?XX" -compact 77.It Pa /dev/ttyU? 78tty devices 79.It Pa /dev/cuaU? 80call out devices (see 81.Xr tty 4 ) 82.El 83.Sh SEE ALSO 84.Xr intro 4 , 85.Xr tty 4 , 86.Xr usb 4 87.Sh HISTORY 88The 89.Nm 90driver appeared in 91.Nx 1.5 . 92.Ox 93support was added in 94.Ox 2.7 . 95