1.\" $OpenBSD: ucom.4,v 1.33 2019/06/07 16:06:59 jcs 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 7 2019 $ 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 ukspan?" # Keyspan 46.Cd "ucom* at umcs?" # MosChip Semiconductor multiport 47.Cd "ucom* at umct?" # MCT 48.Cd "ucom* at umodem?" # Standardized umodem 49.Cd "ucom* at umsm?" # Qualcomm MSM 50.Cd "ucom* at uplcom?" # Prolific PL-2303 51.Cd "ucom* at uscom?" # simple USB serial adapters 52.Cd "ucom* at uslcom?" # Silicon Laboratories CP2101/CP2102 53.Cd "ucom* at uslhcom?" # Silicon Laboratories CP2110 54.Cd "ucom* at uticom?" # Texas Instruments TUSB3410 55.Cd "ucom* at uvisor?" # Handspring Visor 56.Cd "ucom* at uvscom?" # SUNTAC Slipper U VS-10U 57.Cd "ucom* at uxrcom?" # Exar XR21V1410 58.Sh DESCRIPTION 59The 60.Nm 61driver attaches to USB modems, serial ports, and other devices that need 62to look like a tty. 63The 64.Nm 65driver behaves like a 66.Xr tty 4 : 67this means that normal programs such as 68.Xr cu 1 69or 70.Xr pppd 8 71can be used to access the device. 72.Pp 73The 74.Va portno 75locator can be used to decide which port to use for devices that have 76multiple external ports. 77.Sh FILES 78.Bl -tag -width "/dev/ttyU?XX" -compact 79.It Pa /dev/ttyU? 80tty devices 81.It Pa /dev/cuaU? 82call out devices (see 83.Xr tty 4 ) 84.El 85.Sh SEE ALSO 86.Xr intro 4 , 87.Xr tty 4 , 88.Xr usb 4 89.Sh HISTORY 90The 91.Nm 92driver appeared in 93.Nx 1.5 . 94.Ox 95support was added in 96.Ox 2.7 . 97