<HTML ><HEAD ><TITLE >Serial Port Names</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="Linux PPP HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Configuring your modem and serial port" HREF="modem.html"><LINK REL="PREVIOUS" TITLE="A note about serial ports and speed capabilities" HREF="x745.html"><LINK REL="NEXT" TITLE="Configuring your modem" HREF="x761.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" ><A HREF="http://www.linuxports.com/howto/ppp" TARGET="_top" >Linux PPP HOWTO</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x745.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 12. Configuring your modem and serial port</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="x761.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="AEN753">12.2. Serial Port Names</H1 ><P >Historically, Linux used <TT CLASS="LITERAL" >cuaX</TT > devices for dial-out and <TT CLASS="LITERAL" >ttySx</TT > devices for dial-in.</P ><P >The kernel code that required this was changed in kernel version 2.0.x and you should now use <TT CLASS="LITERAL" >ttySx</TT > for both dial in and dial out. I understand that the <TT CLASS="LITERAL" >cuaX</TT > device names may well disappear in future kernel versions.</P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="x745.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="x761.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >A note about serial ports and speed capabilities</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="modem.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Configuring your modem</TD ></TR ></TABLE ></DIV ></BODY ></HTML >