<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML ><HEAD ><TITLE >Connection via Serial Cable</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Linux Infrared HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Specific Connections and IrDA - Protocols" HREF="infrared-howto-c-specific-connections.html"><LINK REL="PREVIOUS" TITLE="Connection to Keyboard" HREF="infrared-howto-s-keyboard-connection.html"><LINK REL="NEXT" TITLE="Null Modem Cable Connection" HREF="infrared-howto-s-null-modem.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" >Linux Infrared HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="infrared-howto-s-keyboard-connection.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 3. Specific Connections and IrDA - Protocols</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="infrared-howto-s-null-modem.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="sect1" ><H1 CLASS="sect1" ><A NAME="infrared-howto-s-serial-cable-connection" ></A >3.17. Connection via Serial Cable</H1 ><P > For some reasons it may be useful to connect via serial cable instead of using a real infrared link. Bjorn Hanson wrote: "Using a cable, I managed to get a PPP connection through my Ericsson SH888. I did the following (maybe some steps are wrong but they worked for me :-) </P ><P > <P ></P ><UL ><LI ><P > added <B CLASS="command" >alias tty-ldisc-11 irtty</B > to <TT CLASS="filename" >/etc/conf.modules</TT > </P ></LI ><LI ><P > edited /etc/irda/drivers to irattach /dev/ttyS0 </P ></LI ><LI ><P > manually inserted the irda and irtty modules using modprobe </P ></LI ><LI ><P > start irattach </P ></LI ><LI ><P > run kppp using /dev/ircomm0 (through symlink /dev/modem) </P ></LI ><LI ><P > executed <B CLASS="command" >stty < /dev/ircomm0</B > </P ></LI ><LI ><P > ping the host </P ></LI ><LI ><P > <B CLASS="command" >ifconfig irda0 down</B > </P ></LI ></UL > </P ><P > Everything worked fine for ping and ssh (doing ls -l a couple of times) but the computer hang when I tried to mail (Netscape) this through that PPP. After reboot I tried both Netscape and lynx. Both were able to establish contact but none got any data." </P ><P > Another way by Claudiu Costin: </P ><P > <P ></P ><UL ><LI ><P > Linux 2.2.5 with IrDA compiled as modules </P ></LI ><LI ><P > Because irattach don't make kernel to load automatically IrDA stack, let's type <B CLASS="command" >modprobe actisys</B > . </P ></LI ><LI ><P > Now, irattach /dev/ttyS1 -d actisys where COM2 is used for null link </P ></LI ><LI ><P > ping <address> works very good! </P ></LI ></UL > </P ><P > This has to be done for both machines. </P ><P > Please note this is not the recommended way to connect two machines. Use PPP instead. Though I cannot see how this approach is useful I have included it beause it was asked sometimes in the mailing list. </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="infrared-howto-s-keyboard-connection.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="infrared-howto-s-null-modem.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Connection to Keyboard</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="infrared-howto-c-specific-connections.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Null Modem Cable Connection</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
