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>3.17. Connection via Serial Cable</H1
><P
>&#13; 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
>&#13;
<P
></P
><UL
><LI
><P
>&#13; added <B
CLASS="command"
>alias tty-ldisc-11 irtty</B
> to
<TT
CLASS="filename"
>/etc/conf.modules</TT
>
</P
></LI
><LI
><P
>&#13; edited /etc/irda/drivers to irattach /dev/ttyS0
</P
></LI
><LI
><P
>&#13; manually inserted the irda and irtty modules using modprobe
</P
></LI
><LI
><P
>&#13; start irattach
</P
></LI
><LI
><P
>&#13; run kppp using /dev/ircomm0 (through symlink /dev/modem)
</P
></LI
><LI
><P
>&#13; executed <B
CLASS="command"
>stty &#60; /dev/ircomm0</B
>
</P
></LI
><LI
><P
>&#13; ping the host
</P
></LI
><LI
><P
>&#13; <B
CLASS="command"
>ifconfig irda0 down</B
>
</P
></LI
></UL
>
</P
><P
>&#13; 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
>&#13; Another way by Claudiu Costin:
</P
><P
>&#13;
<P
></P
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><LI
><P
>&#13; Linux 2.2.5 with IrDA compiled as modules
</P
></LI
><LI
><P
>&#13; Because irattach don't make kernel to load automatically IrDA
stack, let's type <B
CLASS="command"
>modprobe actisys</B
> .
</P
></LI
><LI
><P
>&#13; Now, irattach /dev/ttyS1 -d actisys where COM2 is used for null
link
</P
></LI
><LI
><P
>&#13; ping &#60;address&#62; works very good!
</P
></LI
></UL
>
</P
><P
>&#13; This has to be done for both machines.
</P
><P
>&#13; 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.
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