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Re: [LUG] RxTx on Ubuntu

 

On 3/26/07, Peter Lloyd-Jones <peter@xxxxxxxxxxxxxxxxxxxx> wrote:
> "Robin Has suggested I test the serial port"
>
> Thanks Robin
>
> I think a quick look up in the attic for a "steam" modem is in order.  If I
> can get it to make a noise the serial port is OK.

A good test

>
> Or.  What I used to do was short out two wires on the end of the cable
> connected to the serial port (1 and 2??) and then type "something" (cant
> remember what) at the consol.  If is echoed back it was working.
>

Wires 2 and 3 rx to Tx, creates a loop back

Make sure the terminal program you use dosn't have a software echo as
well! or you will think it is working when it is not.



-- 
Robin Cornelius
http://www.byteme.org.uk

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