Re: Serial port
On Tue, 03 May 2005 09:43:42 -0700, Fred wrote:
> After my question on the parallel port, I must ask you something about
> the serial port. Why I cannot see on my scope the data signal if I put
> my scope directly to the pins. To see it, I must connect the serial
> port on an other device and then, put the scope on the line.
>
You have to jumper DSR to DTR and RTS to CTS, otherwise the computer
thinks that what it's connected to isn't ready to receive.
Do a google search on "null modem".
Good Luck!
Rich
.
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