Hi Joachim,

It's hard to be slave, but worst to behave like stupid master.
I apologize for bad advices.
I'm confident you will find these links self explanatory for your needs.
There you will find confirmation for your previous post (the one before my stupid advice).
Once again, I apologize.

http://www.taltech.com/TALtech_w...ro-sc.html
http://www.rad.com/networks/1995/rs232/rs232.htm
http://www.camiresearch.com/Data_Com_...ndard.html

Regards,
Silviu