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I have the following scenario: a laptop running Windows XP, connected to a meter through its serial port.

I need to read/write to this serial port from a remote computer (running windows 7). I also should be able to send some serial-port signals, such as a RTS.

Is there any software that gives me these capabilities?

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Out of curiosity, why not RDP to the laptop? –  Iszi May 10 '11 at 19:25
    
I've tried. It does not seems to make the serial port available. –  Fernando May 10 '11 at 19:33
    
I meant, why not RDP to the laptop and run whatever application you need on the laptop? It may be the long way around, but it should do the job for you. –  Iszi May 10 '11 at 19:42
    
I need to code a driver for the meter communication and I can't run my tools on the laptop. –  Fernando May 10 '11 at 19:47
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2 Answers

This should work: http://www.javiervalcarce.eu/wiki/Acceso_al_puerto_serie_desde_Internet

The page is in spanish but you can use Google Translate. Basically is a c# app (source & compiled)

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It won't send the RTS signal, just the data. I need to be able to remotely activate the RTS pin. –  Fernando May 11 '11 at 12:48
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use hterm

I know it is a german site, but you just need to click the download version. The program itself is english. Once you connected the right port you can set the RTS via a button in the lower half of the GUI. Works for me

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