Computer Interfacing
Discussions about interfacing and electronics

RS232 sniffing?

how can i look at data sent to RS232?


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Author Message
New User

Joined: 02 Dec 2011
Posts: 1

Dec 02, 2011 10:30 am

i have an old software by from a company that control an IO card with RS232 interface and i want to write a new program of my own to control that.But i don't know what kind of signal used by card.So i used a soft called serial port monitor and i found some signal.The problem is i send the same signal and use same other configuration like baud rate,etc but the card isn't respond.I think the problem might be the timing.Is there anyway to find out?

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