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I have plugged in a RS-232 cable to my PC to do a C# program to read from the port. If i open the ‘HHD Free Serial Port Monitor’ and try to monitor the Serial Ports, it does not show any activity for that port. If i run ‘Terminal.exe’, and point to that port, it shows me data flowing in.
Is there some difference between Terminal port and Serial port ? Why this difference ? Can i use the .NET SerialPort class to open this port ?
Thanks,
Chak.
I think the Terminal.exe program raises the RTS/CTS pin in the connector, signaling that it has opened the port to the outside data source. (Or maybe your serial port monitor program is not working.)
To answer your other more general questions: An RS-232 port is a “Serial Port”. A “Terminal” is what was historically plugged into a serial port, so another common name for it was, indeed, “Terminal port”.