Afer having some issues with serialport-0.6 working in my Win2K/Ruby 1.8.2 environment I installed Win32Serial. I have checked out the basic docs and worked with some sample code. What I am looking to do is use Win32Serial to sit on a serial port that's already in use and passively monitor it. I know that if a serial port is in use certain applications cannot access it. Has anyone already ventured in this area using the Win32Serial library? Just wondering if it is impractical to try to have it passively monitor an active connection...