ComSpy

ComSpy is a valuable tool for troubleshooting RS-232 communication between two devices. It allows you to set up a 'pass-through' connection between them using two serial ports on your PC. You can watch and log the traffic between the devices.
Price USD 10.95
License Free to try
File Size 3.7 MB
Version 1.1
Operating System Windows, Windows 98, Windows Me, Windows XP
System Requirements Windows 98/Me/XP, two RS-232 Serial Ports