Serial Port Monitor is a professional and powerful system utility for RS232/422/485 COM ports monitoring. The program monitors, displays, logs and analyzes all serial port activity in a system. This is an ideal way to track down problems that may occur during application or driver development, testing and optimization of serial devices, etc. Serial Port Monitor also offers advanced filtering and search, professional built-in terminal and data exporting options, user-friendly and flexible interface among its key advantages. It is a completely software solution, you don't need any additional hardware to use it.