OS: Windows XP, Windows 2003, Windows 2000
PortMon 2000 Diagnostic Utility
PortMon is an application that lets you monitor serial and parallel activity on your local system, or any computer on the network that you can reach via TCP/IP. It is the most powerful tool available for tracking down port-related configuration problems and analyzing application port usage.
SerialTest Diagnostic Utility
SerialTest is a 32 bit Windows NT and Windows 9x compatible program for testing serial ports. This program is compatible with any Windows NT/9x serial ports including the standard ports in your system (COM1 and COM2).
Drivers support: NP001-01, NP001-02, NP001-03, NP001-04