ActiveComport Serial Port Toolkit 2.0
Serial Port Toolkit to communicate wih a modem or other serial port device
Can be used by ASP, ASP.NET, Visual Basic, Visual Basic .NET, Visual C++, Visual C# .NET or VBScript. Samples for all platforms and development tools are provided. ActiveComport can control any device that has a serial interface (com port): a printer, a modem, an ISDN modem, a USB serial device, a network device, a computer, a weight indicator, a scanner, etc., and can be used on Windows 98, Windows NT, Windows 2000, Windows XP and Windows .NET platforms.
Visit http://www.activexperts.com/activcomport to view online samples.