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Free Serial Port Monitor, RS232 Com Software Sniffer

It is recommended by dozens of serial device manufacturers.

RS232 to TCP/IP converter access equipment connected to remote serial port

VSPD XP 5.1 emulates RS232 serial ports connected via virtual null-modem cable.

Connect applications in Windows CE and exchange data via virtual serial ports.

Create virtual serial ports directly from your applications under Windows CE!

Create and manage virtual serial ports from .NET and Visual Basic (ActiveX)

Replace serial (RS232, RS485) cables with ethernet network, using UDP

Share a real serial port between multiple applications.

Create virtual serial port and fully control it from your application.