null modem

Virtual Null Modem

To emulate null-modem connection Virtual Null Modem can be effectively used. The program emulates one or more couples of RS-232 serial ports connected via virtual null-modem cable. It is possible to create the unlimited couples of VSP on a single PC without additional hardware and connect them in any sequence using virtual null-modem cable. Usually you need to use virtual null-modem when you have two applications to be connected via serial ports....
AGG Software :: null modem :: virtual null modem :: virtual driver :: virtual serial port :: virtual port :: virtual RS232 :: Virtual Null Modem

Serial Splitter

Serial Splitter is an advanced Win32 application, based on Windows NT kernel drivers technology. It allows you to share real serial port between several applications so way, that all application will receive same data from real serial port simultaneously. It is achieved by creating virtual serial ports, which are same copies as real one. Every application will think that it is working with serial port in exclusive mode....
ELTIMA Software GmbH :: serial splitter :: serial split :: virtual serial port :: virtual com port :: virtual serial driver :: null-modem communication :: null modem connection software :: vi :: Serial Splitter