Virtual Null Modem 2.5.3.927
Virtual Null Modem - Null-modem cable is basically used for communication of two RS-232 DTE devices with each other. To
create null-modem connection between the devices you need to use two computers or two serial ports
of a single computer connected with null-modem cable. The both methods described above are expensive
and difficult because of many reasons. The most reliable way to create null-modem connection is
using of virtual serial ports emulated by virtual serial port driver and null-modem cable. Why do
you need to emulate serial ports and null-modem connection? There are few main reasons to do it.
Firstly, you don't need to have two computers connected with real null-modem cable. Secondly,
there
s no need in a single PC with several free serial ports and additional multi
serial port devices which are expensive and bulky. 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 virtual
serial ports on a single PC 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.
In contrast to ordinary connection you do not need any additional hardware (computers, physical
serial ports, cables) to perform it. Virtual null-modem allows user emulate virtual null modem
connection and run the two applications simultaneously on the same computer. Moreover, it is
possible to emulate real-world situations by adding some errors to the data exchange which may occur
during the physical null-modem connection. Owing to its features set Virtual Null Modem can
sufficiently ease the work of software developers and testers occupied in the field of industrial
automation. Furthermore, the program may also be useful in the reverse engineering as well as in
educational needs. So go ahead and download FREE trial version now!
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