In many use cases, the user wants to get SerialSniffer „in-between“ the existing serial link of an external device and a user application in order to visualize the data stream or manipulate it for testing purpose.
SerialSniffer comes with the possibility to connect to two serial ports. Let’s say, that the left port (“Comport A”) of SerialSniffer will be connected in any case to the external device using a physical port.
Without the virtual serial port, the user is forced to use a null modem connection to connect the right port (“Comport B”) of SerialSniffer with the user application. This means, that two more physical comports and the cables becomes mandatory. Also only a few of the actual PC and notebooks has the possibility to use three comports in total.
By using the virtual serial port, the two additional physical ports became obsolete. SerialSniffer adds a new comport to the operating system, which can be directly used by the user application.
The license for using VirtualSerialPortis not included in the main license of SerialSniffer.
In order to use the VirtualSerialPort, you have to obtain an additional license for the module B.
Without the additional license, the module can be used in restricted mode for evaluation.
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Three physical serial ports and a null modem cable are needed without a virtual port.
Upon using the VirtualSerialPort, only the original physical serial port is necessary. The additional effort and costs do not apply.
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