How to simulate connection via IEC 101 driver without any hardware and if just one COM port will be provided by the host

To be able to simulate a connection via COM port you can download and install com0com software (= Null-modem emulator), which creates pairs of virtual COM ports.

The output to one port is the input from other port and vice versa.

Afterwards hyper terminal can be used for both new virtual COM ports to check functionality above.

Now, two WCCOA IEC drivers can be used to simulate connection, one driver defined as master.<o:p></o:p>

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