ELAD EXTIO-232
User Manual Rev 4 10/2019
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6
Then you need to identify the COM port number. Open the windows “Device Manager” and expand the
“Ports (COM &LPT)” node. The COM port is listed as :
“Communications Port” if using the computer RS232 port,
or “USB to serial Comm Port” if using an USB to RS232 converter.
In the picture above the COM port number is COM1.
