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How to Test COM Ports and Short Haul Modems
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How to Test COM Ports and Short Haul Modems
MicroRidge Free ComTestSerial Communications Test Program
How to check RS-232 communication.
![A comprehensive guide on how to test COM port [Tutorial]](https://www.serial-port-monitor.org/images/upload/products/spm/articles/sniffer/main-large.jpg "A comprehensive guide on how to test COM port [Tutorial]")