From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
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I dloaded the loopback vi from ni.com and tried shorting the pin 2 and 3 of RS232 but i don't receive anything back. I am pretty sure I am using the right COM port.