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Author Topic: I can't activate the com port  (Read 3862 times)

jmnatale

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I can't activate the com port
« on: June 08, 2021, 08:42:36 pm »
Good afternoon, someone could help me, I can't make me give an alarm stop the port com. I made the circuit as shown in the image, but when there is silence the com port is not activated


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Jan

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Re: I can't activate the com port
« Reply #1 on: June 08, 2021, 08:50:52 pm »
Is it a true RS-232 port or USB to RS-232 adapter? In the second case, you may not be successful (depending on the model).
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jmnatale

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Re: I can't activate the com port
« Reply #2 on: June 08, 2021, 09:19:07 pm »
Is port RS-232
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