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Ed Verhamme

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  • 2017-08-10 at 9:15 AM in reply to: Mayfly RS232 Compatability (TTL to RS232 adapter?) #2326
    Ed Verhamme
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      According to the photos of your CR1000 you were using COM4. The only true RS232 port on the CR1000 is the DB-9 RS232 port.. all of the C1 to C8 I/O are TTL voltages. So you might not need any voltage converters…. Have you tried it without them?

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