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Reply To: Mayfly RS232 Compatability (TTL to RS232 adapter?)

Home Forums Mayfly Data Logger Mayfly RS232 Compatability (TTL to RS232 adapter?) Reply To: Mayfly RS232 Compatability (TTL to RS232 adapter?)

#2326
Ed Verhamme
Participant

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?