Home › Forums › Mayfly Data Logger › Mayfly RS232 Compatability (TTL to RS232 adapter?) › Reply To: Mayfly RS232 Compatability (TTL to RS232 adapter?)
2017-08-10 at 9:15 AM
#2326
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 volt
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?