An additional note:
RS232 logic "1" is a negative voltage, logic "0" is positive.?
TTL logic "1" is a positive voltage and logic "0" is 0 (or a very
low positive voltage)---NORMALLY
Milt W8NUE
On 11/7/2021 9:03 PM, richlim11 via
groups.io wrote:
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Milt, you are correct I did search and Elecraft uses RS232 levels
and the QCX mini needs TTL levels. Thanks.
John you may want to check your cable, you may damage your QCX
mini if it is indeed at RS232 levels.
Rich KQ9L