"...this is NOT an actual RS232 port..." Correct "...it is a software emulated RS232 (serial) port..." Incorrect. It's just TTL. You'll need to use somethi

"...this is NOT an actual RS232 port..." Correct "...it is a software emulated RS232 (serial) port..." Incorrect. It's just TTL. You'll need to use something like a MAX232 to convert to RS232.