Frame settings:
N-8-1: No parity – 8 data bits – 1 stop bit;
E-8-1: Even parity – 8 data bits – 1 stop bit;
F3
O-8-1: Odd parity – 8 data bits – 1 stop bit;
N-8-2: No parity – 8 data bits – 2 stop bits;
E-8-2: Even parity – 8 data bits – 2 stop bits;
O-8-2: Odd parity – 8 data bits – 2 stop bits.
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