Serial connection ON when (S1)>(S2)
Serial connection ON when (S1)<(S2)
Serial connection ON when (S1)≠(S2)
Serial connection ON when (S1)≥(S2)
Serial connection ON when (S1)≤(S2)
Parallel connection ON when (S1)=(S2)
Parallel connection ON when (S1)>(S2)
Parallel connection ON when (S1)<(S2)
Parallel connection ON when (S1)≠(S2)
Parallel connection ON when (S1)≥(S2)
Parallel connection ON when (S1)≤(S2)
Multi-point repeat transmission
Exchange the high byte and low byte