75232 - ਥ/ନ஢⥫ RS-232 Ŀ +12v 1 Ĵ 20 +5v 1in 2 Ĵ > 19 -1out 2in 3 Ĵ > 18 -2out 3in 4 Ĵ > 17 -3out -4out 5 Ĵ < 16 4in -5out 6 Ĵ < 15 5in 6in 7 Ĵ > 14 -6out -7out 8 Ĵ < 13 7in 8in 9 Ĵ > 12 -8out -12v 10 Ĵ 11 gnd