Pinouts P17 -- Xi P3 -- Xe 5 SIN8 14 CTS8 9 DSR8 16 DCD8 50 RI8 2 SOUT8 10 RTS8 6 DTR8 35 SIN5 21 CTS5 39 DSR5 17 DCD5 56 RI5 31 SOUT5 25 RTS5 29 DTR5 72 SIN2 71 CTS2 68 DSR2 69 DCD2 60 RI2 78 SOUT2 75 RTS2 79 DTR2 7 SIN7 8 CTS7 11 DSR7 12 DCD7 52 RI7 3 SOUT7 4 RTS7 1 DTR7 61 SIN4 43 CTS4 65 DSR4 41 DCD4 64 RI4 55 SOUT4 47 RTS4 51 DTR4 70 SIN1 77 CTS1 66 DSR1 73 DCD1 58 RI1 74 SOUT1 80 RTS1 76 DTR1 33 SIN6 15 CTS6 37 DSR6 13 DCD6 54 RI6 27 SOUT6 19 RTS6 23 DTR6 63 SIN3 49 CTS3 67 DSR3 45 DCD3 62 RI3 59 SOUT3 53 RTS3 57 DTR3