PIN-OUTS FOR STANDARD DTE OCTOPUS CABLE FOR ALL PC/X, CLASSICBOARD, XI, XE, and XR 4 and 8 port cards (AMP part number for 78 pin connector 0139-0078) DB78 NAME DB25 DB78 NAME DB25 Pin Port/Pin Pin Port/Pin ---- ---- ---- ---- ---- ---- 1 DTR8 8-20 40 TxD5 5-2 2 TxD6 6-2 41 RTS6 6-4 3 DTR6 6-20 42 DSR6 6-6 4 CTS6 6-5 43 DCD5 5-8 5 DSR5 5-6 44 RI5 5-22 6 DCD8 8-8 45 CTS8 8-5 7 RI8 8-22 46 RxD7 7-3 8 RxD6 6-3 47 RI7 7-22 9 CTS7 7-5 48 DCD7 7-8 10 TxD4 4-2 49 DTR1 1-20 11 TxD3 3-2 50 TxD2 2-2 12 RTS3 3-4 51 RTS1 1-4 13 DTR3 3-20 52 DTR4 4-20 14 RTS4 4-4 53 CTS2 2-5 15 RI2 2-22 54 DSR1 1-6 16 CTS1 1-5 55 RxD1 1-3 17 RxD2 2-3 56 RxD4 4-3 18 DCD4 4-8 57 CTS4 4-5 19 RI4 4-22 58 DSR3 3-6 20 RI3 3-22 59 CTS3 3-5 21 RTS5 5-4 60 RTS8 8-4 22 DTR5 5-20 61 DTR7 7-20 23 DCD6 6-8 62 RTS7 7-4 24 RI6 6-22 63 TxD7 7-2 25 CTS5 5-5 64 TxD8 8-2 26 DSR8 8-6 65 ---- 27 RxD8 8-3 66 ---- 28 RxD5 5-3 67 ---- 29 DSR7 7-6 68 SGND1 1-7 30 TxD1 1-2 69 SGND2 2-7 31 RTS2 2-4 70 SGND3 3-7 32 DTR2 2-20 71 SGND4 4-7 33 DCD2 2-8 72 SGND5 5-7 34 DSR2 2-6 73 SGND6 6-7 35 DCD1 1-8 74 SGND7 7-7 36 RI1 1-22 75 SGND8 8-7 37 RxD3 3-3 76 ---- 38 DSR4 4-6 77 ---- 39 DCD3 3-8 78 ----