Cabling Diagrams

DB-9 to DB-25 (DTE), crossover DB-9 M   DB-9 M/F 3 TxD ---------- RxD 3 2 RxD ---------- TxD 2 7 RTS ---------- CTS 5 8 CTS ---------- RTS 4 4 DTR ---------- DSR 6 6 DSR ---------- DTR 20 5 Gnd ---------- Gnd 7