Terminal and Printer Cable Configuration RJ45 to DB25 DB25 to DB25 Digi Printer Digi Printer RJ45 8-wire DB-25 DB25 DB25 1 DCD* ---- 4 RTS 4 RTS ---- 5 CTS 2 RTS ---- 5 CTS Shell GND ---- Shell GND 3 GND ---- Shell GND 2 TxD ---- 3 RxD 4 TxD ---- 3 RxD 3 RxD ---- 2 TxD 5 RxD ---- 2 TxD 7 SG ---- 7 SG 6 SG ---- 7 SG 5 CTS ---- 20 DTR** 7 CTS ---- 20 DTR** 20 DTR ---- 8 DCD & 6 DSR 8 DTR ---- 8 DCD & 6 DSR 8 DCD* & 6 DSR ---- 4 RTS *Altpin must be turned on *Altpin must be turned off **Okidata Printers may use **Okidata Printers may use SSD (pin 11) instead SSD (pin 11) instead Modem Cable Configuration RJ45-8 wire to DB25 DB25 to DB25 Digi Modem Digi Modem RJ45 8-wire DB25 DB25 DB25 1 DCD* ---- 8 DCD 8 DCD ---- 8 DCD 2 RTS ---- 4 RTS 4 RTS ---- 4 RTS 3 GND ---- Shell GND Shell GND ---- Shell GND 4 TxD ---- 2 TxD 2 TxD ---- 2 TxD 5 RxD ---- 3 RxD 3 RxD ---- 3 RxD 6 SG ---- 7 SG 7 SG ---- 7 SG 7 CTS ---- 5 CTS 5 CTS ---- 5 CTS 8 DTR ---- 20 DTR 20 DTR ---- 20 DTR 6 DSR ---- 6 DSR *Altpin must be turned on *Altpin must be turned off