Cisco Console port (at Catalyst 5000 Series Switch)

pinout

The Cisco Consule port is used on the Cisco Catalyst 5000 Series Switch Supervisor Engine III

8 pin RJ45 female connector  at the Cisco routers

Console Port Console device Pin +Signal Connect to 1 looped to 8   2 (DTR) DSR 3 (RxD) TxD 4 (GND) GND 5 (GND) GND 6 (TxD) RxD 7 (DSR) DTR 8 looped to 1

8 pin RJ45 male connector  at the cable

Source:www.pinouts.ru