Cisco Console Port

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

RJ45 FEMALE CONNECTOR (At the Cisco switch)
RJ45 FEMALE CONNECTOR (At the cables)

RJ45 FEMALE CONNECTOR at the Cisco routers.
RJ45 MALE CONNECTOR at the cables.

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