Configuring A Terminal For Attachment To The Console Port - Cisco Catalyst 2810 Series Manual

Cisco - Connecting a Terminal to the Console Port on Catalyst Switches
number is CAB-S3-CONSOLE=.
Note: The auxiliary (AUX) port is not supported.
Figure: EIA/TIA-232 RJ-45 Adapter Cable Connector
Table E-1: Supervisor Engine III Console Port Pinouts RJ45-to-DB25 Adaptor Cable
RJ45 on Switch Console
(DTE) (Uses straight through
cable.)
1 RTS (looped to pin 8)
2 DTR
3 RxD
4 GND
5 GND tied to 4
6 TxD
7 DSR
8 CTS (looped to pin 1)
Table E-2: Supervisor Engine III Console Port Pinouts RJ45-to-DB9 Adaptor Cable
RJ45 on Switch Console (DTE)
(Uses straight through cable.)
1 RTS (looped to pin 8)
2 DTR
3 RxD
4 GND
5 GND tied to 4
6 TxD
7 DSR
8 CTS (looped to pin 1)

Configuring a Terminal for Attachment to the Console Port

Note: The console port is an asynchronous (Async) serial port; any device connected to this port must be
capable of asynchronous transmission.
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DB25 on Terminal (DTE)
6 DSR
2 TxD
7 GND
7 GND
3 RxD
20 DTR
DB9 on Terminal (DTE)
6 DSR
3 TxD
5 GND
5 GND
2 RxD
4 DTR