Cisco 2500 Series Installation And Configuration Manual page 67

Cabling
Table C-1: Console Port Signaling and Cabling Using a DB-9 Adapter
Console Port RJ-45-to-RJ-45 Roll-Over Cable RJ-45-to-DB-9 Terminal
(DTE)
Signal RJ-45 Pin
1
RTS
1
DTR 2
TxD 3
GND 4
GND 5
RxD 6
DSR 7
CTS 81
1
Pin 1 is connected internally to Pin 8.
Use the thin, flat, RJ-45-to-RJ-45 roll-over cable and RJ-45-to-DB-25 female DTE adapter (labeled
"TERMINAL") to connect the console port to a terminal.
port to a terminal. Table C-2
RJ-45-to-RJ-45 roll-over cable, and the RJ-45-to-DB-25 female DTE adapter (labeled "TERMINAL").
Figure C-3: Connecting the Console Port to a Terminal
Table C-2: Console Port Signaling and Cabling Using a DB-25 Adapter
Console Port
1
(DTE)
Signal RJ-45 Pin
RTS 2
1
DTR 2
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/cis2500/2520/2520_23/c2520cab.htm (3 of 17) [10/27/2000 3:08:09 PM]
RJ-45 Pin
8
7
6
5
4
3
2
1
lists the pinouts for the asynchronous serial console port, the
RJ-45-to-RJ-45 Roll-Over
Cable
RJ-45 Pin
8
7
Adapter
DB-9 Pin
8
6
2
5
5
3
4
7
Figure C-3 shows how to connect the console
RJ-45-to-DB-25 Terminal
Adapter
DB-25 Pin
5
6
Console Device
Signal
CTS
DSR
RxD
GND
GND
TxD
DTR
RTS
Console Device
Signal
CTS
DSR