Cisco 2500 Series

Table C-1: Console Port Signaling and Cabling Using a DB-9 Adapter
Console Port
(DTE)
RJ-45-to-RJ-45 Roll-Over Cable RJ-45-to-DB-9 Terminal
Adapter
Console Device
Signal RJ-45 Pin RJ-45 Pin DB-9 Pin Signal
RTS
1
1
8 8 CTS
DTR 2 7 6 DSR
TxD 3 6 2 RxD
GND 4 5 5 GND
GND 5 4 5 GND
RxD 6 3 3 TxD
DSR 7 2 4 DTR
CTS 81 1 7 RTS
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. Figure C-3 shows how to connect the console
port to a terminal. Table C-2 lists the pinouts for the asynchronous serial console port, the
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
(DTE)
1
RJ-45-to-RJ-45 Roll-Over
Cable
RJ-45-to-DB-25 Terminal
Adapter
Console Device
Signal RJ-45 Pin RJ-45 Pin DB-25 Pin Signal
RTS
1
2
8 5 CTS
DTR 2 7 6 DSR
Cabling
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