Cisco 6509 - Catalyst Chassis Switch - Console Port Mode 1 Signaling and Pinouts; DB-25 Adapter (for Connecting to a Terminal)

B-27
Catalyst 6500 Series Switches Installation Guide
OL-5781-04
Appendix B Transceivers, Module Connectors, and Cable Specifications
Cables
Console Port Mode 1 Signaling and Pinouts
This section provides the signaling and pinouts for the console port in mode 1. (The port mode switch is
in the in position.)
DB-9 Adapter (for Connecting to a PC)
Use the RJ-45-to-RJ-45 rollover cable and the RJ-45-to-DB-9 female DTE adapter (labeled “Terminal”)
to connect the console port to a PC running terminal emulation software. Table B-16 lists the pinouts for
the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-9 female
DTE adapter.
DB-25 Adapter (for Connecting to a Terminal)
Use the RJ-45-to-RJ-45 rollover cable and the RJ-45-to-DB-25 female DTE adapter (labeled
“Terminal”) to connect the console port to a terminal. Table B-17 lists the pinouts for the asynchronous
serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 female DTE adapter.
Table B-16 Port Mode 1 Signaling and Pinouts (DB-9 Adapter)
Console Port
RJ-45-to-RJ-45
Rollover Cable
RJ-45-to-DB-9
Terminal Adapter
Console
Device
Signal RJ-45 Pin RJ-45 Pin DB-9 Pin Signal
RTS 1
1
1. Pin 1 is connected internally to Pin 8.
88 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 8
1
17 RTS
Table B-17 Port Mode 1 Signaling and Pinouts (DB-25 Adapter)
Console Port RJ-45-to-RJ-45 Rollover Cable
RJ-45-to-DB-25
Terminal
Adapter
Console
Device
Signal RJ-45 Pin RJ-45 Pin DB-25 Pin Signal
RTS 1
1
85 CTS
DTR 2 7 6 DSR
TxD 3 6 3 RxD
GND 4 5 7 GND
GND 5 4 7 GND
RxD 6 3 2 TxD