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C-2
Cisco MDS 9100 Series Hardware Installation Guide
OL-16187-01
Appendix C Cable and Port Specifications
Console Port
Console Port
The console port is an asynchronous RS-232 serial port with an RJ-45 connector. You can use the
RJ-45 to RJ-45 rollover cable and the RJ-45 to DB-9 female adapter or the RJ-45 to DB-25 female DTE
adapter (depending on your computer serial port) to connect the console port to a computer running
terminal emulation software.
Console Port Pinouts
Table C-1 lists the pinouts for the console port on the Cisco MDS 9100 Series.
Connecting the Console Port to a Computer Using the DB-25 Adapter
You can use the RJ-45 to RJ-45 rollover cable and RJ-45 to DB-25 female DTE adapter (labeled
“Terminal”) to connect the console port to a computer running terminal emulation software. Table C-2
lists the pinouts for the console port, the RJ-45 to RJ-45 rollover cable, and the RJ-45 to DB-25 female
DTE adapter.
Table C-1 Console Port Pinouts
Pin Signal
1
1
1. Pin 1 is connected internally to pin 8.
RTS
2DTR
3TxD
4GND
5GND
6RxD
7DSR
8CTS
Table C-2 Port Mode Signaling and Pinouts with 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 8 5 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