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Cisco MDS 9148S Multilayer Switch Hardware Installation Guide
OL-20185-01
Chapter 1 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
lists the pinouts for the console port on the Cisco MDS 9148S Switch.
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.
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 1-1
Console Port Pinouts
Pin
Signal
1
1
1.
Pin 1 is connected internally to pin 8.
RTS
2
DTR
3
TxD
4
GND
5
GND
6
RxD
7
DSR
8
CTS
Table 1-2
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