Appendix B Connectors and Cables
Cable and Adapter Specifications
B-10
Catalyst 2950 Desktop Switch Hardware Installation Guide
78-11157-02
Figure B-13 Connecting the Console Port to a PC
Connecting to a Terminal
Use the supplied RJ-45-to-RJ-45 rollover cable and an RJ-45-to-DB-25 female
DTE adapter to connect the console port to a terminal.
shows how to
connect the console port to a terminal.
lists the pinouts for the console
port, the rollover cable, and the RJ-45-to-DB-25 adapter.
Note
The RJ-45-to-DB-25 female DTE adapter is not supplied with the switch. You
can order a kit (part number ACS-DSBUASYN=) with that adapter from
Cisco.
Table B-2
Console Port Signaling and Cabling Using a DB-9 Adapter
Console
Port (DTE)
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
8
8
CTS
Not connected 2
7
6
DSR
TxD
3
6
2
RxD
GND
4
5
5
GND
GND
5
4
5
GND
RxD
6
3
3
TxD
Not connected 7
2
4
DTR
CTS
8
1
7
RTS
PC
44976
RJ-45-to-RJ-45
rollover cable
RJ-45-to-DB-9 adapter
(labeled TERMINAL)
Catalyst 2950 series switch
