B-11
Catalyst 2950 Desktop Switch Hardware Installation Guide
78-11157-02
Appendix B Connectors and Cables
Cable and Adapter Specifications
Figure B-14 Connecting the Console Port to a Terminal
Table B-3
Console Port Signaling and Cabling Using a DB-25 Adapter
Console
Port (DTE)
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
Not
connected
2
7
6
DSR
TxD
3
6
3
RxD
GND
4
5
7
GND
GND
5
4
7
GND
RxD
6
3
2
TxD
Not
connected
7
2
20
DTR
CTS
8
1
4
RTS
Terminal
44974
RJ-45-to-RJ-45
rollover cable
RJ-45-to-DB-25 adapter
(labeled TERMINAL)
Catalyst 2950 series switch