Connecting To A Terminal - Cisco WS-C2950-12 Hardware Installation Manual

Appendix B Connectors and Cables

Connecting to a Terminal

Note
78-11157-03
Use the supplied RJ-45-to-DB-9 adapter cable and an RJ-45-to-DB-25 female
DTE adapter to connect the console port to a terminal.
connect the console port to a terminal.
port, the adapter cable, and the RJ-45-to-DB-25 adapter.
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.
Figure B-13 Connecting the Console Port to a Terminal
Catalyst 2950 series switch
Table B-3 Console Port Signaling and Cabling Using a DB-25 Adapter
Console RJ-45-to-DB-9
Port (DTE) Adapter Cable
Signal RJ-45 Pin
RTS 1
Not 2
connected
TxD 3
GND 4
GND 5
RxD 6
Not 7
connected
CTS 8
Catalyst 2950 Desktop Switch Hardware Installation Guide
Cable and Adapter Specifications
Table B-3 lists the pinouts for the console
RJ-45-to-DB-9
adapter cable
RJ-45-to-DB-25
Terminal Adapter
DB-9 Pin DB-25 Pin
8 5
6 6
2 3
5 7
5 7
3 2
4 20
7 4
Figure B-13 shows how to
Terminal
Console
Device
Signal
CTS
DSR
RxD
GND
GND
TxD
DTR
RTS
B-11