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. Figure B-14 shows how to
connect the console port to a terminal. Table B-3 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
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