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
276 DSR
TxD 3 6 3 RxD
GND 4 5 7 GND
GND 5 4 7 GND
RxD 6 3 2 TxD
Not
connected
7220 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
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