B-15
Catalyst 2950 Desktop Switch Hardware Installation Guide
78-11157-05
Appendix B Connectors and Cables
Cable and Adapter Specifications
Adapter Pinouts
Table B-3 lists the pinouts for the console port, the RJ-45-to-DB-9 adapter cable,
and the console device.
Table B-4 lists the pinouts for the console port, RJ-45-to-DB-25 female DTE
adapter, and the console device.
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-3 Console Port Signaling and RJ-45-to-DB-9 Adapter Cabling
Console
Port (DTE)
RJ-45-to-DB-9
Adapter Cable
Console
Device
Signal RJ-45 Pin DB-9 Pin Signal
RTS 1 8 CTS
Not connected 2 6 DSR
TxD 3 2 RxD
GND 4 5 GND
GND 5 5 GND
RxD 6 3 TxD
Not connected 7 4 DTR
CTS 8 7 RTS
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