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A-8
Catalyst 2960 Switch Hardware Installation Guide
OL-7075-05
Appendix A Connector and Cable Specifications
Cable and Adapter Specifications
Adapter Pinouts
Table A-2 lists the pinouts for the console port, the RJ-45-to-DB-9 adapter cable, and the console device.
Table A-3 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=) containing this adapter from Cisco.
Table A-2 Console Port Signaling Using a DB-9 Adapter
Switch
Console
Port (DTE)
RJ-45-to-DB-9
Terminal Adapter
Console
Device
Signal DB-9 Pin Signal
RTS 8 CTS
DTR 6 DSR
TxD 2 RxD
GND 5 GND
GND 5 GND
RxD 3 TxD
DSR 4 DTR
CTS 7 RTS
Table A-3 Console Port Signaling Using a DB-25 Adapter
Switch
Console
Port (DTE)
RJ-45-to-DB-25
Terminal Adapter
Console
Device
Signal DB-25 Pin Signal
RTS 5 CTS
DTR 6 DSR
TxD 3 RxD
GND 7 GND
GND 7 GND
RxD 2 TxD
DSR 20 DTR
CTS 4 RTS