B-11
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-03
Appendix B Connector and Cable Specifications
Cable and Adapter Specifications
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.
RxD
3
TxD
DSR
4
DTR
CTS
7
RTS
Table B-2
Console Port Signaling Using a DB-9 Adapter (continued)
Switch
Console
Port (DTE)
RJ-45-to-DB-9
Terminal Adapter
Console
Device
Signal
DB-9 Pin
Signal
Table B-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