Table b-3 – Cisco 3550 User Manual
Page 64
B-6
Catalyst 3550 Multilayer Switch Hardware Installation Guide
OL-6155-01
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. 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 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