Cisco Catalyst 3550 Hardware Installation Manual page 68

Cable and Adapter Specifications
Adapter Pinouts
Catalyst 3550 Multilayer Switch Hardware Installation Guide
B-6
Table B-1 lists the pinouts for the console port, the RJ-45-to-RJ-45 rollover cable,
and the RJ-45-to-DB-9 female DTE adapter.
Table B-1 Console Port Signaling and Cabling Using a DB-9 Adapter
Switch
Console RJ-45-to-RJ-45
Port (DTE) Rollover Cable
Signal RJ-45 Pin
RTS 1
DTR 2
TxD 3
GND 4
GND 5
RxD 6
DSR 7
CTS 8
Appendix B Connector and Cable Specifications
RJ-45-to-DB-9
Terminal Adapter
RJ-45 Pin DB-9 Pin
8 8
7 6
6 2
5 5
4 5
3 3
2 4
1 7
Console
Device
Signal
CTS
DSR
RxD
GND
GND
TxD
DTR
RTS
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