Appendix B Connector and Cable Specifications
Cable and Adapter Specifications
B-10
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-03
Identifying a Rollover Cable
To identify a rollover cable, compare the two modular ends of the cable. Hold the
cable ends side-by-side, with the tab at the back. The wire connected to the pin on
the outside of the left plug should be the same color as the wire connected to the
pin on the outside of the right plug. (See
Figure B-13 Identifying a Rollover Cable
Adapter Pinouts
lists the pinouts for the console port, the RJ-45-to-DB-9 adapter cable,
and the console device.
Pin 1
H10632
Pin 8
Pin 1 on one connector and
pin 8 on the other connector
should be the same color.
Table B-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