Cable and adapter pinouts, Connecting to a pc, Connecting to a terminal – Cisco 2940 User Manual
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B-8
Catalyst 2940 Switch Hardware Installation Guide
OL-6157-01
Appendix B Connectors and Cables
Cable and Adapter Specifications
Cable and Adapter Pinouts
This section describes the cable and adapter pinouts and also describes how to identify a rollover cable.
Connecting to a PC
Use the supplied RJ-45-to-DB-9 adapter cable to connect the console port to a PC running
terminal-emulation software.
lists the pinouts for the console port and the RJ-45-to-DB-9
adapter cable.
Connecting to a Terminal
Use the supplied RJ-45-to-DB-9 adapter cable and an RJ-45-to-DB-25 female DTE adapter to connect
the console port to a terminal.
lists the pinouts for the console port, the adapter cable, and the
RJ-45-to-DB-25 adapter.
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=) with that adapter from Cisco.
Table B-2
Console Port Signaling and RJ-45-to-DB-9 Adapter Cabling
Console
Port (DTE)
RJ-45-to-DB-9
Adapter Cable
Console
Device
Signal
RJ-45 Pin
DB-9 Pin
Signal
RTS
1
8
CTS
Not connected 2
6
DSR
TxD
3
2
RxD
GND
4
5
GND
GND
5
5
GND
RxD
6
3
TxD
Not connected 7
4
DTR
CTS
8
7
RTS