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B-6

Catalyst 2975 Switch Hardware Installation Guide

OL-17784-01

Appendix B Connector and Cable Specifications

Cables and Adapters

Console Port Adapter Pinouts

The console port uses an 8-pin RJ-45 connector. The supplied RJ-45-to-DB-9 adapter cable is used to

connect the console port of the switch to a console PC. You need to provide a RJ-45-to-DB-25 female

DTE adapter if you want to connect the switch console port to a terminal. You can order a kit (part

number ACS-DSBUASYN=) containing that adapter from Cisco.

Tabl e B-2 Console Port Signaling with 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

RxD 3 TxD

DSR 4 DTR

CTS 7 RTS

Tabl e B-3 Console Port Signaling with 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

RxD 2 TxD

DSR 20 DTR

CTS 4 RTS

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Cisco 2975 Manual do Utilizador Página 52