Cisco 3750G-12S Hardware Installation Guide - Page 117
Crossover Cable and Adapter Pinouts, Switch Console, Port DTE, RJ-45-to-DB-9, Terminal Adapter
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Appendix B Connector and Cable Specifications Cable and Adapter Specifications Figure B-13 Switch 1 TP0+ 2 TP03 TP1+ 6 TP1- Four Twisted-Pair Crossover Cable Schematics for 10/100/1000 and 1000BASE-T SFP Module Ports Switch 1 TP0+ 2 TP03 TP1+ 6 TP1- 4 TP2+ 5 TP27 TP3+ 8 TP3- 4 TP2+ 5 TP27 TP3+ 8 TP3- 65274 Crossover Cable and Adapter Pinouts This section describes the adapter pinouts. Table B-4 lists the pinouts for the console port, the RJ-45-to-DB-9 adapter cable, and the console device. Table B-4 Console Port Signaling Using a DB-9 Adapter Switch Console Port (DTE) Signal RTS DTR TxD GND GND RxD DSR CTS RJ-45-to-DB-9 Terminal Adapter DB-9 Pin 8 6 2 5 5 3 4 7 Console Device Signal CTS DSR RxD GND GND TxD DTR RTS Table B-5 lists the pinouts for the console port, RJ-45-to-DB-25 female DTE adapter, and the console device. 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=) containing this adapter from Cisco. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide B-9