Cisco WS-C3750G-24TS-E1U Hardware Installation Guide - Page 130
Console Port, Cable and Adapter Specifications, Two Twisted-Pair Cable Pinouts
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Cable and Adapter Specifications Appendix B Connector and Cable Specifications Console Port The console port uses an 8-pin RJ-45 connector, which is described in Table B-1 and Table B-2. 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. For console port and adapter pinout information, see Table B-1 and Table B-2. Cable and Adapter Specifications These sections describe the cables and adapters used with Catalyst 3750 switches. Two Twisted-Pair Cable Pinouts Figure B-5 and Figure B-6 show the schematics of two twisted-pair cables for 10/100 ports. Figure B-5 Two Twisted-Pair Straight-Through Cable Schematic Switch 3 TD+ 6 TD- Switch 3 RD+ 6 RD- 1 RD+ 2 RD- 1 TD+ 2 TD- H5578 Figure B-6 Two Twisted-Pair Crossover Cable Schematic Switch 3 TD+ 6 TD- Switch 3 TD+ 6 TD- 1 RD+ 2 RD- 1 RD+ 2 RD- H5579 Catalyst 3750 Switch Hardware Installation Guide B-6 78-15136-02