Cisco WS-C2950-24 - Basic IP Connectivity to the Switch; Switch Software Releases

Appendix B Connectors and Cables
Cable and Adapter Specifications
B-6
Catalyst 2950 Desktop Switch Hardware Installation Guide
78-11157-02
provide an RJ-45-to-DB-25 female DTE adapter. You can order a kit (part number
ACS-DSBUASYN=) with that adapter from Cisco. For console-port and
adapter-pinout information, see Table B-2 and Table B-3.
Cable and Adapter Specifications
These sections describe the cables and adapters used with Catalyst 2950 switches.
Two Twisted-Pair Cable Pinouts
Figure B-6 and Figure B-7 show the schematics of two twisted-pair cables for
10/100 ports.
Figure B-6 Two Twisted-Pair Straight-Through Cable Schematic for
10/100 Ports
Figure B-7 Two Twisted-Pair Crossover Cable Schematic for 10/100 Ports
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Switch
3 RD+
6 RD–
1 TD+
2 TD–
H5578
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Switch
3 TD+
6 TD–
1 RD+
2 RD–
H5579