B-9
Catalyst 2950 Desktop Switch Hardware Installation Guide
78-11157-05
Appendix B Connectors and Cables
Cable and Adapter Specifications
Figure B-9
Two Twisted-Pair Crossover Cable Schematic for 10/100 Ports
Four Twisted-Pair Cable Pinouts for 10/100 Ports
Figure B-10
and
Figure B-11
show the schematics of four twisted-pair cables for
10/100 ports.
Figure B-10 Four Twisted-Pair Straight-Through Cable Schematic for
10/100 Ports
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Switch
3 TD+
6 TD–
1 RD+
2 RD–
H5579
1 RD+
2 RD-
3 TD+
6 TD-
1 TD+
Switch
Switch
2 TD-
3 RD+
6 RD-
4 NC
5 NC
7 NC
8 NC
4 NC
5 NC
7 NC
8 NC
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