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B-7
Catalyst 2955 Hardware Installation Guide
78-14944-03
Appendix B Connectors and Cables
Cable and Adapter Specifications
Figure B-8 Four Twisted-Pair Straight-Through Cable Schematic for
10/100 Ports
Figure B-9 Four Twisted-Pair Crossover Cable Schematic for 10/100 Ports
1 RD+
2 RD-
3 TD+
6 TD-
1 TD+
Switch Router or PC
2 TD-
3 RD+
6 RD-
4NC
5NC
7NC
8NC
4NC
5NC
7NC
8NC
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1 RD+
2 RD-
3 TD+
6 TD-
1 RD+
Switch Switch
2 RD-
3 TD+
6 TD-
4NC
5NC
7NC
8NC
4NC
5NC
7NC
8NC
65273