Appendix B
Cable and Connector Specifications
Figure B-3
Table B-4
Side 1 Pin (Signal)
1 (TP0+)
2 (TP0–)
3 (TP1+)
6 (TP1–)
4 (TP2+)
5 (TP2–)
7 (TP3+)
8 (TP3–)
78-15725-02
Twisted-Pair Crossover 10/100BASE-T Cable Schematic
Switch
1 RD+
2 RD-
3 TD+
6 TD-
4 NC
5 NC
7 NC
8 NC
1000BASE-T Crossover Cable Pinout (MDI-X)
Side 2 Pin (Signal)
3 (TP1+)
6 (TP1–)
1 (TP0+)
2 (TP1–)
7 (TP3+)
8 (TP3–)
4 (TP2+)
5 (TP2–)
Catalyst 6500 Series Switch Module Installation Guide
Switch
1 RD+
2 RD-
3 TD+
6 TD-
4 NC
5 NC
7 NC
8 NC
RJ-45 Connector
B-7