Cisco IE 1000 Hardware Installation Manual page 43

Cable and Connectors
Cables and Adapters
Figure 5 Two Twisted-Pair Crossover Cable Schematic for 10/100 Ports
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Figure 6 Identifying a Crossover Cable
Pin 1
Pin 2
Switch
3 TD+
6 TD–
1 RD+
2 RD–
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Pin 3
Pin 6