Cisco Catalyst 3550

B-9
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-03
Appendix B Connector and Cable Specifications
Cable and Adapter Specifications
Figure B-11 Four Twisted-Pair Straight-Through Cable Schematic for
10/100/1000 Ports
Figure B-12 Four Twisted-Pair Crossover Cable Schematics for 10/100/1000
Ports
Rollover Cable and Adapter Pinouts
This section describes how to identify a rollover cable and also describes the
adapter pinouts.
1 TPO+
2 TPO-
3 TP1+
6 TP1-
1 TP1+
Switch Switch
2 TP1-
3 TPO+
6 TPO-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
4 TP3+
5 TP3-
7 TP2+
8 TP2-
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1 TPO+
2 TPO-
3 TP1+
6 TP1-
1 TP0+
Switch Switch
2 TP0-
3 TP1+
6 TP1-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
65274