Installation guide

B-5
Catalyst 3750 Switch Hardware Installation Guide
OL-6336-01
Appendix B Connector and Cable Specifications
Cable and Adapter Specifications
Cable and Adapter Specifications
These sections describe the cables and adapters used with Catalyst 3750 switches.
Two Twisted-Pair Cable Pinouts
Figure B-6 and Figure B-7 show the schematics of two twisted-pair cables for
10/100 ports.
Figure B-6 Two Twisted-Pair Straight-Through Cable Schematic
Figure B-7 Two Twisted-Pair Crossover Cable Schematic
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Router or PC
3 RD+
6 RD–
1 TD+
2 TD–
H5578
Switch
3 TD+
6 TD–
1 RD+
2 RD–
Switch
3 TD+
6 TD–
1 RD+
2 RD–
H5579