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B-7
Catalyst 2940 Switch Hardware Installation Guide
OL-6157-01
Appendix B Connectors and Cables
Cable and Adapter Specifications
Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports
Figure B-10 and Figure B-11 show the schematics of four twisted-pair cables for the 10/100/1000 port.
Figure B-10 Four Twisted-Pair Straight-Through Cable Schematic for 10/100/1000 and 1000BASE-T
GBIC Module Ports
Figure B-11 Four Twisted-Pair Crossover Cable Schematics for 10/100/1000 and 1000BASE-T GBIC
Module Ports
1 TPO+
2 TPO-
3TP1+
6TP1-
1 TP1+
Switch Router or PC
2 TP1-
3 TPO+
6 TPO-
4TP2+
5TP2-
7TP3+
8TP3-
4 TP3+
5 TP3-
7 TP2+
8 TP2-
65272
1 TPO+
2 TPO-
3TP1+
6TP1-
1TP0+
Switch Switch
2TP0-
3TP1+
6TP1-
4TP2+
5TP2-
7TP3+
8TP3-
4TP2+
5TP2-
7TP3+
8TP3-
65274