Cisco Catalyst Express 520 - Page 14

Appendix A Reference
Cable and Adapter Specifications
A-14
User Guide for the Catalyst Express 520 Switches
OL-12761-02
Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports
Figure A-10 and Figure A-11 show the schematics of four twisted-pair cables for
the 1000BASE-T SFP module ports on the switch.
Figure A-10 Four Twisted-Pair Straight-Through Cable Schematic for
1000BASE-T Ports
Figure A-11 Four Twisted-Pair Crossover Cable Schematics for 1000BASE-T
Ports
1 TP0+
2 TP0-
3 TP1+
6 TP1-
1 TP0+
2 TP0-
3 TP1+
6 TP1-
Switch Router or PC
4 TP2+
5 TP2-
7TP3+
8 TP3-
4 TP2+
5 TP2-
7TP3+
8 TP3-
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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-
7TP3+
8 TP3-
4 TP2+
5 TP2-
7TP3+
8 TP3-
65274