Four Twisted-Pair Cable Pinouts For 1000Base-T Ports - Cisco Catalyst 2955 Hardware Installation Manual

Cable and Adapter Specifications

Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports

Catalyst 2955 Hardware Installation Guide
B-8
Figure B-10 and Figure B-11
10/100/1000 ports on Catalyst 2955T-12 switches and 1000BASE-T ports.
Figure B-10 Four Twisted-Pair Straight-Through Cable Schematic for
10/100/1000 and 1000BASE-T Ports
Switch
1 TPO+
2 TPO-
3 TP1+
6 TP1-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
Figure B-11 Four Twisted-Pair Crossover Cable Schematics for 10/100/1000
and 1000BASE-T Ports
Switch
1 TPO+
2 TPO-
3 TP1+
6 TP1-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
show the schematics of four twisted-pair cables for
Router or PC
1 TP1+
2 TP1-
3 TPO+
6 TPO-
4 TP3+
5 TP3-
7 TP2+
8 TP2-
Switch
1 TP0+
2 TP0-
3 TP1+
6 TP1-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
Appendix B Connectors and Cables
78-14944-03