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Appendix B Connectors and Cables
Connector Specifications
B-2
Catalyst 2955 Hardware Installation Guide
78-14944-03
10/100 and 10/100 /1000 Ports
The 10/100 and 10/100/1000 Ethernet ports on Catalyst 2955 switches use
standard RJ-45 connectors and Ethernet pinouts with internal crossovers.
Figure B-1 and Figure B-2 show the pinouts.
Figure B-1 10/100 Port Pinouts
Figure B-2 10/100/1000 Port Pinouts
H5318
231 45678Pin Label
1
2
3
4
5
6
7
8
RD+
RD-
TD+
NC
NC
TD-
NC
NC
60915
231 45678Pin Label
1
2
3
4
5
6
7
8
TP0+
TP0-
TP1+
TP2+
TP2-
TP1-
TP3+
TP3-