And 10/100 /1000 Ports - Cisco Catalyst 3750 Hardware Installation Manual

Connector Specifications

10/100 and 10/100 /1000 Ports

Catalyst 3750 Switch Hardware Installation Guide
B-2
The 10/100 and 10/100/1000 Ethernet ports on Catalyst 3750 switches use
standard RJ-45 connectors and Ethernet pinouts with internal crossovers.
Figure B-2 and Figure B-1
Figure B-1 10/100 Port Pinouts
Pin Label
1 RD+
2 RD-
3 TD+
4 NC
5 NC
6 TD-
7 NC
8 NC
Figure B-2 10/100/1000 Port Pinouts
Pin Label
1 TP0+
2 TP0-
3 TP1+
4 TP2+
5 TP2-
6 TP1-
7 TP3+
8 TP3-
Appendix B
show the pinouts.
Connector and Cable Specifications
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1 2 3 4 5 6 7 8
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