Cisco 3550 - Manual (Page 62)

B-4
Catalyst 3550 Multilayer Switch Hardware Installation Guide
OL-6155-01
Appendix B Connector and Cable Specifications
Cable and Adapter Specifications
Figure B-7 Four Twisted-Pair Crossover Cable Schematic for 10/100 Ports
Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports
Figure B-8 and Figure B-9 show the schematics of four twisted-pair cables for ports running
1000 Mbps traffic.
Figure B-8 Four Twisted-Pair Straight-Through Cable Schematic for 1000BASE-T Ports
Figure B-9 Four Twisted-Pair Crossover Cable Schematics for 10/100/1000 and 1000BASE-T GBIC
Module Ports
1 RD+
2 RD-
3 TD+
6 TD-
1 RD+
Switch Switch
2 RD-
3 TD+
6 TD-
4 NC
5 NC
7 NC
8 NC
4 NC
5 NC
7 NC
8 NC 65273
1 TPO+
2 TPO-
3 TP1+
6 TP1-
1 TP1+
Switch Router or PC
2 TP1-
3 TPO+
6 TPO-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
4 TP3+
5 TP3-
7 TP2+
8 TP2- 65272
1 TPO+
2 TPO-
3 TP1+
6 TP1-
1 TP0+
Switch Switch
2 TP0-
3 TP1+
6 TP1-
4 TP2+
5 TP2-
7 TP3+
8 TP3-
4 TP2+
5 TP2-
7 TP3+
8 TP3- 65274