Cisco WS-C3560E-48PD-SF Hardware Installation Guide - Page 98

Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports, Identifying a Crossover Cable

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Cable and Adapter Specifications Appendix B Connector and Cable Specifications 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 1000BASE-T SFP module ports on Catalyst 3560 switches. Figure B-8 Switch 1 TP0+ 2 TP03 TP1+ 6 TP1- Four Twisted-Pair Straight-Through Cable Schematic for 1000BASE-T Ports Router or PC 1 TP0+ 2 TP03 TP1+ 6 TP1- 4 TP2+ 5 TP27 TP3+ 8 TP3- Figure B-9 65271 4 TP2+ 5 TP27 TP3+ 8 TP3- Four Twisted-Pair Crossover Cable Schematics for 1000BASE-T Ports Identifying a Crossover Cable To identify a crossover cable, compare the two modular ends of the cable. Hold the cable ends side-by-side, with the tab at the back. The wire connected to the pin on the outside of the left plug should be a different color from the wire connected to the pin on the inside of the right plug. (See Figure B-10.) Catalyst 3560 Switch Hardware Installation Guide B-6 OL-6337-07

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B-6
Catalyst 3560 Switch Hardware Installation Guide
OL-6337-07
Appendix B
Connector and Cable Specifications
Cable and Adapter Specifications
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 1000BASE-T SFP
module ports on Catalyst 3560 switches.
Figure B-8
Four Twisted-Pair Straight-Through Cable Schematic for 1000BASE-T Ports
Figure B-9
Four Twisted-Pair Crossover Cable Schematics for 1000BASE-T Ports
Identifying a Crossover Cable
To identify a crossover cable, compare the two modular ends of the cable. Hold the cable ends
side-by-side, with the tab at the back. The wire connected to the pin on the outside of the left plug should
be a different color from the wire connected to the pin on the inside of the right plug. (See
Figure B-10
.)
1
TP0+
2
TP0-
3
TP1+
6
TP1-
1
TP0+
2
TP0-
3
TP1+
6
TP1-
Switch
Router or PC
4
TP2+
5
TP2-
7
TP3+
8
TP3-
4
TP2+
5
TP2-
7
TP3+
8
TP3-
65271