Cisco Systems CGS252016S8PC manual Figure B-6

Appendix B Connector and Cable Specifications

Cables and Adapters

Figure B-6

Switch

3TD+ 6 TD–

1RD+ 2 RD–

Figure B-7

Switch

1 TP0+

2 TP0-

3 TP1+

6 TP1-

4 TP2+

5 TP2-

7 TP3+

8 TP3-

Figure B-8

Switch

1 TP0+

2 TP0-

3 TP1+

6 TP1-

4 TP2+

5 TP2-

7 TP3+

8 TP3-

Two Twisted-Pair Crossover Cable Schematic for 10/100 Ports

Switch

3TD+

6TD–

1 RD+	H5579
2 RD–

Four Twisted-Pair Straight-Through Cable Schematic for 1000BASE-T Ports

Router or PC
1	TP0+
2	TP0-
3	TP1+
6	TP1-
4	TP2+
5	TP2-
7	TP3+	65271
8	TP3-

Four Twisted-Pair Crossover Cable Schematics for 1000BASE-T Ports

	Switch
1	TP0+
2	TP0-
3	TP1+
6	TP1-
4	TP2+
5	TP2-
7	TP3+	65274
8	TP3-

To identify a crossover cable, hold the cable ends side-by-side, with the tab at the back. The wire connected to pin 1 on the left end should be the same color as the wire connected to pin 3 on the right end. The wire connected to pin 2 on the left end should be the same color as the wire connected to pin 6 on the right end.

Cisco CGS 2520 Hardware Installation Guide

78-19377-02 B-7