Cisco 3030 User Manual download pdf (Page 61)

B-5

Cisco Catalyst Blade Switch 3030 Hardware Installation Guide

OL-8389-01

Appendix B Connector and Cable Specifications

Cable and Adapter Specifications

Figure B-7 Four Twisted-Pair Crossover Cable Schematics for 10/100/1000 Ports

Crossover Cable and Adapter Pinouts

This section describes how to identify a crossover cable and also describes the adapter pinouts.

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 the same color as the wire connected to the pin on the outside of the right plug. (See Figure B-8.)

Figure B-8 Identifying a Crossover Cable

1 TPO+

2 TPO-

3 TP1+

6 TP1-

1TP0+

Switch Switch

2TP0-

3TP1+

6TP1-

4 TP2+

5 TP2-

7 TP3+

8 TP3-

4TP2+

5TP2-

7TP3+

8TP3-

65274

Pin 1

H10632

Pin 8

Pin 1 on one connector and

pin 8 on the other connector

should be the same color.

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 71 72

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Cisco 3030 User Manual Page 61