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Port Assignments B-1

Appendix B: Port Assignments

Figure B.1 RJ-45 Connector (on the Hub Side)

Table B.1 RJ-45 Pin Assignments

Schematics for both straight and crossover twisted-pair cable are shown

below.

RJ-45 Port

Pin MDI-X Assignment

(Port 1-8)

MDI Assignment

(Cascade Port 8)

1 Receive Data + Transmit Data +

2 Receive data - Transmit Data -

3 Transmit Data + Receive Data +

6 Transmit Data - Receive data -

4,5,7,8 Not Used Not Used

Straight-Through Crossover

1 IRD+

2 IRD-

3 OTD+

6 OTD-

1 OTD+

2 OTD-

3 IRD+

6 IRD-

1 IRD+

2 IRD-

3 OTD+

6 OTD-

1 OTD+

2 OTD-

3 IRD+

6 IRD-

(Hub)

(Adapter) (Hub)

(Hub)

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HP 100Base-T Guía de usuario Pagina 33