Accton Technology SwitcHub-2s Manual de instalación descargar pdf (Pagina 37)

B-1

Appendix B:

Port and Cable Assignments

RJ-45 Port

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

MDI-X Assignment

Station Port 1 ~ 2

MDI Assignment

Cascade Port 1 ~ 2

1 Input Receive Data + Output Transmit Data +

2 Input Receive Data - Output Transmit Data -

3 Output Transmit Data + Input Receive Data +

6 Output Transmit Data - Input Receive Data -

4,5,7,8 Not Used Not Used

Table B-1 RJ-45 Pin Assignments

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

Straight-Through Crossover

(Hub) (Adapter) (Hub) (Hub)

1 IRD+ 1 OTD+ 1 IRD+ 1 IRD+

2 IRD- 2 OTD- 2 IRD- 2 IRD-

3 OTD+ 3 IRD+ 3 OTD+ 3 OTD+

6 OTD- 6 IRD- 6 OTD- 6 OTD-

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 54 55

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Accton Technology SwitcHub-2s Manual de instalación Pagina 37