Straight-through vs. crossover cables, Straight-through utp cable (for 100base-tx), Crossover utp cable (for 100base-tx) – Intel 460T User Manual

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Intel Express 460T Standalone Switch Users Guide

Straight-through vs. Crossover Cables

Switch ports are wired for MDI-X. Use a straight-through cable to connect
to a workstation or server (network adapter cards are wired MDI). To
connect to another MDI-X port, use a crossover cable. Following are the pin
arrangements for the switch’s Ethernet port and the typical RJ-45 connector.

Straight-through UTP cable (for 100Base-TX)

Switch (MDI-X)

Adapter (MDI)

4 Not used 4 Not used
5 Not used 5 Not used

7 Not used 7 Not used
8 Not used 8 Not used

1 (RX+) 1 (TX+)
2 (RX-) 2 (TX-)

3 (TX+) 3 (RX+)
6 (TX-) 6 (RX-)

Crossover UTP cable (for 100Base-TX)

Switch (MDI-X)

Hub (MDI-X)

10/100

4 Not used 4 Not used
5 Not used 5 Not used

7 Not used 7 Not used
8 Not used 8 Not used

1 (RX+) 1 (RX+)
2 (RX-) 2 (RX-)

3 (TX+) 3 (TX+)
6 (TX-) 6 (TX-)

1

8

Clip

Pin 8

Pin 1

Ethernet
Port

RJ-45
Connector

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