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CHAPTER 1
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