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IntelliStation E Pro User Guide Professional ... - FTP Directory Listing

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The following figure illustrates the wiring in crossover cables.<br />

RJ-45 Modular Connector<br />

Twisted<br />

Pair<br />

1<br />

1<br />

2<br />

2<br />

3, 4<br />

Signal<br />

Name<br />

TD+<br />

TD<br />

RD+<br />

RD<br />

(Not used)<br />

Pin<br />

1<br />

2<br />

3<br />

6<br />

4, 5, 7, 8<br />

10BASE-T / 100BASE-TX<br />

Relative to the device connected to the adapter<br />

RJ-45 Modular Connector<br />

Pin<br />

1<br />

2<br />

3<br />

6<br />

4, 5, 7, 8<br />

Signal<br />

Name<br />

TD+<br />

TD<br />

RD+<br />

RD<br />

(Not used)<br />

Note: For additional information about Ethernet protocols, refer to your Ethernet<br />

documentation.<br />

Diagnostic LEDs<br />

Green: Indicates the adapter is connected to a hub or switch and is receiving link<br />

pulses. If the green LED is not on, check all connections at the adapter and the hub.<br />

Make sure the hub is transmitting at the correct speed and the drivers are loaded.<br />

Also, make sure you have the correct wiring configuration for the adapter to the<br />

hub connection. Some hubs require a crossover cable rather than a straight-through<br />

cable.<br />

Note that this LED will be on when running the diagnostics loopback test without a<br />

cable attached to the adapter.<br />

Yellow: Indicates 100 Mbps when on, and 10 Mbps when off.<br />

Note that the yellow LED may stay on if link is broken during activity.<br />

146 Using Your <strong>IntelliStation</strong> E <strong>Pro</strong>

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