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| Linklights, as the name suggests, means that you have a link to the network. If you are purchasing a new network card for a PC make certain that card has link lights. Some cheaper cards don't include this timesaver. Go for a card that has a linklight - it will save you tons of time. |
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| On the back of the network card there's a simple light that represents different types of network activity: green is good; flashing amber - network activity; red means collisions or failure; no light means no power or link. |
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| Most hubs have link lights there as well. When troubleshooting with a user you can check the hub linklight for the user's cable to see if the link is missing. If the link is missing you can confirm the secure connection at the hub and then check at the users' NIC. Chances are, one end of the other is not connected. |
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| If you have purchased a NIC that does not have a linklight you can always use the hub to see if a connection is present. Most hubs have a linklight for activity on that represented jack, even if a network card does not. |
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