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Linksys DPC3008 Cable Modem Manual

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FAQs and Troubleshooting
Linksys DPC3008/EPC3008
The modem does not register an Ethernet connection
• Verify that your computer has an Ethernet card and that the Ethernet
driver software is properly installed. If you purchase and install an
Ethernet card, follow the installation instructions.
• Verify the status of the front panel status indicator lights.
The modem does not register an Ethernet connection after
connecting to a hub
If you are connecting multiple computers to the modem, you should
first connect the modem to the uplink port of the hub using the correct
crossover cable. The LINK LED of the hub will illuminate continuously.
The modem does not register a cable connection
• The modem works with a standard, 75-ohm RF coaxial cable. If you
are using a different cable, your modem will not function properly.
Contact your service provider to determine whether you are using the
correct cable.
Tips for improved performance
Check and correct
If your modem does not perform as expected, the following tips may help. If
you need more help, contact your service provider.
• Verify that the plug to your modem’s AC power is properly inserted into
an electrical outlet.
• Verify that your modem’s AC power cord is not plugged into an electrical
outlet that is controlled by a wall switch. If a wall switch controls the
electrical outlet, make sure the switch is turned on.
• Verify that the modem’s ONLINE LED status indicator is on.
• Verify that your cable service is active and that it supports two-way
service.
• Verify that all cables are properly connected and that you are using the
correct cables.
• If you are using the Ethernet connection, verify that your TCP/IP is
properly installed and configured.
• Verify that you have called your service provider and given them the
serial number and MAC address of your modem.
• If you are using a cable signal splitter so that you can connect the modem
to other devices, remove the splitter and reconnect the cables so that
the modem is connected directly to the cable input. If the modem now
functions properly, the cable signal splitter may be defective and may
need to be replaced.
• If you are connected to your computer with an Ethernet connection,
your computer should be equipped with a Gigabit Ethernet card for best
performance.
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