Cisco Systems DPC3008CC Tips for improved performance, Modem does not register a cable connection

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..

FAQs and Troubleshooting

•• 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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