Having Difficulty?
Having Difficulty?
If your cable modem gateway does not operate as expected, the following troubleshooting tips may help. If you need further assistance, contact your cable service provider.
My cable modem gateway does not register a cable connection.
•The cable modem gateway works with a standard,
•Verify that the plug to your cable modem gateway AC adapter is properly inserted into an electrical outlet.
•Verify that your cable modem gateway AC adapter 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 in the ON position.
•Verify that the Power and Cable indicators on the front panel of your cable modem are illuminated.
•Verify that all cables are properly connected.
•Verify that your cable service is active and that it supports
•Verify that you have called your cable service provider and given them the serial number and MAC address of your cable modem gateway.
•If you are using a cable signal splitter so that you can connect the cable modem gateway to other devices, remove the splitter and reconnect the cables so that the cable modem gateway is connected directly to the cable input. If the cable modem gateway now functions properly, the cable signal splitter may be defective and may need to be replaced.
There is no dial tone when I lift the telephone handset.
•You may be using the wrong phone cable to connect the HPNA port on the cable modem gateway to your wall telephone jack. Try a different phone cable.
•There may be a problem with your home telephone wiring. A professional may need to diagnose and repair a problem with your telephone wiring.
•There may be a problem with your telephone set. Use a different telephone set and listen to hear dial tone.
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