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Cisco DPC3939B Manual

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Chapter 6 Troubleshooting the Wireless Gateway
56 TP-00100
Tips for Improved Performance
If your Wireless Gateway does not perform as expected, the following tips may help.
If you need further assistance, contact your service provider.
Verify that the plug to your Wireless Gateway AC power is properly inserted
into an electrical outlet.
Verify that your Wireless Gateway 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 in the ON position.
Verify that the ONLINE LED status indicator on the front panel of your Wireless
Gateway is illuminated.
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 Wireless Gateway.
If you are using a cable signal splitter so that you can connect the Wireless
Gateway to other devices, remove the splitter and reconnect the cables so that the
Wireless Gateway is connected directly to the cable input. If the Wireless
Gateway now functions properly, the cable signal splitter may be defective and
may need to be replaced.
If you are connected to your PC with an Ethernet connection, your PC should be
equipped with a Gigabit Ethernet card for best performance.
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