Справочник Пользователя для Apple DPR2320TM

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If your cable modem does not perform as expected, the following tips may help. If 
you need further assistance, contact your cable service provider. 
•  Verify that the plug to your cable modem AC adapter is properly inserted into 

an electrical outlet. 

•  Verify that your cable modem 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, and that you are using the 

correct cables. 

•  Verify that your cable service is active and that it supports two-way service. 
•  Verify that your TCP/IP is properly installed and configured if you are using 

the Ethernet connection. 

•  Verify that you have followed the procedures in How Do I Install the USB 

Drivers, earlier in this guide, if you are using the USB connection. 

•  Verify that you have called your cable service provider and given them the 

serial number and MAC address of your cable modem. 

•  If you are using a cable signal splitter so that you can connect the cable 

modem to other devices, remove the splitter and reconnect the cables so that 
the cable modem is connected directly to the cable input. If the cable modem 
now functions properly, the cable signal splitter may be defective and may 
need to be replaced.