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14 WebSTAR Model DPX213 VoIP DOCSIS Cable Modem User's Guide 4001231 Rev A
Before You Begin
Contacting Your Local Cable Service Provider
You need to set up an Internet access account with your local cable service provider
in order to use your cable modem. When you contact your cable service provider,
verify the following conditions:
• Does the cable service to your home support two-way, DOCSIS-compatible cable
modem access? If your cable service provider does not provide two-way service,
this modem will not be able to communicate with your cable service provider’s
Internet access service.
• Do you have an active RF coaxial cable connection near your PC? If your current
cable input is not conveniently located near your PC, your cable service provider
can install one.
• Do you have an Internet access account? Your cable service provider will set up
your Internet access account, and they will become your Internet Service Provider
(ISP) to enable you to send and receive e-mail, access the World Wide Web, and
receive other Internet services.
You must also give your cable service provider the following information:
• The serial number of the modem
• The Media Access Control (MAC) address of the modem
These numbers appear on a bar code label located on the cable modem. The serial
number consists of a series of alphanumeric characters preceded by S/N. The MAC
address consists of a series of alphanumeric characters preceded by MAC. The
following illustration shows a sample bar code label.
T10327
Serial Number
MAC Address
Selecting a Location for Your Modem
Select the location for your workspace and consider these recommendations:
• Position your PC and cable modem so that they are located near your cable input.
There should be plenty of room to guide the cables away from the modem without
straining or crimping them.
• Airflow around the cable modem should not be restricted.
• Read this user’s guide thoroughly before installing the cable modem.