Cisco DPC3940 User Manual page 29

Dialing Requirements
All your telephones should be set to use Dual-Tone Multi-Frequency (DTMF)
dialing. Pulse dialing may not be supported by your local service provider.
Telephone Wiring Requirements
The residential gateway supports connecting to the interior telephone wiring as well
as connecting directly to a telephone or fax machine. The maximum distance from
the unit to the most distant telephone device must not exceed 1000 feet (300 meters).
Use 26-gauge twisted-pair, or larger, telephone wiring.
Important: Connection to an existing or a new permanently installed home
telephone wiring network should be completed by a qualified installer or at the
direction of your telephone service provider.
What Types of Service Accounts Do I Need?
Depending upon the features your service provider offers, you may need to establish
one or both of the following accounts:
A high-speed Internet access account, if your residential gateway supports an

Internet connection
An account for telephone service, if your residential gateway supports digital

telephone service
Refer to one of the following topics to learn more about the types of service accounts
that you may need to establish.
High-Speed Internet Access Account
If you do not have a high-speed Internet access account, your service provider will
set up your account and become your Internet Service Provider (ISP). Internet access
enables you to send and receive e-mail, access the World Wide Web, and receive
other Internet services.
You will need to give your service provider information about the residential
gateway in order to use the high-speed internet feature that this product offers. Refer
to Information Your Service Provider Needs (on page 12) to learn how to locate the
information your service provider needs to establish a high-speed Internet access
account for the residential gateway
If you have an existing high-speed Internet access account, you will need to give
your service provider the serial number and MAC address of the residential gateway
in order to use the high-speed internet feature that this product offers. Refer to
Information Your Service Provider Needs (on page 12) to learn how to locate this
information.
OL-30505 -01
Installation Preparations
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