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How Do I Install the Modem for Telephone Service?
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How Do I Install the Modem for Telephone Service?
The cable modem can be used to provide telephone service for one or two telephone lines. This section describes
how to connect a single telephone, fax machine, analog telephone modem, or other telephone device to each
telephone port on the cable modem.
Important: Connecting the cable modem permanently to the installed home
telephone wiring is not covered by this document.
Installing the Cable Modem to Provide Telephone Service
Heed the following warnings, and then follow the subsequent installation
procedures to ensure proper cable modem installation and configuration for
providing telephone service.
Note: Professional installation may be available. Contact your service provider
for further assistance.
WARNING:
• To avoid personal injury, follow the installation instructions in the exact
order shown.
• Telephone connections to an installed home telephone wiring network
must be done by a qualified installer. The cable telephone service
provider may offer professional installation and connection to the home
telephone wiring network. A fee may be charged for this service.
• Hazardous electrical voltages can exist on the telephone ports on the
cable modem and can be present on any connected wiring. Telephone
wiring and connections must be properly insulated to prevent electrical
shock. Disconnect power from the cable modem before attempting to
connect to any device.
• To prevent possible damage to equipment, disconnect any other
telephone service before connecting your cable modem to the same
wires.