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WebSTAR DPX2203C and EPX2203C VoIP Cable Modem User’s Guide
36
How Do I Maintain the Battery?
Your modem includes a rechargeable Lithium-Ion battery to provide stand-by operation in the event of an AC
power failure. You can replace the battery without the use of any tools.
Charging the Battery
The battery begins to charge automatically as soon as you attach the modem to
the 15 V DC power source. When you first plug in the modem, the POWER LED
status indicator illuminates.
Note: It may take as long as 10 hours for the battery to charge fully.
Using the Modem Without a Battery
If you want, you can use the modem without a battery. If you need to remove the
battery, follow the procedures found in Removing and Replacing the Battery,
later in this section.
Important: If you choose to operate your modem without a battery, you risk
losing your telephone service during a power outage.
Replacing the Battery
Under normal circumstances, the battery should last for several years. The
REPLACE BATTERY LED status indicator illuminates to indicate that the battery
should be replaced soon. Contact your service provide to obtain a replacement
battery and for disposal instructions.
Note: Follow the steps found in Removing and Replacing the Battery, later in this
section, to remove and replace the battery.
WARNING:
There is danger of
explosion if the battery
is mishandled or
incorrectly replaced.
Replace only with the
same type of WebSTAR
battery. Do not
disassemble it or
attempt to recharge the
battery outside the
system. Do not crush,
puncture, dispose of in
a fire, short external
contacts, or expose to
water or other liquids.
Dispose of the battery
in accordance with
local regulations and
instructions from your
service provider.
37


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