WebSTAR DPX2203C and EPX2203C VoIP Cable Modem User’s Guide

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.

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.

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.

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