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Installing a Battery Backup for a Panoramic Wifi Gateway or DOCSIS 3.1 Internet and Telephone Modem

Solution

This battery is only intended to back up phone service in the event of a power outage. It is not intended to back up Internet service. If you have a home alarm system or home health monitoring system that relies on the telephone line to operate, you will lose access to those services during a power outage unless you have backup batteries in each piece of Cox phone equipment.

Use the following steps to install your battery backup for the following.

1

Unplug the power cord from the electrical outlet, and then unplug the power cord from the back of your gateway or modem.

image of unplugging the power cord from the modem and outlet

Note: Your service is briefly interrupted.

2

Plug your gateway or modem power cord into the back of the battery backup, and then plug the other end into the electrical outlet.

image of plugging modem power cord into backup and electrical outlet

3

Plug the battery backup's power cord into your gateway or modem's power port.

image of plugging battery backup power cord to the modem

Result: For the Technicolor CGM4141, the battery backup LED blinks green.

4

Wait for the battery backup to be fully charged.

  • The Technicolor CGM4141 is fully charged after it charges for about 20 minutes. The battery backup makes a beeping sound and the LED light turns solid blue when it's ready for use.
  • The Arris TM3402 battery LED is green when it's ready for use.

    image of the battery backup with a blue LED light

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