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38 734348 Rev C
How Do I Maintain the Battery (Optional Model Only)
Location of Batteries
The following illustration shows the location of the batteries on the cable modem.
T11718
POW
ER
DS
US
O
N LINE
LINK
TEL 1
TEL 2
BATTERY
Battery
Lock
Removing and Replacing the Batteries
Follow these steps to remove and replace one or both of the batteries. You can
remove and replace the batteries without disconnecting the AC power source.
1 Gently press the battery cover on the front of the modem to open the battery
cover and gain access to the battery compartment.
2 Slide the battery lock upward (toward the front panel LEDs) to disengage the
battery lock.
3 Grasp the plastic strip on the front of the battery and gently slide the battery
forward to remove it from the battery compartment.
4 Insert a new battery into the battery compartment.
5 Repeat steps 3 and 4 if you are replacing both batteries. Then, go to step 6.
6 Close the battery compartment door. The battery lock will automatically engage.
Important! It may take as long as 24 hours for each battery to charge fully.
Note: Dispose of the battery in accordance with local regulations and
instructions from your service provider.