Extended Battery Installation And Replacement - Arris SURFboard TM822R User Manual

Note: Batteries will not insert completely into the Telephony Modem if not oriented
correctly. The battery should slide into the bay without significant force. Line up the
guides on the battery with the slots in the battery bay.
3. Push the battery pack into the bay until it seats into place. If you are taking the battery
out of the Telephony Modem, position your finger in the battery opening area and use
leverage to dislodge the battery while pulling it straight back.
Note: The Telephony Modem will not begin operating until you apply AC power.
4. Replace the door. To do so, place the hinge tabs of the battery door into the receiver
slots inside the Telephony Modem battery compartment on the -opposite end of the
battery opening. Rotate the door toward the unit until the latch snaps back into place.
1 - Battery Compartment
2 - Hinge Tabs
3 - Receiver Slots
Note: Telephony Modems use a Lithium-Ion battery pack. Please recycle or dispose of the
battery responsibly and in accordance with local ordinances.

Extended Battery Installation and Replacement

This model of the Telephony Modem has the ability to provide continued telephone service
during power outages. The battery backup is not intended to take the place of AC power.
Use this procedure to install or replace the backup battery.
STANDARD PN 365-095-31188 x.1
© 2016 ARRIS Enterprises LLC. All Rights Reserved.
Chapter 4: Battery Installation and Removal
TM822R DOCSIS® 3.0 Telephony Modem For Customers User Guide
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