Arris Touchstone WTM552 User Manual page 13

Getting
Safety Started
Battery
Installation Installation
Latch
End
Battery Slot
Battery Guide
Wireless Ethernet
Configuration Configuration
2.2 Ah Battery Installation and Replacement
This model of the Telephony Modem has the ability to provide battery backup in the
event of a local power loss. The battery backup is not intended to take the place of
AC power. The 2.2Ah Lithium-Ion battery pack can be inserted into the Telephony
Modem. Use this procedure to install and to replace the backup battery.
Action
Insert a finger into the latch opening, press down and pull back on the latch
1
holding the battery door (on the bottom of the Telephony Modem). Pull the
door toward you. Set the door aside in a safe place.
Hold the battery pack so that the guides on the battery align with the slots
2
on the Telephony Modem and slide the battery into the bay. The diagram on
the left shows the proper orientation. The battery will not insert completely
into the Telephony Modem if not oriented correctly.
Touchstone® WTM552 Telephony Modem User's Guide
Usage Troubleshooting Glossary
13