Battery Installation and Removal
The TG852 Telephony Gateway supports a Lithium-Ion backup battery to provide
continued telephone service during power outages. The battery backup is not in-
tended to take the place of AC power.
Note:
For safety and regulatory purposes, batteries are shipped outside of the
Telephony Gateway and must be installed.
The TG852 supports the following battery model:
•
Basic backup battery
— provides up to 8 hours of backup time, depend-
ing on your Telephony Gateway model and usage.
Basic Battery Installation and Replacement
Touchstone TG852 Telephony Gateway User’s Guide
12
Basic Backup Battery (green)
