User`s guide

Battery Installation and Removal

The TG862 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 TG862 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 TG862 Telephony Gateway User’s Guide

Safety

Getting

Started

Battery

Installation

Ethernet

Conﬁguration Usage Troubleshooting Glossary

Basic Backup Battery (green)