Chapter 4. Battery Installation And Removal; Introduction - Arris Touchstone TG2472 User Manual

Battery Installation and Removal

Introduction

The TG2472 Telephony Gateway supports a Lithium-Ion backup battery to provide
continued telephone service during power outages. The battery backup is not intended 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 TG2472 supports the following battery models:
Basic backup battery: provides up to 4 hours of backup time, depending on your

Telephony Gateway model and usage. It may be light gray or black.
Basic Backup Battery (Gray)
Refer to
Extended backup battery: provides up to 8 hours of backup time, depending on model

and usage. It has a strap between the battery guides. This is the standard battery for the
TG2472.
Extended Backup Battery
Refer to
Release 24 STANDARD 1.1 January 2015
Basic Battery Installation and Replacement
Extended Battery Installation and Replacement
Basic Backup Battery (Black)
(page 17).
(page 18).
Touchstone TG2472 Telephony Gateway User Guide 16
Chapter 4