Release 16 STANDARD 1.1 August 2016
Touchstone TG1662G Telephony Gateway User Guide
© 2013-2016 ARRIS Enterprises LLC. All Rights Reserved.
17
Chapter 4
Battery Installation and Removal
Introduction
The TG1662G 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:
The battery is intended only to provide emergency telephone service in the case of a
power outage. Wireless data and wired data service will not be available during a power
outage. In addition, LED operation is reduced when the Telephony Gateway is operating on
battery power.
Note:
For safety and regulatory purposes, batteries are shipped outside of the Telephony
Gateway and must be installed.
The TG1662G 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 green or black.
Basic Backup Battery (Green)
Basic Backup Battery (Black)
Basic Battery Installation and Replacement
(page 18).
Extended backup battery: provides up to 8 hours of backup time, depending on model and
usage. It has a strap between the battery guides.
