Chapter 4
:
Battery Installation and Removal
Release 8 STANDARD 1.3 August 2016
Touchstone TM822G Telephony Modem User Guide
© 2011-2016 ARRIS Enterprises LLC. All Rights Reserved.
17
Extended backup battery:
provides up to 12 hours of backup time, depending on model
and usage. It has a strap between the battery guides. It may be light gray or black.
Extended Backup Battery
Refer to
Extended Battery Installation and Replacement
(page 19).
Maximum backup battery:
provides up to 18 hours (6-cell) or 24 hours (8-cell) of backup
time, depending on model and usage. It replaces the battery door, and increases the
height of the Telephony Modem by about 5/8" (16 mm).
Maximum Backup Battery
Refer to
Maximum Battery Installation and Replacement
(page 21)
Your service provider may include a backup battery with your Telephony Modem. If you wish,
you can purchase an additional battery at
http://shop.surfboard.com/
. The website will list the
recommended battery type for your Telephony Modem.
