Chapter 2
Battery installation and removal
Your service provider may include a backup battery with your telephony modem. If you
wish, you can purchase an additional battery at
. The website will list the
recommended battery type for your telephony modem.
Your telephony modem 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. LED operation is reduced when your telephony modem is
operating on battery power.
Note:
Batteries are sold separately.
Your telephony modem supports the following battery models:
■
Basic backup battery:
provides up to 6 hours (black) or 8 hours (green) of backup time,
depending on your telephony modem model and usage. It may be green or black.
Basic Backup Battery (Green)
Basic Backup Battery (Black)
Refer to
Basic battery installation and replacement
(page 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).
SURFboard
®
SBV3202 DOCSIS 3.0 telephony modem for Xfinity
®
customers User Guide STANDARD Revision x.3
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