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Chapter 4
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)
Basic Backup Battery (Black)
Refer to
Basic Battery Installation and Replacement
(page 17).
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
Extended Battery Installation and Replacement
(page 18).
Release 24 STANDARD 1.1
January 2015
Touchstone TG2472 Telephony Gateway User Guide
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Chapter 4
:
Battery Installation and Removal
Your cable company may include a backup battery with your Telephony Gateway. You can
order any of the batteries shown here at
.
Basic Battery Installation and Replacement
This model of the Telephony Gateway has the ability to provide continued telephone
service during power outages. The battery backup is not intended to take the place of AC
power.
Use this procedure to install and to replace the backup battery.
1.
Press down and pull back on the latch holding the battery door (on the bottom of the
Telephony Gateway). Pull the door toward you. Set the door aside in a safe place.
1 - Latch End
CAUTION
Risk of equipment damage
Improperly inserting the battery may damage the battery connector in the Telephony
Gateway. Carefully follow the instructions in the next step to avoid damage.
2.
Hold the battery pack so that the guides on the battery align with the slots on the
Telephony Gateway and slide the battery into the bay.
Release 24 STANDARD 1.1
January 2015
Touchstone TG2472 Telephony Gateway User Guide
17
Page 18 / 44
Chapter 4
:
Battery Installation and Removal
1 - Battery Slots
2 - Battery Guides
Note:
Batteries will not insert completely into the Telephony Gateway if not oriented
correctly. The battery should slide into the bay without significant force. Line up the guides on
the battery with the slots in the battery bay.
3.
Push the battery pack into the bay until it seats into place.
If you are taking the
battery out of the Telephony Gateway, position your finger in the battery
opening area and use leverage to dislodge the battery while pulling it
straight back.
Note:
The Telephony Gateway will not begin operating until you apply AC power.
4.
Replace the door. To do so, place the hinge tabs of the battery door into the receiver
slots inside the Telephony Gateway battery compartment on the opposite end of the
battery opening. Rotate the door toward the unit until the latch snaps back into place.
1 - Battery Compartment
2 - Receiver Slot
3 - Hinge Tab
Note:
Telephony Gateways use a Lithium-Ion battery pack. Please recycle or dispose of the
battery responsibly and in accordance with local ordinances.
Extended Battery Installation and Replacement
This model of the Telephony Gateway has the ability to provide continued telephone
service during power outages. The battery backup is not intended to take the place of AC
power.
Use this procedure to install or replace the backup battery.
Release 24 STANDARD 1.1
January 2015
Touchstone TG2472 Telephony Gateway User Guide
18
Page 19 / 44
Chapter 4
:
Battery Installation and Removal
1.
Press down and pull back on the latch holding the battery door (on the bottom of the
Telephony Gateway). Pull the door toward you. Set the door aside in a safe place.
1 - Latch End
CAUTION
Risk of equipment damage
Improperly inserting the battery may damage the battery connector in the Telephony
Gateway. Carefully follow the instructions in the next step to avoid damage.
2.
Hold the battery pack so that the guides on the battery align with the slots on the
Telephony Gateway and slide the battery into the bay.
1 - Battery Slots
2 - Battery Guides
3 - Battery Pull Strap
Note:
Batteries will not insert completely into the Telephony Gateway if not oriented
correctly. The battery should slide into the bay without significant force. Line up the slots in the
battery bay with the guides on the battery and apply even pressure on both ends of the battery.
Release 24 STANDARD 1.1
January 2015
Touchstone TG2472 Telephony Gateway User Guide
19
Page 20 / 44
Chapter 4
:
Battery Installation and Removal
3.
Push the battery pack into the bay until it latches into place.
If you are taking the
battery out of the Telephony Gateway, use the battery pull strap to dislodge
the battery.
Note:
The Telephony Gateway will not begin operating until you apply AC power.
4.
Replace the door. To do so, place the tabs of the battery door into the slot inside the
Telephony Gateway battery compartment. Rotate the door toward the front of the
Telephony Gateway until the latch snaps back into place.
1 - Battery Compartment
2 - Receiver Slot
3 - Hinge Tab
Note:
Telephony Gateways use a Lithium-Ion battery pack. Please recycle or dispose of the
battery responsibly and in accordance with local ordinances.
Release 24 STANDARD 1.1
January 2015
Touchstone TG2472 Telephony Gateway User Guide
20

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