4
How to Install
:
D-cell Unit for your AT&T Fiber Service Box
1 2
Follow these simple steps:
Unplug existing black
power supply.
Remove plastic cover from
bottom of power supply.
Connect new power cable to
ONT and D-cell power supply,
then plug into outlet.
5
Test the unit: Push Test
6
button; LED lights will indicate
power level.
ONT Power Cable
and Supply
ONT
D-Cell Battery
Power Supply
Outlet
ONT
Turn unit Off when finished
testing. You will need to
turn the unit back on during
a power outage.
Insert all 12 D-cell batteries
into the holder.
D-cell Battery Holder
(Open Cover)
Plug holder into power supply.
3 4
D-cell Battery
Holder
D-cell Battery
Power Supply
Before you begin:
Determine placement of D-cell unit near the AT&T network box (ONT).
Unit can be laid flat or mounted to wall.
Select the power cable that fits your ONT.
In your kit:
• D-cell batter holder with cable
• D-cell power supply
• Power cables (2)
You will need to supply 12 D-cell alkaline batteries.
Completed Setup (items not to scale)
D-cell Battery Holder
New ONT Power Cable
D-cell Battery Power Supply
AT&T Network Box
(
ONT
)
(Open Cover)
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