AT&T BGW320 Simple Manual page 2

How to Install :
PSI Rechargeable Battery Units for your Gateway
What you need:
• (2) PSI Li-75 Power Supplies
• (6) PSI PS36L-EX Batteries
• PSI-BGW320 Adapter Cable
Before you begin:
Each battery stack will provide up to 16 hours of backup power. One battery
stack will be connected to the Gateway to provide automatic backup and will
need to be replaced with the other standby battery stack as needed during
an outage.
Keep standby rechargeable battery stack connected to power source to
maintain charge.
Prepare standby backup
rechargeable batteries
Connect the other three rechargeable batteries and the power supply to the
other backplane and plug into an electrical outlet (not controlled by a wall
switch). Note: to get the best power available, you should plug your battery
stack directly into a wall receptacle.
Connect first backup battery:
Disconnect existing black Stack three battery units
1 2
power supply from the and the power supply on the
Gateway and wall outlet. backplane.
Connect the rechargeable Make sure the battery is
3 4
battery stack to the Gateway and the Gateway is working.
using supplied power cord.
Completed Setup
On
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