Battery Backup Unit
TA 900 Series (3rd Gen) HIG
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Copyright © 2020 ADTRAN, Inc.
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7. BATTERY BACKUP UNIT
The ADTRAN battery backup unit (BBU) is an optional device designed as a backup DC power
supply for the Total Access 900 Series.
Total Access 908 BBU (P/N 1200641L1)
The BBU connects to the Total Access 908 through a 2-foot charge/discharge, 2-conductor wire
with a keyed modular plug (included with the BBU). The 1200641L1 BBU is a low profile
wallmount configuration. The BBU is
not
displays the Total Access 908
BBU.
Figure 4. Total Access 908 BBU (P/N 1200641L1)
Features of the BBU, P/N 1200641L1, include the following:
• No-spill battery design
• Compact wallmount box
• 7 Ah, 12VDC battery (up to 8 hours of backup, depending on load)
• Modular plug (provides quick and easy installation)
Instructions for Powering the Total Access 900 Series
Step
Action
1
Fully insert the AC power cord into the AC power receptacle on the rear panel of the unit.
2
Insert the other end of the power cable into a properly grounded power source.
3
Confirm that the power is connected properly. The
POWER
LED should be
ON
.