Total Access 900 Series Hardware Installation Guide
Battery Backup Unit
61210916L1-34G
Copyright © 2010 ADTRAN, Inc.
29
Maintenance
•
The BBU does not require routine maintenance for normal operation. The life expectancy of the BBU
is 3 to 5 years on standby use when used at room temperature.
•
Excessive heat decreases battery power and life. Extreme low temperature also decreases battery
capacity. Ideal ambient temperature for battery life and capacity is 20°C.
•
Battery shelf life is extended in cooler temperatures.
•
To order replacement batteries, reference the following part number: 1975044L1 (12 V replacement
batteries).
ADTRAN is an environmentally friendly company. Therefore, we encourage the proper recycling and
handling of the batteries. Federal and state laws prohibit the improper disposal of all lead acid batteries.
The customer is responsible for the handling of their batteries from the day of purchase through their
ultimate disposal. For more information on battery replacement and recycling, reference ADTRAN
document number 60000120-36 online at
www.adtran.com
. (Enter the document number in the search
field to display a link to the document.)
Specifications
Table 2
provides BBU specifications.
Table 2. BBU Specifications
Battery
Part Number:
Suppliers:
Batteries:
Voltage:
Backup Time:
Wire Gauge:
311212V02
YUASA and Panasonic
7 Ahr per battery
-12 VDC per battery
Up to 8 hours
18 AWG
Environmental
Operating Temperatures:
Preferred:
Charge: -15°C to 50°C
Discharge: -20°C to 60°C
20°C
Physical Dimensions
P/N 1200641L1:
Weight:
P/N 1175044L1/L2:
Weight:
6.5-inch W x 6.5-inch H x 3.0-inch D
7 lb
17-inch W x 6.5-inch H x 3.5-inch D
30 lb
