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Unit Installation
Install the BBU as follows:
Step
1
Decide on a location for the BBU, keeping in mind that the cable plugs must be able to reach
their designated sockets in the NetVanta unit.
2
Prepare the mounting surface by attaching a board (typically plywood, 3/4-inch to 1-inch thick)
to a wall stud using #6 to #10 (2.5-inch or greater in length) wood screws.
Important! Mounting to a stud ensures stability. Using sheetrock anchors may not provide
sufficient long-term stability.
3
Ensuring a plumb measurement, mark where the pilot holes are to be drilled according to the
dimensions given in the documentation included with your shipment.
4
Drill all four pilot holes using a size 1/16-inch drill bit.
5
Screw two #10 x 3/4-inch pan-head screws into the top two previously drilled holes. Let the
head of each screw protrude 1/16 inch from the plywood to engage the keyhole slot.
Do not let the weight of the BBU rest on the two keyhole screws. Maintain support
until the lower two screws are fully inserted.
6
With an assistant, lift the BBU and position to engage the screw heads. Allow the unit to slide
down until the slot end rests against the screws.
7
Insert the two lower screws through the tabs and tighten securely.
8
Use cable ties as appropriate. The battery connection from the BBU should be directly
connected to the BATT port on the rear of the chassis.
BBU Maintenance
•
The BBU does not require routine maintenance for normal operation. The life expectancy of the BBU
is 3 to 5 years on standby 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, refer to the document
Battery Replacement and
24
Instructions for Wall Mounting the BBU
Recycling.
Copyright © 2011 ADTRAN, Inc.
NetVanta 640 Series Hardware Installation Guide
Action
61700144G1-34A
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