ADTRAN 6240 Installation Guide download pdf (Page 24)

Unit Installation NetVanta 6240 Series Hardware Installation Guide

Install the BBU as follows:

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 Recycling

Instructions for Wall Mounting the BBU

Step Action

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 Figure 4 on page 23.

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 into the top two

keyholes. 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.

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ADTRAN 6240 Installation Guide Page 24