Wall Mounting The Total Access 916E/924E Bbu (1175044L1/L2); Figure 6. Wall Mounting The 1175044L1/L2 Bbu - ADTRAN Total Access 908e Hardware Installation Manual

Total access 900e series

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Battery Backup Unit

For a wallmount installation, the BBU installs on heavy plywood (3/4-inch minimum) using two

#10 x 3/4-inch pan-head wood screws. Install the BBU as follows:

Step

Determine the preferred unit layout to ensure cable plugs reach their designated sockets.

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.

Drill the two pilot holes using a size 1/16-inch drill bit.

Screw in the top two pan-head screws that fit the keyhole openings. Let the head of each

screw protrude 1/16 inch from the plywood to engage the keyhole slot.

Position the BBU and to hang on the screw heads. Allow the unit to slide down until the slot

end rests against the screws.

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.