AT&T 2448 - Manuals

Installation You will need the following to mount your controller on the wall: • eight screwsFor drywall, tile, or masonry use size 6 to 8 x ¾ inch plastic anchors with size 6 x 1 inch slotted screws. For wood, use size 6 x 1 inch slotted round head wood screws. These screws are available at your lo...

■ STEP 2 ATTACH EXPANSION UNIT TO MAIN CONTROLLER. CAUTION: Do not place either the main controller or the expansion unit face down. Remove the expansion unit, brace, strap, and ½” screws from the box. Slide the brace into thefour guides on the back of the expansion unit on the side with the exposed...

■ STEP 3 MOUNT THE CONTROLLERS ON THE WALL. If you are adding the expansion unit to an existing SPIRIT system, drill two additional holesin the positions shown in the figure below. If you are installing both the main controller and theexpansion unit, drill four holes in the positions shown in the fi...

■ STEP 5 ATTACH THE GROUNDING WIRE. The grounding wire must be attached to both power supplies to ensure lightning protection. Anchorone end of the grounding wire to the grounding stud located by the power cord on each of thepower supplies. Grounding Wire ■ STEP 6 INSTALL LINE AND STATION CARDS. If ...