Allied Telesis CentreCOM GS970EMX Series, Installation Manual

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CentreCOM GS970EMX Series Installation Guide for Standalone Switches
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Figure 45. Marking the Screw Holes for Four BRKT-J23 Brackets
5. Place the switch and brackets on a table.
6. For a wooden wall, use a stud-finder to determine if there are any live
electrical wires at the screw hole locations.
7. If required, pre-drill the screw holes on the wall. For a concrete wall,
observe the following:

Set the drill to hammer and rotation mode to break up the concrete
and clean out the hole.

Clean out the holes with a brush or compressed air.
8. If required, install wall anchors.
9. Attach the bottom BRKT-J23 brackets to the wall with appropriate
screws. Refer to Figure 46 on page 82.