Figure 45: Marking The Screw Holes For Four Brkt-J23 Brackets - Allied Telesis x330 Series Installation Manual

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.
x330 Series Installation Guide for Standalone Switches
81