3Com NBX 100 Installation Manual page 131

For wall-mounting the chassis:
Screws for mounting the NBX 100 chassis to a prepared wall surface.
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The screws must support a fully configured chassis.
Plywood, 1.25 cm (½ inch) or greater, mounted to the wall with
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toggle bolts or screwed into the wall studs.
Drill and drill bits
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For rack-mounting the chassis:
Four rack screws appropriate to the rack
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Getting Started 131