40 NX-Platform Hardware Installation and Safety
• For extra support against seismic vibrations, you can secure an additional bracket to each of the rack-
mounting ears. The seismic brackets accommodate two-post racks that are 5 – 6 inches deep. After
securing the chassis to the rack with the standard rack-mounting ears, loosely mount the seismic brackets
into the holes of the rack-mounting ears with the provided SEMS screws (four on each side, included).
Then secure the seismic brackets to the rear rack post with screws (six on each side, not included).
Finally, tighten all screws, including the SEMS screws that fasten both pairs of brackets together.
Figure 7. Reinforced mounting, front view (top) and rear vew (bottom)
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