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NOTE: The instructions are the same for square-hole racks and unthreaded, round-hole racks. The rails fit both
rack styles. The round-hole rack is shown in the illustrations.
3 Select the proper holes in the rail for positioning the cabinet in the desired location in the rack.
The rails should be located at the bottom of the 4U space allocated for the UPS or 3U for the
4 Position the end of the left and right rails labeled L and R facing inward.
Figure 10. Positioning the Rails