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HP P4459A 8-Port Fibre Loop Switch Installation & Operation Guide
Figure 8: Marking Holes and Attaching Barrel Nuts on HP Rack System/E and
HP Rack System/U Racks
Step 2: Mark the Rack Column Holes
Use tape or a marking pen to mark the screw holes where you will install the
barrel nuts:
On each rear rack column, mark the top and bottom holes of the EIA unit on
the inside of the column, as shown in Figure 7 and Figure 8.
On each front rack column, mark the hole on the middle of the EIA unit on
the inside of the column.
Step 3: Place the Barrel Nuts on the Rack Columns
1. Identify the six barrel nuts by referring to Figure 7 and Figure 8.
EIA Unit
Left Rear Rack Column
Right Rear Rack Column
Barrel Nuts