HP Netserver L Server series - Manual (Page 84)

Chapter 8 Rack Mounting the HP Netserver (4-Post)
78
Leveler
Screws (4)
Anti-tip Foot
Extended
Figure 8-4. Mounting Outer-Rails to Columns
4. Match the outer-rail pins to the column holes (1st & 3rd) marked on the front
and rear columns. See Figure 8-3.
The mounting pins of the outer-rails should go into the inside face of the
rear column and the front face of the front column.
5. With the outer-rail assembly held in position at the rear, push in on the front
outer-rail mount and place in the two holes in the front column face.