User guide

1-22 Rack Installation Guide
Rack Kit Contents
The two-post rack kit includes the following items (see Figure 1-12):
• One pair of slide assemblies (two-post)
• One stiffening bracket
• One cable-management arm
• One status indicator cable (if applicable)
• Sixteen 12-24 x 0.5-inch pan-head Phillips screws
• Tie-wraps (not shown in Figure 1-12)
Figure 1-12. Two-Post Rack Kit Components
Marking the Rack
You must allow 2 U (88 mm or 3.5 inches) of vertical space for each system you install in
the two-post rack.
Universal-Hole Spacing Racks
Industry-standard two-post racks with universal-hole spacing have an alternating pattern of
three holes per U with center-to-center hole spacing (beginning at the top hole of a 1-U space)
of 15.9 mm, 15.9 mm, and 12.7 mm (0.625 inch, 0.625 inch, and 0.5 inch) for the front and back
vertical column of holes (see Figure 1-13).
slide assemblies (2)
cable-management arm
status indicator cable (if applicable)
16-24 x 0.5-inch pan-head
Phillips screw (12)
stiffening bracket