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Install the Mounting Hardware in a Four-Post Rack or Cabinet or an Open-Frame Rack

To install the mounting shelf on the front rails of a four-post rack or cabinet, or the rails of an open-frame rack:

  1. If needed, install cage nuts in the holes specified in Table 2.
  2. On the back of each rack rail, partially insert a mounting screw into the lowest hole specified in Table 2.
  3. Install the mounting shelf on the back of the rack rails. Rest the bottom slot of each flange on a mounting screw.
  4. Partially insert screws into the open holes in each flange of the mounting shelf (see Figure 2 or Figure 3).
  5. Tighten all the screws completely.

Table 2: Mounting Hole Locations

Hole

Distance Above “U” Division

Mounting Shelf

4

2.00 in. (5.1 cm)

1.14 U

X

3

1.51 in. (3.8 cm)

0.86 U

X

2

0.88 in. (2.2 cm)

0.50 U

X

1

0.25 in. (0.6 cm)

0.14 U

X

Figure 2: Mounting Hardware for a Four-Post Rack or Cabinet

Image g004258.gif

Figure 3: Mounting Hardware for an Open-Frame Rack

Image g004255.gif


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