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Installing the MX960 Mounting Hardware for a Four-Post Rack or Cabinet

Before installing the router in a four-post rack or cabinet, install the large mounting shelf, followed by the small mounting shelf. You must also remove the mounting brackets from the chassis.

Table 1 specifies the holes in which you insert cage nuts, if needed, and screws to install the mounting hardware required in a four-post or cabinet rack (an X indicates a mounting hole location). The hole distances are relative to one of the standard U divisions on the rack. The bottom of all mounting shelves is at 0.04 in. (0.02 U) above a U division.

Table 1: Four-Post Rack or Cabinet Mounting Hole Locations

Hole

Distance Above U Division

Large Shelf

Small Shelf

3

1.51 in. (3.8 cm)

0.86 U

  

X

2

0.88 in. (2.2 cm)

0.50 U

X

X

1

0.25 in. (0.6 cm)

0.14 U

  

X

To install the mounting shelves (see Figure 1):

  1. On the front rack rails, install cage nuts, if needed, in the holes specified in Table 1 for the large shelf and the spacer bars.
  2. On the front of each front rack rail, partially insert a mounting screw into the hole containing the lowest cage nut.
  3. Install the large shelf on the front rack rails. Rest the bottom slot of each flange of the large shelf on a mounting screw.
  4. Partially insert a mounting screw into the top hole in each flange of the large shelf.
  5. Tighten all the screws completely.
  6. On the rear rack rails, install cage nuts, if needed, in the holes specified in Table 1 for the small shelf.
  7. On the back of each rear rack rail, partially insert a mounting screw into the hole containing the lowest cage nut.
  8. Install the small shelf on the back rack rails. Rest the bottom slot of each flange of the small shelf on a mounting screw. The small shelf installs on the back of the rear rails, extending toward the center of the rack. The bottom of the small shelf should align with the bottom of the large shelf.
  9. Partially insert screws into the open holes in the flanges of the small shelf.
  10. Tighten all the screws completely.
Figure 1: Installing the Mounting Hardware for a Four-Post Rack or CabinetInstalling the Mounting Hardware for a Four-Post Rack or Cabinet

After the mounting hardware is installed, proceed to Installing the MX960 Router Using a Mechanical Lift.

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