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Step 2: 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 1 on page 6.

2. On the back of each rack rail, partially insert a mounting screw into the lowest hole

specified in Table 1 on page 6.

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 on page 7 or Figure 3 on page 8).

5. Tighten all the screws completely.

Table 1: MX480 Mounting Hole Locations

Mounting ShelfDistance Above U DivisionHole

X1.14 U2.00 in. (5.1 cm)4

X0.86 U1.51 in. (3.8 cm)3

X0.50 U0.88 in. (2.2 cm)2

X0.14 U0.25 in. (0.6 cm)1

MX480 3D Universal Edge Router Quick Start

Juniper MX480 User Manual

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