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
Copyright © 2015, Juniper Networks, Inc.6
MX480 3D Universal Edge Router Quick Start
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