CHAPTER 15
Installing the Mounting Hardware
•
Installing the MX240 Router Mounting Hardware for a Rack or Cabinet on page 167
•
Moving the Mounting Brackets for Center-Mounting the MX240 Router on page 169
Installing the MX240 Router Mounting Hardware for a Rack or Cabinet
The router can be installed in a four-post rack or cabinet or an open-frame rack. Install
the mounting hardware on the rack before installing the router.
Install the mounting shelf, which is included in the shipping container, before installing
the router. We recommend that you install the mounting shelf because the weight of a
fully loaded chassis can be up to 128 lb (58.1 kg).
Table 87 on page 167 specifies the holes in which you insert cage nuts and screws to install
the mounting hardware required (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 87: Four-Post Rack or Cabinet 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
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 87 on page 167.
2. On the back of each rack rail, partially insert a mounting screw into the lowest hole
specified in Table 87 on page 167.
167Copyright © 2017, Juniper Networks, Inc.
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