Installing The Tx Matrix Mounting Hardware For An Open-Frame Rack; Installing The Cage Nuts; Installing The Large Mounting Shelf; Table 21: Open-Frame Rack Mounting Hole Locations - Juniper TX MATRIX Hardware Manual

Installing the TX Matrix Mounting Hardware for an Open-Frame Rack

Installing the Cage Nuts

Installing the Large Mounting Shelf

Copyright © 2010, Juniper Networks, Inc.
Install the large mounting shelf on the rack. If you are front-mounting the TX Matrix router,
you must also remove the mounting brackets from the chassis. The small mounting shelf
and the spacer bars are not needed.
Installing the Cage Nuts on page 79
1.
Installing the Large Mounting Shelf on page 79
2.
Removing the Spacer Bars on page 80
3.
Table 21 on page 79 specifies the holes in which you insert screws to install the mounting
hardware in an open-frame rack (an
distances are relative to one of the standard U divisions on the rack. For reference, the
bottom of all mounting shelves is at 0.04 in. (0.02 U) above a U division.

Table 21: Open-Frame Rack Mounting Hole Locations

Hole Distance Above U Division
59 34.13 in. (86.7 cm)
53 30.63 in. (77.8 cm)
50 28.88 in. (73.3 cm)
44 25.38 in. (64.5 cm)
41 23.63 in. (60.0 cm)
35 20.13 in. (51.1 cm)
32 18.38 in. (46.7 cm)
31 17.75 in. (45.1 cm)
To install the large mounting shelf (see Figure 41 on page 80):
On the rear of each rack rail, partially insert a mounting screw into the lowest hole
1.
specified in Table 21 on page 79 for the large shelf.
Install the large shelf on the rack. Rest the bottom slot of each flange on a mounting
2.
screw.
Partially insert screws into the open holes in the flanges of the large shelf.
3.
Tighten all the screws completely.
4.
Chapter 7: Installing the TX Matrix Router Mounting Hardware
X indicates a mounting hole location). The hole
19.50 U
17.50 U
16.50 U
14.50 U
13.50 U
11.50 U
10.50 U
10.14 U
Front
Shelf
X
X
X
X
X
X
X
X
79