Juniper TX MATRIX PLUS, Hardware Manual

Page: 153 / 502

Table 32: Mounting Hole Locations for Installing a TX Matrix Plus Chassis
in a Four-Post Rack
(continued)
Distance Above U Division Hole
4.86 U 8.50 in. (21.6 cm) 15
2.86 U 5.00 in. (12.7 cm) 9
Installing the Four-Post Mounting Shelf and Rear Support Bracket
To install the four-post mounting shelf and rear support bracket (see Figure 47 on
page 120):
1.
On the rear of each rear rack rail, partially insert a mounting screw into the lowest hole
specified in Table 31 on page 118.
2.
Install the rear support bracket on the rear of the rear rack rails. Rest the bottom slot
of the rear support bracket on a mounting screw. The rear support bracket extends
toward the center of the rack.
3.
Partially insert screws into the open holes in the rear support bracket.
4.
Tighten all the screws completely.
5.
On the front of each front rack rail, partially insert a mounting screw into the lowest
hole specified in Table 31 on page 118.
6.
Install the four-post rack mounting shelf on the front rack rails. Rest the bottom slot
of the front flange on a mounting screw. Rest the back of the four-post rack mounting
shelf on top of the rear support bracket.
7.
Tighten all the screws completely.
8.
Fasten the four-post mounting shelf to the rear support bracket by partially inserting
the screws provided in the accessory kit into the open holes on top of the four-post
mounting shelf.
NOTE: Several holes are provided on top of the shelf. Two holes on each
side of the shelf will align with the holes in the rear support bracket.
9.
Tighten all the screws completely.
119 Copyright © 2010, Juniper Networks, Inc.
Chapter 10: Installing the TX Matrix Plus Mounting Hardware