Install Cage Nuts, If Needed; Install The Large Mounting Shelf And The Spacer Bars; Install The Small Mounting Shelf - Juniper M320 Quick Start Manual

M320 Multiservice Edge Router Quick Start
Table 1: Four-Post Rack and Cabinet Mounting Holes (continued)
Hole Distance Above "U" Division
15 8.51 in. (21.6 cm)
6 3.26 in. (8.3 cm)
3 1.51 in. (3.8 cm)
2 0.88 in. (2.2 cm)
1 0.25 in. (0.6 cm)
8
4.86 U
1.86 U
.86 U
.5 U
.14 U

Install Cage Nuts, If Needed

For racks without threaded holes, you must install cage nuts in the mounting holes
specified in Table 1 on page
On the front rack rail, install cage nuts for the large shelf and spacer bars.
1.
On the back rack rail, install the cage nuts for the small shelf.
2.

Install the Large Mounting Shelf and the Spacer Bars

On the front of the front rack rails, partially insert a mounting screw into the lowest
1.
hole specified in Table 1 on page 7
Install the large shelf on the front of the front rack rails. Rest the bottom slot in each
2.
flange on one of the mounting screws.
Partially insert a mounting screw into the top hole in each flange of the large shelf.
3.
Tighten all the screws completely.
4.
Place one spacer bar over a flange of the large shelf.
5.
Partially insert a mounting screw into each of the nonthreaded holes in the recesses
6.
of the spacer bar.
Tighten all the screws completely.
7.
Repeat Steps 5 through 7 for the other spacer bar.
8.

Install the Small Mounting Shelf

On the back of the rear rack rails, partially insert a mounting screw into the lowest
1.
hole specified in Table 1 on page 7
Install the small shelf on the back of the rear rack rails. Rest the bottom slot on each
2.
flange on one of the mounting screws.
Partially insert screws into the open holes in the ears of the small shelf.
3.
Tighten all the screws completely.
4.
Large Shelf Spacer Bars
- x
- x
- -
x -
- -
7:
for the large shelf.
for the small shelf.
Small Shelf
-
-
x
x
x
Copyright © 2016, Juniper Networks, Inc.