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

M320 Multiservice Edge Router Quick Start
10
Table 2: Open-Frame Rack Mounting Holes (continued)
Hole Distance Above "U" Division
24 13.76 in. (34.9 cm)
21 12.01 in. (30.5 cm)
18 10.26 in. (26.00 cm)
15 8.51 in. (21.6 cm)
12 6.76 in. (17.1 cm)
9 5.01 in. (12.7 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)
Install Cage Nuts, If Needed on page 10
Install the Large Mounting Shelf on page 10
Install the Small Mounting Shelf on page 11
Remove the Mounting Hardware From the Chassis on page 11

Install Cage Nuts, If Needed

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

Install the Large Mounting Shelf

On the back of each rack rail, partially insert a mounting screw in the lowest hole
1.
specified in Table 2 on page 9
Install the large shelf on the rack on the back of each rack rail. Rest the bottom slot
2.
in each flange on one of the installed mounting screws.
Partially insert screws into the open holes in the ears of the large shelf.
3.
Tighten all the screws completely.
4.
7.86 U
6.86 U
5.86 U
4.86 U
3.86 U
4.86 U
1.86 U
0.86 U
.5 U
.14 U
9:
for the large shelf.
Large Small
Shelf Shelf
x -
x -
x -
- -
x -
x -
x -
x x
x x
- x
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