Table 20: Open-Frame Rack Mounting Hole Locations For The M120 Router - Juniper Networks Hardware Manual

M120 Multiservice Edge Router Hardware Guide
52
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Table 20: Open-Frame Rack Mounting Hole Locations for the M120 Router

Hole Distance Above U Division
30 17.26 in. (43.8 cm)
27 15.51 in. (39.4 cm)
24 13.76 in. (34.9 cm)
21 12.01 in. (30.5 cm)
18 10.26 in. (26.0 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)
To install the large mounting shelf (see Figure 24 on page 53):
On the rear of each rack rail, partially insert a mounting screw into the highest hole
1.
specified in Table 20 on page 52 for the large shelf.
Install the large shelf on the rack. Hang the shelf over the mounting screws using the
2.
keyhole slots located near the top of the large shelf flanges.
Partially insert screws into the open holes in the ears of the large shelf.
3.
Tighten all the screws completely.
4.
Large Shelf
9.86 U
X
8.86 U
X
7.86 U
X
6.86 U X
5.86 U X
4.86 U X
3.86 U
X
2.86 U
X
1.86 U
X
0.86 U
X
0.50 U
X
0.14 U
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