Juniper MX2020 Hardware Manual page 261

Table 84: Mounting Hole Locations for Installing the Four-Post Mounting Shelf (continued)
Hole Distance Above U Division
3 1.50 in. (3.8 cm)
2 0.88 in. (2.2 cm)
1 0.25 in. (0.6 cm)
Table 85: Mounting Hole Locations for Installing a MX2020 Chassis in a Four-Post Rack or Cabinet
Hole Distance Above U Division
111 64.5 in. (163.8 cm)
102 59.25 in (150.5 cm)
93 54 in (127.2 cm)
84 48.75 in (123.8 cm)
75 43.5 in (110.5 cm)
66 38.25 in (97.15 cm)
57 33 in (83.8 cm)
48 27.75 in (70.5 cm)
39 22.5 in. (57.1 cm)
30 17.25 in. (43.8 cm)
25 14.25 in (36.2 cm)
12 6.75 in. (17.1cm)
7 3.75 in (9.5 cm)
The holes in the front-mounting flanges are space at 3 U (5.25 in. (13.3 cm)).
SEE ALSO
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