Installing The Cage Nuts, If Needed; Installing The Large Mounting Shelf - Juniper T1600 Hardware Manual

T1600 Core Router Hardware Guide

Installing the Cage Nuts, if Needed

Installing the Large Mounting Shelf

90
the chassis, you use the front-mounting flanges, and must remove the center-mounting
brackets.
Installing the Cage Nuts, if Needed on page 90
1.
Installing the Large Mounting Shelf on page 90
2.
Removing the Center-Mounting Brackets from the Chassis on page 91
3.
Removing the Spacer Bars on page 92
4.
Install cage nuts, if needed, in the mounting holes specified in Table 29 on page 90.
1.
Table 29 on page 90 specifies the mounting holes in which you insert the mounting screws
(an indicates a mounting hole location), and cage nuts if needed. The hole distances
X
are relative to one of the standard "U" divisions on the rack. For reference, the bottom of
all mounting shelves is at 0.04 in. (0.02 U) above a "U" division.
Table 29: Open-Frame Rack Mounting Hole Locations
Hole Distance Above "U" Division
59 34.13 in. (86.7 cm)
53 30.63 in. (77.8 cm)
50 28.88 in. (73.3 cm)
44 25.38 in. (64.5 cm)
41 23.63 in. (60.0 cm)
35 20.13 in. (51.1 cm)
32 18.38 in. (46.7 cm)
31 17.75 in. (45.1 cm)
To install the large mounting shelf (see Figure 54 on page 91) in an open-frame rack:
On the rear of each rack rail, partially insert a mounting screw into the lowest hole
1.
specified in Table 29 on page 90 for the large shelf.
Install the large shelf on the rack. Rest the bottom slot of each flange on a mounting
2.
screw.
Partially insert screws into the open holes in the flanges of the large shelf.
3.
Tighten all the screws completely.
4.
Large Shelf
19.50 U
X
17.50 U
X
16.50 U
X
14.50 U
X
13.50 U
X
11.50 U
X
10.50 U
X
10.14 U X
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