Table 29: T640 Open-Frame Rack Mounting Hole Locations - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
82

Table 29: T640 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 46 on page 83):
Install cage nuts, if needed, in the mounting holes specified in Table 29 on page 82.
1.
On the rear of each rack rail, partially insert a mounting screw into the lowest hole
2.
specified in Table 29 on page 82 for the large shelf.
Install the large shelf on the rack. Rest the bottom slot of each flange on a mounting
3.
screw.
Partially insert screws into the open holes in the ears of the large shelf.
4.
Tighten all the screws completely.
5.
Remove the mounting brackets from the chassis by loosening the screws at the top
6.
and bottom of each bracket.
The router is shipped with each spacer bar attached to the rear of each front-mounting
flange. Remove each spacer bar by removing the screws that fasten the spacer bar to
the front-mounting flange.
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
Copyright © 2010, Juniper Networks, Inc.