Figure 56: Installing The Mounting Hardware For An Open-Frame Rack - Juniper T640 Hardware Manual

Copyright © 2013, Juniper Networks, Inc.
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.
Figure 4 on page 14 shows the front-mounting flanges.

Figure 56: Installing the Mounting Hardware for an Open-Frame Rack

Table 40 on page 98 specifies the mounting holes in which you insert the mounting screws
(an X indicates a mounting hole location), and cage nuts if needed. The hole distances
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.
Chapter 7: Installing the T640 Router Mounting Hardware
97