Installing The Mounting Hardware; Installing The T4000 Mounting Hardware For A Four-Post Rack Or Cabinet; Installing Cage Nuts, If Needed; Table 75: Four-Post Or Cabinet Rack Mounting Hole Locations - Juniper T4000 Hardware Manual

CHAPTER 16

Installing the Mounting Hardware

Installing the T4000 Mounting Hardware for a Four-Post Rack or Cabinet

Installing Cage Nuts, if Needed

Copyright © 2018, Juniper Networks, Inc.
Installing the T4000 Mounting Hardware for a Four-Post Rack or Cabinet on page 129
Installing the T4000 Mounting Hardware for an Open-Frame Rack on page 133
Installing Cage Nuts, if Needed on page 129
1.
Installing the Large Mounting Shelf on page 130
2.
Installing the Small Shelf on page 131
3.
Installing the Spacer Bars on page 132
4.
To install the cage nuts, if needed, in the mounting holes specified in
On the front rack rails, install cage nuts in the holes specified for the large shelf and
1.
the spacer bars.
On the rear rack rails, install cage nuts in the holes specified for the small shelf.
2.
The front-mounting flanges have holes for rack-mounting screws, spaced at 5.25 in.
(13.34 cm). Table 75 on page 129
(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. The bottom of all mounting
shelves is at 0.04 in. (0.02 U) above a U division.

Table 75: Four-Post or Cabinet Rack Mounting Hole Locations

Hole Distance Above U Division
60 34.75 in. (88.3 cm)
51 29.51 in. (74.9 cm)
42 24.26 in. (61.6 cm)
33 19.01 in. (48.3 cm)
specifies the holes in which you insert mounting screws
Large
Shelf
19.86 U
16.86 U
13.86 U
10.86 U
Table 75 on page 129:
Spacer Small
Bars Shelf
X
X
X
X
129