Juniper PTX5000, Hardware Manual

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Installing the PTX5000 Mounting Hardware for an Open-Frame Rack
IN THIS SECTION
Installing Cage Nuts, If Needed | 211
Installing the Open-Frame Rack Mounting Shelf | 212
Installing Cage Nuts, If Needed
Insert cage nuts, if needed, into the holes listed in Table 3 and Table 4 . The hole distances are relative to
the standard U division on the rack that is aligned with the bottom of the mounting shelf and rear
support bracket.
To install cage nuts in an open-frame rack:
1. On the rear side of both rack rails, insert cage nuts in the holes specified for the open-frame
mounting shelf (see Table 3 ).
2. On the front side of both rack rails, insert cage nuts in the holes specified for mounting the chassis
(see Table 4 ).
Table 79: Mounting Hole Locations for Installing a PTX5000 Open-Frame Rack Shelf
Hole Distance Above U Division
30 17.25 in. (43.8 cm) 9.86 U
27 15.5 in. (39.4 cm) 8.86 U
21 12.0 in. (30.5 cm) 6.86 U
15 8.5 in. (21.6 cm) 4.86 U
9 5.0 in. (12.7 cm) 2.86 U
3 1.5 in. (3.8 cm) 0.86 U
The holes in the center-mounting brackets are spaced at 3 U (5.25 in. or 13.3 cm).
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