Table 77: Mounting Hole Locations For Installing A Ptx5000 Open-Frame Rack; Table 78: Mounting Hole Locations For Installing A Chassis In An Open-Frame - Juniper PTX5000 Hardware Manual

PTX5000 Packet Transport Router Hardware Guide
170
To install cage nuts in an open-frame rack:
On the rear side of both rack rails, insert cage nuts in the holes specified for the
1.
open-frame mounting shelf (see
On the front side of both rack rails, insert cage nuts in the holes specified for mounting
2.
the chassis (see Table 78 on page
Table 77: Mounting Hole Locations for Installing a PTX5000 Open-Frame
Rack Shelf
Hole Distance Above U Division
30 17.25 in. (43.8 cm)
27 15.5 in. (39.4 cm)
21 12.0 in. (30.5 cm)
15 8.5 in. (21.6 cm)
9 5.0 in. (12.7 cm)
3 1.5 in. (3.8 cm)
The holes in the center-mounting brackets are spaced at 3 U (5.25 in. or 13.3 cm).
Table 78: Mounting Hole Locations for Installing a Chassis in an
Open-Frame Rack
Hole Distance Above U Division
104 60.38 in. (153.4 cm)
95 55.13 in. (140.0 cm)
86 49.88 in. (126.7 cm)
77 44.63 in. (113.3 cm)
68 39.38 in. (100.0 cm)
59 34.13 in. (86.7 cm)
50 28.88 in. (73.3 cm)
41 23.63 in. (60.0 cm)
32 18.38 in. (46.7 cm)
Table 77 on page 170).
170).
9.86 U
8.86 U
6.86 U
4.86 U
2.86 U
0.86 U
34.50 U
31.50 U
28.50 U
25.50 U
22.50 U
19.50 U
16.50 U
13.50 U
10.50 U
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