53-1002177-19 Hardware Installation Guide
Brocade DCX 8510-4 Backbone Hardware Installation Guide
2. Duct
3. Shelf
4. 10-32 x .5 in. (1.27 cm) Phillips screw with blue Loctite on threads
5. 10-32 x .63 in.(1.60 cm) Phillips screw with square cone washer for racks that have rails with round holes
6. 10-32 clip nut for racks that have rails with round holes
7. 10-32 retainer nut for racks that have rails with square holes
8. Alignment washer for racks that have rails with square holes
9. 6-32 x .25 in. (.635 cm) Phillips screw
10. Top rail mounting brackets for 18-20 in., (45.72-50.8 cm) 20-22-in. (50.8-55.88 cm), and 22-24.in (55.88-60.96 cm)
racks
11. Shelf saddle
Torque requirements
Use the following torque settings when tightening screws that secure the rack mount kit and device to the rack.
Table 5: Torque requirements for mounting screws
Screw size Torque
6-32 x .25 in. (.635 cm) Phillips screw 8.75 in-lb (10 cm-kg)
10-32 x .63 in. (1.60 cm) Phillips screw 32 in-lb (36.86 cm-kg)
Assembling the rack hardware
1. Determine how the device can be oriented in the rack so that the non-port side has access to intake air (cool).
2. Install clip nuts (8 in Figure 7) or retainer nuts (9 in Figure 7) in rack rail locations shown in the following figure. These
nuts will secure the 10-32 screws that mount the rack kit's shelf and the device to the rack. For rails with round holes,
use clip nuts. For rails with square holes, use retainer nuts. Note that the following figure shows relative positions for
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