Brocade Communications Systems DCX-4S Backbone Installation Procedure page 14

Torque requirements
Use the following torque settings when tightening screws that secure the rack mount kit and DCX-4S to the
equipment cabinet.
TABLE 4
Torque requirements for mounting screws
Screw size Torque
6-32 x .25 in. (.635 cm) 8.75 in.-lbs (10 cm-kg)
Phillips screw
10-32 x .63 in.(1.60 cm) 32 in.-lbs (36.86 cm-kg)
Phillips screw
Install cabinet hardware
1. Determine how the DCX-4S can be oriented in the equipment cabinet so that the nonport side has access to
intake air (cool).
2. Install clip nuts (H in Figure 7 on page
shown in Figure 8 on page
shelf and DCX-4S to the cabinet. For rails with round holes, use clip nuts. For rails with square holes, use
retainer nuts. Note that
the shelf and DCX-4S. You may mount the shelf and DCX-4S in 9 U of cabinet space higher or lower in the
cabinet than shown.
FIGURE 8
Clip and retainer nut locations on cabinet rails
31
30
29
28
27
26
25
24
23
14 of 20
13) or retainer nuts (I in
14. These nuts will secure the 10-32 screws that mount the Port Side Exhaust Kit
Figure 8 on page 14 shows relative positions for these nuts in the cabinet rails to mount
Attaching Clip Nuts
for Round-Hole Rails
Clip or Retainer
Nut Locations
for DCX-4S
Clip or Retainer
Nut Locations
for Shelf
Figure 7 on page
Setup for Rails
with Square Holes
31
Retainer Nut
(Item G)
30
29
Rail
28
27
Rail
26
25
24
Note
23 Screws, clip nuts, and retainer nuts
for DCX-4S are provided in the
DCX-4S hardware accessory kit.
13) in cabinet rail locations
Port Exhaust Kit Installation Procedure
Publication Number: 53-1001181-04