Brocade Communications Systems X6-4, Hardware Installation Manual, Page: 38 / 249

7. Install the top rail assembly.
a) Insert the top rail assembly (with the top rail inner bracket attached) down into the air duct assembly and then secure the
top rail assembly to the air duct assembly with two 6-32 screws, one screw on each side of the air duct assembly (see the
following figure).
b) Secure the top rail assembly to the rack.
For rails with round holes , use two 10-32 screws with washers (refer to Figure 3 on page 33) on each end of the top rail
assembly. Tighten the screws according to specifications under Torque requirements on page 33.
For rails with square holes , use the two standard 10-32 screws with blue Loctite on the threads and alignment washers
(refer to Figure 3 on page 33) on each end of the top rail assembly. Tighten the screws according to specifications under
Torque requirements on page 33.
FIGURE 8 Securing top rail in rack
1. Top rail
2. Duct
3. 6-32 x .25 in. (.635 cm) Phillips screws
4. 10-32 x .5 in. (1.27 cm) Phillips screws with blue
Loctite on threads and alignment washers or 10-32
x .63 in.(1.60 cm) Phillips screw with square cone
washer
Installing the 8U Chassis Airflow Diversion or Port Side Exhaust Kit for Four-Post Racks (XBR-DCX4S-0121 and XBR-DCX4S-0130)
Brocade X6-4 Director Hardware Installation Guide
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