Brocade Communications Systems DCX-4S Backbone Installation Procedure page 17

FIGURE 11
Installing air duct into side slot on shelf
6. Install the top-rail inner bracket to the top-rail assembly:
a. Determine the size of the top-rail inner bracket that you will need to install on the top rail so that the top rail
will fit on the inside of the equipment cabinet rails. Remove the appropriate bracket from the accessory kit.
Note that the accessory kit contains three sizes, depending the depth of your equipment cabinet (B in
Figure 7 on page 13).
b. Secure the top-rail inner bracket to the top-rail assembly with two 6-32 screws (K-3 in
Tighten screws according to specifications under
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 (K-1 and K-2 in
b. Secure the top-rail assembly to the rack. Refer to
For rails with round holes
Use two 10-32 screws with washers (G in
screws according to specifications under
For rails with square holes
Use the two standard 10-32 screws (F in
alignment washers (J in
according to specifications under
Port Exhaust Kit Installation Procedure
Publication Number: 53-1001181-04
"Torque requirements"
Figure 7 on page 13). Also refer to
Figure 12 on page
Figure 7 on page
"Torque requirements"
Figure 7 on page
Figure 7 on page 13) on each end of the top rail assembly. Tighten screws
"Torque requirements"
on page 14.
Figure 12 on page
18.
13) on each end of the top rail assembly. Tighten
on page 14.
13) with blue Loctite on the threads and
on page 14.
Figure 7 on page 13).
18.
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