5. Secure the top-rail assembly (A in Figure 39, page 130) to the air-duct assembly. (See Figure 43).
a. You can adjust the top-rail assembly to a length of 68.58 to 78.74 cm (27 to 31 inches) to
accommodate the cabinet size. To lengthen or shorten the top-rail assembly, loosen the two
6-32 screws (I-3 in Figure 39, page 130) and adjust the top-rail assembly to the desired
length. The length will be approximately the length of the adjustable shelf. Once adjusted,
tighten the two 6-32 screws.
b. Insert the top-rail assembly 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
(I-1 and I-2 in Figure 39, page 130). Tighten screws according to the specifications listed in
Table 28, page 130.
Figure 43 Securing the top-rail assembly in the cabinet
6. Secure the top-rail assembly to the cabinet with four 10-32 screws, two screws on each end of
the top-rail assembly.
• For rails with round holes—Use two 10-32 screws with washers (E in Figure 39, page 130)
on each end of the top-rail assembly.
• For rails with square holes—Use two standard 10-32 screws (D in Figure 39, page 130) with
blue Loctite on the threads and alignment washers (H in Figure 39, page 130) on each end
of the top-rail assembly.
Installing the DC04 SAN Director in the cabinet
CAUTION:
A fully populated DC04 SAN Director weighs 68 kg (150 lb) with four FC8-48 port cards installed
(192 ports) and requires a hydraulic or assisted lift to install it.
DC04 SAN Director Installation134
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