H3C S5500-HI Switch Series Installation Manual page 20

Figure 12 Attaching the front mounting brackets and load-bearing screws to the chassis
3. Attach the rear mounting brackets to the rack:
a. Unpack the rear mounting brackets.
b. Install cage nuts (user-supplied) in the mounting holes in the rear rack posts.
c. Attach the rear mounting brackets to the rear posts with M6 screws (user supplied), as shown
in Figure 13.
Figure 13 Attaching the rear mounting brackets to a rack
4. Mount the switch chassis in the rack:
a. One person supports the chassis bottom with one hand, holds the front part of the chassis with
the other hand, and pushes the chassis into the rack gently.
Make sure the load-bearing screws closely contact with the upper edges of the rear mounting
brackets, as shown in
b. The other person aligns the oval holes in the front brackets with the mounting holes in the front
rack posts, and attaches the front mounting brackets with M6 screws (user supplied) to the front
rack posts.
Figure 14.
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