H3C Technologies H3C S12500-X Series Switches - Manual (Page 28)

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Figure 14 Installed slide rails
Installing cage nuts for attaching mounting brackets
Before mounting the chassis in the rack, install cage nuts on the front rack posts for attaching the
mounting brackets:
1. As shown in Figure 15 and Figure 16 , align the bottom edge of a mounting bracket with the top
flange of a slide rail. Then mark the cage nut installation holes on the front rack post.
The switch comes with the mounting brackets installed. To determine the cage nut installation holes,
remove a mounting bracket from the switch. You can also directly count the square holes from the
top flange of a slide rail, as shown in
Figure 15 and Figure 16 .
2. Perform the same step to mark the cage nut installation holes on another front rack post.
3. Install cage nuts in the square holes in the front rack posts, as shown in Figure 12 .