H3C Technologies H3C SecPath M9000 Series - Manual (Page 17)

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Figure 4 Locating the cage nut installation positions on the rack post
(1) Middle of the narrower metal area between holes
3. Install six cage nuts in the square holes in each rack post, as shown in Figure 5 .
Figure 5 Installing a cage nut
4. Align the installation holes on the front end of the slide rail with the cage nuts on the front rack post,
and attach them with screws, as shown in
Figure 6 .
Figure 6 Attaching the slide rail to the rack
5. Keep the slide rail horizontally and adjust its length until the installation holes on the rear end of the
slide rail touch the cage nuts on the rear rack post. Then screw in screws and fasten.
Install a screw in each mounting hole of the slide rail to ensure its weight bearing capacity.