H3C S5120-HI Series Installation Manual page 28

a. Unpack the grounding cable and grounding screws.
b. Align the two-hole grounding lug at one end of the cable with the grounding holes of the
grounding point, insert the grounding screws into the holes, and tighten the screws with a
screwdriver to attach the grounding lug to the chassis, as shown in
Figure 25 Attaching the grounding cable to the chassis
6. Attach the slide rails to the rack:
a. Identify the rack attachment position for the slide rails.
b. Install cage nuts (user-supplied) in the mounting holes in the rack posts.
c. Align the screw holes in one slide rail with the cage nuts in the rack post on one side, and use
M6 screws (user supplied) to attach the slide rail to the rack, as shown in
d. Repeat the preceding step to attach the other slide rail to the rack post on the other side.
Keep the two slide rails at the same height so the slide rails can attach into the chassis rails.
Figure 26 Installing the slide rails
7. Mount the switch in the rack:
a. Verify that the front mounting brackets and chassis rails have been securely attached to the
switch chassis.
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Figure 25.
Figure 26.