H3C WX5540H Installation Manual page 18

Figure 9 Installing the weight-bearing screws
5. According to the device installation position in the rack, use screws and cage nuts to attach the
rear mounting brackets to the rear rack posts.
Figure 10 Installing rear mounting brackets
6. Supporting the bottom of the device with one hand and holding the front of the device with the
other, place the device slowly in the rack. Attach the front mounting brackets on the device to the
front rack posts with screws and cage nuts, as shown in
screws are in close contact with the upper edges of the rear mounting brackets.
Figure
11
11. Make sure the load-bearing