3Com 4800G Getting Started Manual page 35

Installing the Switch into a 19-Inch Cabinet 35
Figure 25 Effect diagram of front and rear mounting ear installation (1)
Rear panel
Rear square-holed bracket
Screw 1
Rear mounting ear
Screw 1: Load-bearing screw
6 Fix the other end of the front mounting ears to the front brackets with screws and
captive nuts and ensure that front and rear mounting ears have fixed the switch in
the cabinet securely, as shown in Figure 26.