3Com SECPATH U200-CS Installation Manual page 43

Figure 4-3 Rack-mounting brackets for the U200-A/U200-M
(1) Left front rack-mounting bracket
Before mounting the device in a rack, attach the rack-mounting brackets securely to the left and right
front sides of the device, the U200-S for example, as shown in Figure 4-4.
Figure 4-4 Attach front rack-mounting brackets to the U200-S
Mounting the device in a rack
Follow these steps to mount the device in a rack:
Step1 Check that the rack is well grounded and steady.
Step2 Fix the device in the rack horizontally and securely by fastening the mounting brackets onto the front
rack posts with pan-head screws. The size of the pan-head screws should satisfy the installation
requirements (maximally M6) and the surfaces of the screws should be anti-rust treated.
Take the U200-S for example:
(2) Right front rack-mounting bracket
4-3