Rack-mounting 31
3 Insert the two screws and tighten with a suitable screwdriver.
Figure 12   Fitting a front bracket for rack-mounting
You must use the screws supplied with the securing brackets. Damage 
caused to the unit by using incorrect screws invalidates your warranty.
4 Repeat steps 2 and 3 for the other side of the Switch.
5 Insert the Switch into the 19-inch rack and secure with suitable screws 
(not provided). Ensure that ventilation holes are not obstructed.
6 Connect network cabling.
7 Finally, place a unit information label on the unit in an easily accessible 
position. The unit information label shows the following:
■ 3Com product name of the Switch
■ 3Com 3C number of the Switch
■ Unique MAC address (Ethernet address) of the Switch.
■ Serial number of the Switch
You may need this information if you contact 3Com Technical Support.