3Com 5500-EI Getting Started Guide - Page 33
Unique MAC address Ethernet address, 3Com 3C number
UPC - 662705498997
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Rack-mounting 33 3 Insert the two screws and tighten them with a suitable screwdriver. Figure 15 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 the ventilation holes are not obstructed. 6 Connect the network cabling. 7 Place a unit information label on the unit in an easily accessible position. The unit information label shows the switch's: ■ 3Com product name ■ 3Com 3C number ■ Unique MAC address (Ethernet address) ■ Serial number You may need this information if you contact 3Com for Technical Support.