Connecting a Redundant Power Supply 33
Figure 13 Fitting a rear rail bracket for rack-mounting
4 Insert the Switch into the 19-inch rack and secure with suitable screws
(not provided). Ensure that ventilation holes are not obstructed.
5 Connect network cabling.
6 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.
Connecting a
Redundant Power
Supply
The Switch 5500 Family has a -48V DC Redundant Power Supply socket.
WARNING: The installation of the Redundant Power Supply (RPS) should
only be carried out by properly trained and qualified personnel.
WARNING: These instructions must be read in conjunction with the RPS
flyer and the safety and installation instructions supplied with your RPS.
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