Connecting a Redundant Power Supply 35
Figure 16 Fitting a rear rail bracket for rack-mounting
4Insert the switch into the 19-inch rack and secure it with suitable screws
(not provided). Ensure that the ventilation holes are not obstructed.
5Connect the network cables.
6Place 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.
Connecting a Redundant Power Supply
The Switch 5500 Family has a -48V DC Redundant Power Supply socket.
WARNING: Only properly trained and qualified personnel should install
the Redundant Power Supply (RPS).
WARNING: Make sure to read these instructions in conjunction with the
RPS flyer and the safety and installation instructions supplied with your
RPS.
10014925-AD_S5500_GSG.book Page 35 Thursday, August 16, 2007 12:29 PM