3Com SUPERSTACK 3 3226, Getting Started Manual

Page: 21 / 70

Rack-mounting 21
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The air is as free from dust as possible.
■
The unit is installed in a clean, air conditioned environment.
■
No more than eight Switch units are placed on top of one another, if
the units are free-standing.
■
The Switch is situated away from sources of conductive (electrical)
dust, for example laser printers.
■
The AC supply used by the Switch is separate to that used by units
that generate high levels of AC noise, for example air conditioning
units and laser printers.
Rack-mounting
The Switch is 1U high and will fit in most standard 19-inch racks.
CAUTION: Disconnect all cables from the Switch before continuing.
Remove all self adhesive pads from the underside of the Switch if they
have been fitted.
To rack-mount your Switch:
1 Place the Switch the right way up on a hard flat surface, with the front
facing towards you.
2 Locate a mounting bracket over the mounting holes on one side of the
Switch, as shown in Figure 5.
DUA1750-0AAA01.book Page 21 Friday, December 5, 2003 10:24 AM