Rack-mounting 21
If the Switch is installed in a 19-inch rack or closed assembly its local air
temperature may be greater than room ambient temperature.
■The air is as free from dust as possible.
■The switch is situated away from sources of conductive (electrical)
dust, for example, laser printers.
■The unit is installed in a clean, air conditioned environment.
■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.
■No more than eight Switch units are placed on top of one another, if
the units are free-standing.
Rack-mounting The Switch 4200 Family are 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:
1Place the Switch the right way up on a hard flat surface, with the front
facing towards you.
2Locate a mounting bracket over the mounting holes on one side of the
Switch, as shown in Figure 5.
DUA1730-0AAA03.book Page 21 Thursday, November 17, 2005 12:17 PM