3com 5500-EI Quick Setup Guide
32
C
HAPTER
2: I
NSTALLING
THE
S
WITCH
■
Air flow is not restricted around the switch or through the vents in the
side of the switch. 3Com recommends that you provide a minimum of
25 mm (1 in.) clearance.
side of the switch. 3Com recommends that you provide a minimum of
25 mm (1 in.) clearance.
■
The air temperature around the switch does not exceed 40 °C (104
°
F).
If the switch is installed in a 19-inch rack or closed assembly, its local air
temperature may be greater than room ambient temperature.
temperature may be greater than room ambient temperature.
■
The air is as free from dust as possible.
■
The switch is situated away from conductive (electrical) dust sources;
laser printers, for example.
laser printers, for example.
■
The unit is installed in a clean, air conditioned environment.
■
The AC supply used by the switch is separate from the AC supply used
by units that generate high levels of AC noise; air conditioning units,
for example.
by units that generate high levels of AC noise; air conditioning units,
for example.
■
No more than four switch units are placed on top of one another if
the units are free-standing.
the units are free-standing.
Rack-mounting
The Switch 5500 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.
Remove all self adhesive pads from the underside of the switch if they
have been fitted.
CAUTION: If you use a shelf or support, ensure that it will not obstruct
the air flow through the switch’s side panels.
the air flow through the switch’s side panels.
Switch 5500 (non
PoE)
To rack-mount your Switch 5500 (non PoE):
1 Place the switch the right way up on a hard flat surface with the front
facing towards you.
2 Place a securing bracket over the mounting holes on one side of the front
of the switch, as shown in Figure 15.