22 C
HAPTER
2: I
NSTALLING
THE
S
WITCH
Package Contents
■
Switch unit
■
CD-ROM
■
Getting Started Guide (this guide)
■
Management Quick Reference Guide
■
Release Notes
■
Unit Information Labels
■
Warranty Information
■
Power Cord
■
2 x Mounting brackets
■
4 x Screws
■
4 x Rubber feet
Choosing a Suitable
Site
The Switch is suited for use on a desktop, either free standing or
mounted in a standard 19-inch equipment rack. Alternatively, the Switch
can be mounted in a wiring closet or equipment room, as an aggregator
for other Hubs and Switches. A rack-mounting kit containing two
mounting brackets is supplied with the Switch.
CAUTION:
Ensure that the ventilation holes are not obstructed.
When deciding where to position the Switch, ensure that:
■
Cabling is located away from:
■
sources of electrical noise such as radios, transmitters and
broadband amplifiers.
■
power lines and fluorescent lighting fixtures
■
The Switch is accessible and cables can be connected easily.
■
Water or moisture cannot enter the case of the Switch.
■
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
25mm (1in.) clearance.
■
Air flow 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.
DUA1720-3AAA03_online.book Page 22 Monday, March 25, 2002 10:48 AM
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