3Com 2250 Switch User Manual


 
2
INSTALLING THE SWITCH
This chapter contains information that you need to
install and set up the Switch. It covers the following
topics:
Positioning the Switch
Rack-Mounting or Free-Standing
Supplying Power to the Switch
Connecting a Network Device
Connecting a Network Device
Performing Spot Checks
Before You Begin
WARNING: Safety Information. Before installing or
removing any components from the Switch or carry-
ing out any maintenance procedures, read the safety
information provided in Appendix B
of this guide.
AVERTISSEMENT: Consignes de sécurité. Avant
d'installer ou d'enlever tout composant du Switch ou
d'entamer une procédure de maintenance, lisez les
informations relatives à la sécurité qui se trouvent
dans Appendix B
(l'Appendice B) de ce guide.
WARNHINWEIS: Sicherheitsinformationen. Bevor
Sie Komponenten aus dem Switch entfernen oder
dem Switch hinzufuegen oder Instandhaltungsarbe-
iten verrichten, lesen Sie die Sicherheitsanweisungen,
die in Appendix B
(Anhang B) in diesem Handbuch
aufgefuehrt sind.
Positioning the Switch
The Switch is suitable for use in an office environment
where it can be free-standing or mounted in a stan-
dard 19-inch equipment rack.
Alternatively, the Switch can be rack-mounted in a
wiring closet or equipment room. A mounting kit,
containing two mounting brackets and four screws, is
supplied with the Switch.
When deciding where to position the Switch, ensure
that:
It is accessible and cables can be connected easily.
Cabling is away from sources of electrical noise.
These include lift shafts, microwave ovens, and air
conditioning units. Electromagnetic fields can
interfere with the signals on copper cabling and
introduce errors, therefore slowing down your net-
work.
Water or moisture cannot enter the case of the
unit.
Air flow around the unit and through the vents in
the side of the case is not restricted (3Com recom-