3com 4900 sx Guía De Instalación Rápida
18
C
HAPTER
2: I
NSTALLING
THE
S
WITCH
Package Contents
■
Switch 4900 SX (3C17702)
■
CD-ROM
■
Management Quick Reference Guide
■
Getting Started Guide (this guide)
■
Implementation Guide
■
Release Notes
■
Registration Information
■
Power Cord
■
2 x mounting brackets
■
6 x screws
■
4 x rubber feet
Choosing a Suitable
Site
Site
The Switch is suited for use in a network room, or telecommunications
room, where it can be mounted in a standard 19-inch equipment rack, or
free-standing. Alternatively, the Switch can be rack-mounted in a wiring
closet or equipment room. A rack-mounting kit, containing two
mounting brackets and six screws is supplied with the unit.
room, where it can be mounted in a standard 19-inch equipment rack, or
free-standing. Alternatively, the Switch can be rack-mounted in a wiring
closet or equipment room. A rack-mounting kit, containing two
mounting brackets and six screws is supplied with the unit.
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.
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
25 mm (1 in.) clearance.
side of the Switch. 3Com recommends that you provide a minimum of
25 mm (1 in.) 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.
temperature may be greater than room ambient temperature.
■
The air is as free from dust as possible.
17702ua.bk Page 18 Friday, April 6, 2001 3:31 PM