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8
Connecting the Switch
WebView Switches
Chapter 3
Chapter 3:
Connecting the Switch
Overview
This chapter will explain how to connect network devices
to the Switch. For an example of a typical network
configuration, see the application diagram shown below.
Typical Network Configuration for the SRW2048
When you connect your network devices, make sure you
don’t exceed the maximum cabling distances, which are
listed in the following table:
Maximum Cabling Distances
From To Maximum Distance
Switch Switch or Hub 100 meters (328 feet)
Hub Hub 5 meters (16.4 feet)
Switch or Hub Computer 100 meters (328 feet)
A hub refers to any type of 100-Mbps hub, including regular hubs and †
stackable hubs. A 10-Mbps hub connected to another 10-Mbps hub
can span up to 100 meters (328 feet).
Before You Install the Switch...
When you choose a location for the Switch, observe the
following guidelines:
Make sure the Switch is accessible and that the cables •
can be easily connected.
Keep cabling away from sources of electrical noise, •
power lines, and fluorescent lighting fixtures.
Position the Switch away from water and moisture •
sources.
To ensure adequate air flow around the Switch, provide •
a minimum clearance of two inches (50 mm).
Do not stack free-standing Switches more than four •
units high.
Placement Options
There are two ways to physically install the Switch, either
set the Switch on its four rubber feet for desktop placement
or mount the switch in a standard-sized, 482.6-mm wide,
1U-high rack for rack-mount placement.
Desktop Placement
Attach the rubber feet to the recessed areas on the •
bottom of the Switch.
Place the Switch on a desktop near an AC power •
source.
Keep enough ventilation space for the switch and •
check the environmental restrictions mentioned in the
Specifications Appendix as you are placing the Switch.
Connect the Switch to network devices according to •
the Hardware Installation instructions below.
Rack-Mount Placement
When rack-mounting the Switch, please observe the
following guidelines
Elevated Operating Ambient • If installed in a closed
or multi-unit rack assembly, the operating ambient
temperature of the rack environment may be greater
than the room ambient temperature. Therefore,
consideration should be given to installing the
equipment in an environment compatible with the
maximum ambient temperature (Tma) specified by
the manufacturer.
Reduced Air Flow • Installation of the equipment
in a rack should be such that the amount of air flow
required for safe operation of the equipment is not
compromised.
Mechanical Loading • Mounting of the equipment in
the rack should be such that a hazardous condition is
not achieved due to uneven mechanical loading.
Circuit Overloading • Consideration should be given
to the connection of the equipment to the supply
circuit and the effect that overloading of the circuits
might have on overcurrent protection and supply
wiring. Appropriate consideration of equipment
nameplate ratings should be used when addressing
this concern.
Reliable Earthing • Reliable earthing of rack-mounted
equipment should be maintained. Particular attention
should be given to supply connections other than
direct connections to the branch circuit (for example,
use of power strips).
Internet
Cable/DSL
Modem Router
Server
Uplink via Fiber
to Switch
Wireless Access Point
10/100/1000
Desktop
10/100
Notebook