3Com Router WL-602 User Manual

							2
INSTALLING THE ROUTER
IntroductionThis chapter will guide you through a basic installation of the Router, 
including:
■Connecting the Router to the Internet.
■Connecting the Router to your network.
■Setting up your computers for networking with the Router.
Safety InformationPlease note the following:
WARNING: Please read the Safety Information
 section in Appendix C 
before you start.
VORSICHT: Bitte lesen Sie den Abschnitt Wichtige Sicherheitshinweise
 
sorgfältig durch, bevor Sie das Gerät einschalten.
AVERTISSEMENT: Veuillez lire attentivement la section Consignes 
importantes de sécurité avant de mettre en route.
Positioning the 
RouterYou should place the Router in a location that:
■is conveniently located for connection to external ADSL or Cable 
modem. 
■is centrally located to the wireless computers that will connect to the 
Router. A suitable location might be on top of a high shelf or similar 
furniture to optimize wireless connections to computers in both 
horizontal and vertical directions, allowing wider coverage.
■allows convenient connection to the computers that will be connected 
to the four LAN ports on the rear panel, if desired.
■allows easy viewing of the LED indicator lights, and access to the rear 
panel connectors, if necessary. 
						

							20CHAPTER 2: INSTALLING THE ROUTER
When positioning your Router, ensure:
■It is out of direct sunlight and away from sources of heat.
■Cabling is away from power lines, fluorescent lighting fixtures, and 
sources of electrical noise such as radios, transmitters and broadband 
amplifiers.
■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 recommends you provide a minimum of 
25 mm (1 in.) clearance.
Using the Rubber
FeetUse the four self-adhesive rubber feet to prevent your Router from 
moving around on your desk or when stacking with flat top units. Only 
stick the feet to the marked areas at each corner of the underside of your 
Router.
Please be careful when you put 3COM Router on top of another unit, if 
the unit underneath is hot, this may impact the reliability of 3Com Router. 
Wall MountingThere are two slots on the underside of the Router that can be used for 
wall mounting. The Router must be mounted with the LEDs facing 
upwards.
When wall mounting the unit, ensure it is within reach of the power 
outlet. When wall mounting the unit, ensure that the rubber feet are not 
fixed. 
Mounting
Instructions for
Cement WallsTo wall mount the unit:
1Make two holes 100 mm (3.9 in.) apart and insert two nylon or similar 
screw anchors that are suitable for the wall construction.
2Fix two suitable screws into the anchors, leaving their heads 3 mm (0.12 
in.) clear of the wall surface. The screws should be at least 30 mm (1.2 
in.) long. 
3Remove any connections in the Router and locate it over the screw heads. 
When in line, gently push the Router on to the wall and move it 
downwards to secure. 
						

							Powering Up the Router21
Mounting
Instructions for Wood
WallsTo wall mount the unit:
1Make two holes 100 mm (3.9 in.) apart.
2Fix two suitable screws directly into the wall, leaving their heads 3 mm 
(0.12 in.) clear of the wall surface. The screws should be at least 20 mm 
(0.75 in.) long. 
3Remove any connections in the Router and locate it over the screw heads. 
When in line, gently push the Router on to the wall and move it 
downwards to secure.
CAUTION: When making connections, be careful not to push the Router 
up and off the wall.
Powering Up the 
RouterTo power up the Router:
1Plug the power adapter into the power adapter socket located on the 
back panel of the Router.
2Plug the power adapter into a standard electrical wall socket.
Connecting the 
RouterTo install your Router, simply connect it to your DSL/Cable modem, and 
then connect the Router to a computer in order to be able to access the 
Internet. Follow these simple steps: 
1Using RJ-45 cable to connect the WAN port of the Router with the 
DSL/Cable modem. 
2Using RJ-45 cable to connect one PC with the LAN port the Router. 
You have now completed the hardware installation of your Router. Next 
you need to set up your computers so that they can make use of the 
Router to communicate with the Internet.
3Com recommends that you perform the initial Router configuration 
from a computer that is directly connected to one of the LAN ports. 
If you configure the Router from a wireless computer, note that you may 
lose contact with the Router if you change the wireless configuration. 
						

							22CHAPTER 2: INSTALLING THE ROUTER
To communicate wirelessly with your Router, your wireless NIC should be 
set as follows:
■Encryption — none
■SSID — 3Com 
■Channel — 11
This following figure shows a typical network configuration for 3Com 
Wireless 11n Cable/DSL Firewall Router. 
Figure 5   Network Configuration for the Router  
						

							3
SETTING UP YOUR COMPUTERS
The Router has the ability to dynamically allocate network addresses to 
the computers on your network, using DHCP. However, your computers 
need to be configured correctly for this to take place. To change the 
configuration of your computers to allow this, follow the instructions in 
this chapter.
Obtaining an IP 
Address 
Automatically
Windows 2000If you are using a Windows 2000-based computer, use the following 
procedure to change your TCP/IP settings:
1From the Windows Start Menu, select Settings > Control Panel.
2Double click on Network and Dial-Up Connections.
3Double click on Local Area Connection.
4Click on Properties.
5A screen similar to Figure 6 should be displayed. Select Internet Protocol 
TCP/IP and click on Properties. 
						

							24CHAPTER 3: SETTING UP YOUR COMPUTERS
Figure 6   Local Area Properties Screen
6Ensure that the options Obtain an IP address automatically, and Obtain 
DNS server address automatically are both selected as shown in Figure 7. 
Click OK.
Figure 7   Internet Protocol (TCP/IP) Properties Screen
7Restart your computer. 
						

							Obtaining an IP Address Automatically25
Windows Vista
1From the Windows Start Menu, select Settings > Network.
2Click on Organize. Select Properties.
3Click on Manage network > Connections.
4Double click Local Area Connection. Select Properties and click continue.
5A screen similar to (Figure 8) should appear. Select Internet Protocol 
Version 6,Version 4 (TCP/IPv6,v4) and click on Properties.
Figure 8   Local Area Connection Properties Screen
6Ensure that the options Obtain an IPv6,v4 address automatically, and 
Obtain DNS servers address automatically are both selected as shown in 
(Figure 9). Click OK.
Figure 9   Internet Protocol Version 6 (TCP/IPv6) Properties Screen 
						

							26CHAPTER 3: SETTING UP YOUR COMPUTERS
Windows XP
1From the Windows Start Menu, select Control Panel.
2Click on Network and Internet Connections.
3Click on the Network Connections icon.
4Double click on LAN or High Speed Connection icon. A screen titled Local 
Area Connection Status will appear.
5Select Internet Protocol TCP/IP and click on Properties.
6Ensure that the options Obtain an IP address automatically, and Obtain 
DNS servers automatically are both selected. Click OK.
7Restart your computer.
MacintoshIf you are using a Macintosh computer, use the following procedure to 
change your TCP/IP settings:
1From the desktop, select Apple Menu, Control Panels, and TCP/IP.
2In the TCP/IP control panel, set Connect Via: to Ethernet.
3In the TCP/IP control panel, set Configure: to Using DHCP Server.
4Close the TCP/IP dialog box, and save your changes.
5Restart your computer. 
						

							Disabling PPPoE and PPTP Client Software27
Disabling PPPoE 
and PPTP Client 
SoftwareIf you have PPPoE client software installed on your computer, you will 
need to disable it. To do this:
1From the Windows Start Menu, select Settings > Control Panel.
2Double click on Internet Options.
3Select the Connections Tab. A screen similar to Figure 10 should be 
displayed.
4Select the Never dial a connection option.
Figure 10   Internet Properties Screen
You may want to remove the PPPoE client software from your computer 
to free resources, as it is not required for use with the Router.
Disabling Web 
ProxyEnsure that you do not have a web proxy enabled on your computer.
Go to the Control Panel and click on Internet Options. Select the 
Connections tab and click LAN Settings at the bottom. Make sure that 
the Use Proxy Server option is unchecked. 
						

							28CHAPTER 3: SETTING UP YOUR COMPUTERS