3Com 7608 User manual

Copyright © 2006 3Com Corporation. All rights reserved. 3Com and the 3Com logo are registered
trademarks of 3Com Corporation. All other company and product names may be trademarks of the
respective companies with which they are associated.
Part Number 10015152 Rev. AA
Published May 2006
Quick Start Guide
3Com Wireless 8760
Dual-radio 11a/b/g PoE Access Point
3CRWE876075 / WL-546
Guide de mise en route…11
Français
Guida introduttiva…21
Italiano
Kurzanleitung…31
Deutsch
Guía de inicio rápido…41
Español
Guia de Início Rápido…51
Portuguese
Snabbstartguide…61
Svenska

Quick Start Guide
3Com Wireless 8760
Dual-radio 11a/b/g PoE Access Point
3CRWE876075 / WL-546
The 3Com Wireless 8760 Dual-radio 11a/b/g PoE Access Point combines high-performance,
interoperability, and ease of-use to join isolated wired networks into a cohesive wireless local area
network (WLAN). The Wireless 8760 Access Point also includes robust standards-based security
features, and supports wireless network standards including 802.11a and 802.11g.
This Quick Start Guide describes the basic steps necessary to install and configure your 3Com
Wireless 8760 Dual-radio 11a/b/g PoE Access Point (3CRWE876075 / WL-546). Throughout this
guide the Wireless 8760 Access Point is simply referred to as the Access Point.
Before installing or moving the Access Point you must read the safety information provided in
“Safety Information” on page 3 of this manual.
About This Guide
This guide describes the basic installation of the Access Point. It covers the following topics:
•3Com Wireless 8760 Access Point Features
•Safety Information
•Step 1: Unpacking the Access Point
•Step 2: Preparing for Installation
•Step 3: Attaching the Antennas
•Step 4: Mounting the Access Point
•Step 5: Connecting Power
•Step 6: Checking the LED Indicators
•Step 7: Installing Software
•Step 8: Connecting to the Access Point
•Step 9: Configuring the Access Point
•Troubleshooting

2
3Com Wireless 8760 Access Point Features
Feature Description
1Antenna
Connectors
Two RSMA type antenna connectors allow you to connect antennas
that operate in 2.4 GHz and 5.0 GHz bands.
2LEDs The LEDs indicate power and activity. See “Checking the LED
Indicators” on page 8 for details.
3Ethernet Port The Ethernet port provides a 10/100BASE-TX Ethernet connection to a
3Com switch. Use a suitable Category 5 cable with straight-through
signaling and standard RJ-45 connectors to connect your Access Point
to the switch on the network.
4Serial Port Provides a serial interface to the Access Point for diagnostic use.
5Reset Button To restore factory settings, press the reset button during power-up by
inserting a pointed object into the reset hole on the back of the
Access Point and holding for five seconds.
6Kensington lock connector
7Detachable rear-panel cover
8Mounting Bracket The mounting bracket comes attached to the Access Point and allows
the unit to be mounted on a wall or ceiling.
2
6
43
1
5
78
1

3
Safety Information
This equipment must be installed in compliance with local and national building codes, regulatory
restrictions, and FCC rules. For the safety of people and equipment, only professional network
personnel should install the Access Point.
You must read the following safety information carefully before you install or remove the
unit.
Approved Channels
Use of this product is only authorized for the channels approved by each country. For proper
installation, select your country from the country selection list.
To conform to FCC and other country restrictions your product may be limited in the channels that
are available. If other channels are permitted in your country please visit the 3Com web site for the
latest software version.
www.3Com.com
WARNING: Warnings contain directions that you must follow for your personal safety.
Follow all directions carefully.
WARNING: Exceptional care must be taken during installation and removal of the unit.
WARNING: The socket outlet must be near to the unit and easily accessible. You can
only remove power from the unit by disconnecting the power cord from the outlet.
WARNING: This unit operates under SELV (Safety Extra Low Voltage) conditions
according to IEC 950 / IEC 60950. The conditions are only maintained if the equipment
to which it is connected also operates under SELV conditions.
WARNING: There are no user-replaceable fuses or user-serviceable parts inside the
unit. If you have a physical problem with the unit that cannot be solved with problem
solving actions in this guide, contact your supplier.
WARNING: Disconnect the power adapter before moving the unit.
WARNING: RJ-45 ports. These are shielded RJ-45 data sockets. They cannot be used
as standard traditional telephone sockets, or to connect the unit to a traditional PBX or
public telephone network. Only connect RJ-45 data connectors, network telephony
systems, or network telephones to these sockets.
Either shielded or unshielded data cables with shielded or unshielded jacks can be
connected to these data sockets.
WARNING: To comply with FCC radio frequency (RF) exposure limits, a minimum
body-to-antenna distance of 20 cm (8 in.) must be maintained when the Access Point is
operational.

4
Informacje na temat bezpieczeñstwa
Urządzenie musi byćzamontowane zgodnie z lokalnymi i krajowymi normami, ustawami
i przepisami. W celu zagwarantowania bezpieczeństwa osób i urządzeń, instalacjęPunktu
dostępowęgo może przeprowadzaćwyłącznie wyszkolony fachowiec ds. sieci.
Przed przystąpieniem do montażu lub demontażu urządzenia należy dokładnie przeczytać
następujące informacje dotyczące bezpieczeństwa.
OSTRZEŻENIE: Ostrzeżenia zawierająwskazówki, których należy przestrzegać
w celu zagwarantowania bezpieczeństwa osobistego. Do tych zaleceńnależy
stosowaćsiędokładnie.
OSTRZEŻENIE: Podczas montażu lub demontażu urządzenia należy pracować
z wyjątkowąuwagą.
OSTRZEŻENIE: Gniazdo sieciowe powinno znajdowaćsięw pobliżu urządzenia
i byćłatwo dostępne. Z urządzenia można odciąć zasilanie wyłącznie poprzez
wyjęcie kabla zasilającego z gniazda.
OSTRZEŻENIE: Urządzenie działa w warunkach SELV (obwód bezpiecznego
niskiego napięcia) zgodnie z normąIEC 950 / IEC 60950. Warunki te sąjednak
zagwarantowane wyłącznie wtedy, gdy sprzęt, do którego podłączone jest
urządzenie, równieżpracuje w obwodzie SELV.
OSTRZEŻENIE: Wewnątrz urządzenia nie znajdująsięwymienne bezpieczniki lub
części, które mogłyby byćoddane do naprawy. W przypadku wystąpienia problemu,
którego nie można rozwiązaćza pomocąwskazówek podanych w tej instrukcji
obsługi, prosimy o kontakt z dostawcąproduktu.
OSTRZEŻENIE: Przed przeniesieniem urządzenia należy odłączyćzasilacz.
OSTRZEŻENIE: Porty RJ-45. Sąto ekranowane gniazda RJ-45 do danych. Nie są
przeznaczone do użycia jako standardowe gniazda telefoniczne lub do podłączenia
urządzenia do PBX lub publicznej sieci telefonicznej. Do tych gniazd wolno
podłączaćwyłącznie wtyki RJ-45 danych, systemów telefonii sieciowej lub telefonów
sieciowych.
Do tych gniazd można podłączaćkable danych ekranowane lub nieekranowane
z ekranowanymi lub nieekranowanymi wtykami.
OSTRZEŻENIE: W związku w ograniczeniami częstotliwości radiowej (RF),
minimalna odległość między ciałem a antenąwynosząca 20 cm (8 cali) musi być
zachowana w przypadku stosowania Punkt dostępowy.

5
1. Unpacking the Access Point
Make sure that you have the following items, which are included with the Access Point:
•One 3Com Wireless 8760 Dual-radio 11a/b/g PoE Access Point
•Two external dual-band antennas (2.4 GHz and 5.0 GHz)
•One PoE (Power over Ethernet) injector
•One Ethernet cable
•Mounting bracket (attached to the Access Point)
•Four adhesive rubber feet (used for a flat-surface installation).
•One CD-ROM containing the Setup Wizard software, the User’s Manual, and a copy of this
Quick Start Guide.
•One Warranty Flyer
2. Preparing for Installation
It is advisable to connect and check the Ethernet cable and LEDs before installing the Access Point
in a hard-to-reach location. Additionally, observe the following items before mounting or
connecting the Access Point:
3. Attaching the Antennas
Carefully unpack the standard detachable antennas that came with your Access Point. Thread
each antenna onto an antenna connector on the Access Point and hand-tighten them. After
network startup, you may need to adjust the antennas to fine-tune coverage in your area.
For best results, adjust the antennas so they are perpendicular to the floor and ceiling.
Feature Description
Switch Port To connect your wireless network to your wired network, you need a
hub or switch connected to the Access Point.
Cabling Make sure that standard Ethernet cable with straight-through
signaling is installed at the site before you install the Access Point.
Make sure that the cable is highly flexible and that there is no extra
covering on the RJ-45 connector that could prevent the cable from
being routed through the mounting bracket.
Power Requirement Power is supplied using an 802.3af Power Over Ethernet (PoE)
compliant device. A PoE injector is included.
MAC Address Record the access point MAC address in a safe place before the
Access Point is installed in a hard-to-reach location.
The MAC address is printed on the back of the Access Point.
CAUTION: Do not handle the antenna tips, especially after they are connected to the
Access Point. This could lead to electrostatic discharge (ESD), which could damage the
equipment.

6
4. Mounting the Access Point
The access point can be mounted on the following types of surfaces:
•Wall, ceiling, or electrical box (NEMA enclosure)
•Tabletop
Wall, Ceiling, or Electrical Box Mounting
Use the mounting bracket that comes with your Access Point to install it on a wall, ceiling, or
electrical box.
To wall-mount the Access Point:
1Route Ethernet cable through the opening in the cradle.
2Screw the mounting bracket to a wall, ceiling, or electrical box (NEMA enclosure):
•If mounting to a solid surface wall or ceiling, use the two sheet metal screws.
•If mounting to drywall, use the two sheet metal screws and two wall anchors.
•If mounting to an electrical box (NEMA enclosure), use the two threaded screws.
The figures below show a cable being routed through the large opening in the cradle and
then the cradle being mounted to a wall.
3Connect the Ethernet cable (for power and network connection) to the port on the rear of
the Access Point.
4Twist the Access Point onto the mounting bracket.
Tabletop Mounting
To install the Access Point on a flat surface such as a table or desktop:
1Remove the backing from the four rubber feet and attach them on the bottom of the
Access Point.
2Place the Access Point on the table.
3Connect the Ethernet cable (for power and network connection) to the port on the rear of
the Access Point.
Wall-mounting the cradleRouting a cable

7
5. Connecting Power
The Access Point can be powered by the following methods:
•By Power Over Ethernet (PoE) supplied over the LAN by a 802.3af PoE compliant device such
as a switch or hub.
•By PoE supplied by the PoE injector included with the Access Point.
Power Over Ethernet (PoE) from the LAN
To power the Access Point using PoE provided by a switch or other 802.3af compliant device,
simply plug the network cable from the device into the Access Point’s Ethernet port.
Power Over Ethernet from a PoE Injector
To power the Access Point using the 3Com PoE Injector (included with the unit), do the following:
1Connect the LAN cable from the switch or hub to the Hub/Switch port on the 3Com PoE
Injector (included with Access Point).
2Next connect a LAN cable from the Ethernet port on the Access Point to the other port on
the PoE injector.
3Plug the PoE Injector into a properly grounded electric outlet.
PoE Switch/Hub
Access Point
3CRWX120695A WirelessLANSwitch WX1200
3CRWX120695A WirelessLANSwitch WX1200
TO ACCESS POINT
TO HUB/SWITCH
Switch/Hub
(non-PoE)
Access Point
To Access Point
To Switch/Hub

8
6. Checking the LED Indicators
When the Access Point is connected to power, LEDs indicate activity as follows:
7. Installing Software
The following applications and documents are included on the 3Com CD-ROM:
•Wireless Infrastructure Device Manager
•User manual
•This Quick Start Guide
You need to install the Wireless Infrastructure Device Manager software (WIDMan) on your
computer to discover and configure the Access Point.
1Turn on your computer.
2Insert the 3Com Installation CD into the CD-ROM drive.
The CD menu appears. If it does not appear, you can start the Setup menu from the
Windows Start menu. For example: Start > Run > d:setup.exe.
3On the menu, click Utilities.
4On the next screen, double-click 3Com Wireless Infrastructure Device Manager and then
click Install to install it.
LED Color Indicates
Power Green Power On
Amber Flashing indicates a hardware failure,
or the system is booting.
Off Power Off
11a Green Indicates that 802.11a 5.0 GHz
wireless networking is enabled. If the
LED is flashing, the wireless link is OK
and data is being transmitted or
received.
Off The radio is off
11b/g Green Indicates that 802.11g 2.4 GHz
wireless networking is enabled. If the
LED is flashing, the wireless link is OK
and data is being transmitted or
received.
Off The radio is off
LAN Green Indicates a 10/100Base-T network is
detected at the Ethernet port. If the
LED is flashing, the link is OK and
data is being transmitted or received.
Off No link