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3Com OfficeConnect 3CDSG8 Installation Manual

Made by: 3Com
Type: Installation Guide
Category: Switch
Pages: 16
Size: 2.23 MB


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Managed Gigabit Switch 


Installation Guide


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About This Guide:

Thank you for purchasing the 3Com




Managed Gigabit Switch. This

high quality, Gigabit Ethernet Switch is an easy, efficient way of creating or expanding
an existing network and managing it centrally. The Switch’s Gigabit ports provide sup-
port for bandwidth intensive applications, and allow high speed connections to servers,
and to the rest of the network. An example configuration is shown in Figure 1.


Your OfficeConnect Gigabit Switch employs a number of initiatives to ensure your
product uses the least amount of power possible:

1. High Efficiency Power Adapter

The Power Adapter is a model specially designed to meet the Energy Star


ments for operating efficiency and also very low standby power when not connected
to the switch. These two features ensures your power adapter now uses substantially
less power than a conventional linear adapter.

2. Energy Saving Modes

Your OfficeConnect Gigabit Switch employs the latest technology to minimise the
amount of power it consumes. 
When a port on the switch is not connected to a cable, or the link partner is turned
off or removed, the switch reduces the power on that port until it is connected again. 
Also the switch detects the length of cable connected to its port and optimizes the
power on the port to reach the end device. Thus for shorter cables lengths it will
reduce the power output thereby achieving further reduction in power consumption.

You can be confident that your Switch will be taking the least amount of power but
still providing the performance that you have come to expect from OfficeConnect.

The Switch is compact and attractively designed for desktop use. It can be used with
other units in the OfficeConnect family, which include Cable/DSL gateways, wireless
devices, Fast Ethernet and Gigabit Ethernet switches. The OfficeConnect family is a
fully integrated system, enabling you to share computer resources, and take advantage
of new technologies as your network grows.

Your Package Contains:

• OfficeConnect Switch
• Power adapter for use with the Switch
• Four rubber feet
• This Installation Guide including Support and Safety Information
• CD Containing a User Guide and Application software
• Warranty flyer

About This Guide

This guide will use the term Switch when referring to the OfficeConnect managed
Gigabit Switch.


Dimensions and Operating Conditions



ISO 8802/3, IEEE 802.3, 802.3u


UL 60950-1, EN 60950-1, CSA 22.2 #60950-1, IEC60950-1


EN 55022 Class A, EN 55024, 
FCC Part 15 Class A* ICES-003 Class A


EN 60068 (IEC 68)

* Refer to Regulatory Notices in the Support and Safety Information Section.



225 mm (8.08 in)


135.4 mm (5.33 in)


27 mm (1.06 in)

Managed Gigabit
Switch 8

7.64W, 26.1 BTU/hr
power requriement






n = 1



w = 10


,  Fla

sh = A








it Sw




















On = 


Off = 











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OfficeConnect Managed Gigabit Switch - Front


Power LED


Indicates that the Switch is receiving power from the power adapter. If the LED is off
there may be a problem with the adapter.

Refer to Problem Solving.

2 Status 



This LED is used to indicate the status of the system. When this LED is green and not
flashing, the system is operating normally. When the switch is booting up and during
firmware upgrades the LED will flash green. If the system has failed the Power On Self
Test (POST) the LED will illuminate yellow. 

3  Module Active LED


This LED is used to indicate that an SFP module is inserted and is active.


Eight/ Port Status LEDs

Green (1000 Mbps link) / Yellow (10 or 100Mbps link)

If the LED is on, the link between the port and the next piece of equipment is OK. If
the LED is flashing, the link is OK and data is being transmitted or received. If the LED
is off, nothing is connected or the connected device is turned off, or there is a problem
with the connection (refer to the Problem Solving section).

5 Duplex 


Green (10/100/1000 Mbps, full duplex) /
Off (10/100 Mbps, half duplex)

OfficeConnect Managed Gigabit Switch - Rear

6  Power Adapter Socket

Only use the power adapter that is supplied with the Switch.

7 SFP 


1000BaseLX (3CSFP92) and 1000BaseSX (3CSFP91) transceivers are supported. Use
this interface to allow your Switch to connect across distances greater than 100m or
where electrical isolation is required. Appropriate multimode fiber cables will also be
required (not supplied).

SFP transceivers are hot-insertable and hot-swappable. You can remove them
from and inset them without having to power down the switch.

Use of non-3Com SFPs is not recommended. 3Com cannot guarantee 
operation of the switch if non-3Com SFPs are used.

8 Console 


Use the supplied DB-9 to RJ45 serial cable to connect to the switch’s command line
interface. Default Settings are 38,400 baud, 8 data bits, no parity, no flow control.

9 10BASE-T/100BASE-TX/1000BASE-T 


Use suitable TP cable with RJ-45 connectors. You can connect your Switch to a work-
station, or any other piece of equipment that has 10BASE-T/100BASE-TX/1000BASE-T
connectivity. Each port is capable of autosensing for 10 Mbps, 100 Mbps or 1000 Mbps
operation. All ports have an automatic MDI/MDIX feature, which means either
straight-through or crossover cable can be used to connect to any port.


Port Status

Green = 1000M,  Yellow = 10/100M,  Flash = Activity


 Managed Gigabit Switch













On = Full

Off = Half


















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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 net-
work telephones to these sockets.

Either shielded or unshielded data cables with shielded or unshielded jacks can be
connected to these data sockets.

VORSICHT: RJ-45-Portes.

Diese Portes sind geschützte Datensteckdosen. Sie dürfen weder wie normale 
traditionelle Telefonsteckdosen noch für die Verbindung der Einheit mit einem 
traditionellenm privatenm oder öffentlichenm Telefonnetzwerk gebraucht werden.
Nur RJ-45- Datenansclußhlüsse, Telefonnetzsysteme oder Netztelefone an diese
Steckdosen anschließen. Entweder geschützte oder ungeschützte Buchsen dürfen
an diese Datensteckdosen angeschlossen werden.

AVERTISSEMENT : Prises RJ-45 blindées.

Ces prises ne peuvent servir comme prises telephone standard et ne permettent pas
la connexion de l'appareil à un système PBX ni à un réseau téléphonique public.
N'y branchez que des prises RJ-45 mâles adaptées, ou des systèmes de réseaux
téléphoniques. Il est possible d'y brancher des câbles blindés ou non comportant
des prises de type Jack (blindées ou non).


Safety Information


Please read the ‘Important Safety Information’ section in the

Support and Safety Information sheet before you start.


Bitte lesen Sie den Abschnitt ‘Wichtige Sicherheitsinformationen’

sorgfältig durch, bevor Sie das Gerät einschalten.


Veuillez lire attentivement la section "Consignes 

importantes de sécurité" avant de mettre en route.

When positioning your Switch, 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 elec-

trical 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 Feet

Use the four self-adhesive rubber feet to prevent your Switch from moving around on
your desk, or when stacking with flat top OfficeConnect units. Only stick the feet to
the marked areas at each corner on the underside of your Switch.

Wall Mounting

There are two slots on the underside of the Switch that can be used for wall mount-
ing. The Switch must be mounted with the LEDs facing upwards. 

When wall mount-

ing 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 Walls

1  Make two holes 150 mm (5.9 in.) apart and insert two nylon or similar screw

anchors that are suitable for the wall construction.

2  Fix 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,

3  Remove any connections in the Switch and locate it over the screw heads. When in

line, gently push the Switch on to the wall and move it downwards to secure.

Mounting Instructions for Wood Walls

1  Make two holes 150 mm (5.9 in.) apart.
2  Fix 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,

3  Remove any connections in the Switch and locate it over the screw heads. When in

line, gently push the Switch on to the wall and move it downwards to secure.


When making connections, be careful not to push the Switch up

and off the wall.



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all mounting template

Managed Gigabit Switch 

150mm apart


Your Switch can operate in its default state, that is, you can install it and it will work
straight away (plug-and-play). However, to make full use of the features offered by the
Switch, and to change and monitor the way it works, you have to access the manage-
ment software that resides on the Switch. This is known as managing the Switch.
Managing the Switch can help you to improve the efficiency of the Switch and there-
fore the overall performance of your network.

IP Configuration

When the switch is powered up and connected to a network, the switch will obtain an
address from the DHCP server. If there is no DHCP server available, the switch will use
a default IP address of 169.254.xx.yy, where xx and yy are the last two bytes of the
MAC address. This default IP address is also printed on the label attached to the
underside of your switch.

Before you can manage your switch, you will need to determine it’s IP address to allow
a web browser to connect to it. You can do this either by connecting your workstation
to the console interface using the cable supplied, or using the 3Com Switch Detect
application that can be found on the CD that was supplied with the Switch.

Please follow the instructions below to determine and/or configure the IP address of
your switch.

Using the Console Interface

1. Connect the DB-9 to RJ-45 serial cable between your workstation (to it’s COM port)

and the Switch. Take care not to connect it to a data port on the Switch.

2. Using a terminal emulator program, for example HyperTerminal, connect to the

appropriate COM port on the workstation and ensure the following parameters are
set: 38400 baud, 8 data bits, no parity, 1 stop bit and no flow control.

3. If the Switch is not already powered up, power it up now and wait for the boot up

sequence to complete.

4. When the boot up sequence is completed, you will be presented with a login

prompt. The default username is admin. No password is required.

5. To show the IP address the switch is using, enter IP status and press Return. The

switch will display the IP address the switch is using. This address can now be used
in your preferred web browser to connect to the Switch User Interface. Use the
same username to log in.

6. If you want to manually assign an IP address, enter the following commands:

IP dhcp disable

and press Return

IP Setup <IP Address> <ipmask> <gateway>

and press Return

For example: 

IP Setup

You can now direct the web browser at the address.


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Using the 3Com Switch Detect Application

1. On the computer that is connected to your Switch (either directly or on a network

that is on the same subnet), insert the CD-ROM into its CD drive. If you have


enabled, you will be presented with a menu showing the contents of the


2. Select the 3Com Detect Application link to install the utility. Follow the onscreen


3. If the auto-run program does not start, you should browse to your CD-ROM drive,

go to the /

switch detect

directory and double click on 


. Follow the

prompts that will take you through the installation process. 

4. Once installed, the 3Com Switch Detect Application can be accessed from the

Windows Start/Programs list. 

5. When the 3Com Detect application starts, you will be see the Welcome Screen (see


6. If the computer has multiple network adapters, select the adapter that connects the

computer to the network or Switch, click "Next."

7. You will then be offered the choice of searching the same subnet that your PC is on

for a connected switch (default), or specifying an IP range. Note that specifying a
large range may take some time for the search to complete.

8. Once your Switch or Switches have been located, you will be presented with a list.

Select the switch to which you want to connect and click on "Open." Your default
Web browser will open and connect to the home page of the Switch.


Twisted Pair (TP) Cables

Cables can be shielded (screened) or unshielded. Cables must be Category 5 or above.
3Com recommends Category 5E or 6 cable for Gigabit connections. The maximum
length you can use is 100 m (328 ft).

Twisted Pair (TP) cable is very easy to use. To connect a TP cable, simply slot the con-
nector into the relevant RJ-45 Port. When a connector is fully in, its latch locks into
place. To disconnect the cable, push the connector’s latch in and remove it.

When one end of a TP cable is connected to the Switch and the other end is connect-
ed to the network interface card of a workstation or other device, the Switch will
automatically detect whether a straight-through or crossover cable is being used and
will compensate if required. The units will then autonegotiate to determine the fastest
possible link speed between them. This may take a few seconds and the outcome will
be reflected in the LEDs on the front of the Switch.

If the equipment connected to the Switch does not support autonegotiation or it
has been disabled, it must be configured to operate in half duplex mode.

Expanding Your Network

You can increase the number of workstations and other devices that can connect to
your network by adding OfficeConnect gateways and switches. The Switch has auto-
matic MDI/MDIX functionality. Simply plug in the cable and the Switch will automati-
cally detect which wiring practice has been followed and will compensate accordingly.



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The Switch has been designed to aid you when detecting and solving possible prob-
lems with your network. These problems are rarely serious; the cause is usually a dis-
connected or damaged cable, or incorrect configuration. If this section does not solve
your problem, contact your supplier for information on what to do next. 

Perform these actions first:

•  Ensure all network equipment is powered on.
•  Power each piece of network equipment off, wait about five seconds and then

power each one on.


Do not power the Switch off and then immediately on. Wait about

five seconds between power cycles.

Check the following symptoms and solutions:

Power LED not lit.

This is probably because the switch does not have power. Check the following:

•  Make sure the power lead from the power adapter is properly connected and the

cord is not damaged.

•  Ensure the power adapter is correctly fitted into the power outlet socket and that

the socket switch is turned on if applicable.

•  Ensure you are using only the 3Com power adapter supplied with the switch.

If there is still no power, contact 3Com Technical Support and ask for assistance.

Only use the power adapter supplied with the Switch or a replacement
OfficeConnect power adapter. Do not use any other power adapter.

For reference, the part number for the power adapter supplied for your region is:

3C number



US and Canada




Europe and Middle East




South Africa





Power LED lit but Status LED illuminated yellow.

This indicates that the switch is receiving power, but for some reason the switch is not
operational. This is most likely due to a problem with the operational software in the
unit not loading correctly. 

Refer to the diagnostic messages displayed on the command line interface (CLI) to
help identify the problem. If the software is corrupted, you can re-load the software
from the CLI. Please follow the instructions found in the User Guide for this Switch
which can be found on the on the CD which is supplied with your Switch or which
can be downloaded from 



If a software reload does not resolve the issue, contact 3Com Technical Support and
ask for assistance

Port Status LED not lit for a port that has a TP cable connected. 

After connection, it may take several seconds for the Port Status LEDs to illuminate. 

The Port Status LED should turn Green or Yellow, for each port that is connected.

If the Port Status LED is not lit after several seconds, ensure that the connected device
is powered on, that the TP cable is not damaged and that it is correctly inserted at
both ends.

You may find that a TP cable works when connected to the Switch, but does not work
if disconnected from the Switch and connected to another device. This may be
because the other device does not have the automatic MDI/MDIX feature.


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Support and 
Safety Information


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Important Safety Information


Warnings contain directions you must follow for your personal

safety. Follow all directions carefully.
You must read the following safety information before carrying out any installation
or removal of the unit, or any maintenance procedures.


Exceptional care must be taken during installation and removal of

the unit.


To ensure compliance with international safety standards this prod-

uct must only be used with a power supply that is approved in the country of use. 
The power supply output must be +12VDC, 1A minimum and the polarity of the
power supply output connector must comply with the marking on the unit.


Disconnect the power adapter before moving the unit.


This unit operates under SELV (Safety Extra Low Voltage) conditions

according to IEC 60950-1. The conditions are only maintained if the equipment to
which it is connected also operates under SELV conditions. 


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 tradi-
tional PBX or public telephone network. Only connect RJ-45 data connectors, net-
work 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.

Consignes de sécurité importantes 


Ces avertissements sont à respecter pour votre sécurité. 

Lisez-les attentivement. 

Vous devez impérativement lire les consignes de sécurité suivantes avant de procéder
à l’installation ou à la désinstallation du matériel, ou à toute activité d’entretien.


L’installation et la désinstallation du matériel nécessite une 

vigilance exceptionnelle.


Pour être conforme aux normes de sécurité internationales, ce

produit doit être utilisé exclusivement avec une alimentation aux normes du pays

La sortie de l’alimentation doit être de 12 V continus, 1A minimum, et les polarités
du connecteur de sortie doivent coïncider avec les indications figurant sur l’appareil.


Coupez systématiquement l’adaptateur secteur avant de

déplacer l’appareil.


Cet appareil fonctionne à très basse tension de sécurité (SELV,

Safety Extra Low Voltage) conformément à la norme IEC 60950-1. Pour ce faire, le
matériel auquel il est connecté doit également fonctionner sous SELV.


Ports RJ 45. Il s’agit de connecteurs de communication de

données blindés RJ 45. Il n’est pas possible de les utiliser comme prises téléphoniques
classiques ni de connecter l’appareil à un standard téléphonique classique ou à un
réseau téléphonique public. Seuls des connecteurs de réseau de données RJ 45, des
systèmes de téléphonie en réseau ou des téléphones réseau peuvent y être

Vous pouvez y brancher des câbles pour réseau de données blindés ou non pourvus
de prises jack blindées ou non aux extrémités.


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Wichtige Sicherheitsinformationen 


Warnhinweise enthalten Anweisungen, die Ihrer persönlichen

Sicherheit dienen. Befolgen Sie all diese Anweisungen mit größter Sorgfalt.

Lesen Sie unbedingt die folgenden Sicherheitsinformationen, bevor Sie eine
Installation oder Entfernung des Gerätes vornehmen bzw. Wartungen/
Instandhaltungen durchführen.


Bei der Installation und Entfernung des Gerätes ist mit äußerster

Sorgfalt vorzugehen.


Um die Übereinstimmung mit den internationalen

Sicherheitsstandards zu gewährleisten, darf dieses Produkt nur mit einer
Stromversorgung betrieben werden, die den Bestimmungen des jeweiligen Landes

Die Netzsteckdose muss +12VDC, 1A minimal haben und die Polarität des
Netzanschlusses muss der Kennzeichnung auf dem Gerät entsprechen.


Nehmen Sie vor dem Transport des Gerätes den Netzadapter ab.


Dieses Gerät arbeitet gemäß IEC 60950-1 mit Schutzkleinspannung

(SELV = Safety Extra Low Voltage). Dieser Schutz bleibt nur erhalten, wenn die
angeschlossene Anlage ebenfalls über SELV verfügt.


RJ-45 Anschluss. Dies sind abgeschirmte RJ-45-Datenbuchsen. Sie

können nicht als herkömmliche Standardtelefonbuchsen verwendet werden und
verbinden das Gerät nicht mit einer herkömmlichen Telefonanlage oder einem
öffentlichen Telefonnetz. Schließen Sie an diese Buchsen nur RJ-45-
Datenanschlüsse, Netzwerktelefonieanlagen oder Netzwerktelefone an.

An diese Datenbuchsen können abgeschirmte oder nicht abgeschirmte Stecker
angeschlossen werden.

Importanti informazioni di sicurezza 



Queste avvertenze precisano le direttive da seguire per la propria

sicurezza personale. Conformarsi con la massima attenzione a quanto precisato. 

Leggere con attenzione le informazioni relative alla sicurezza prima di procedere
all’installazione o alla rimozione dell’unità o a qualsiasi intervento di manutenzione.


E’ necessario prestare la massima attenzione durante l’instal-

lazione e la rimozione dell’unità.


Per garantire la piena conformità con gli standard di sicurezza

internazionali, il prodotto deve essere utilizzato con un’alimentazione approvata
nello specifico paese di utilizzo.

L’uscita dell’alimentazione deve essere +12V DC, 1A minimo e la polarità del 
connettore dell’uscita dell’alimentazione dovrà conformarsi con la marcatura 
riportata sull’unità.


Scollegare l’adattatore di alimentazione prima di spostare l’unità.


Quest’unità funziona in condizioni SELV (Safety Extra Low

Voltage)  conformemente a IEC 60950-1. Tali condizioni potranno essere man-
tenute solo se l’apparecchiatura a cui è collega funziona similmente in condizioni


Porte RJ-45. Si tratta di prese dati schermate RJ-45. Non potranno

essere utilizzate come prese telefoniche tradizionali o per collegare l’unità ad una
normale rete PBS o telefonica pubblica. Collegare a queste prese solo connettori 
RJ-45, sistemi di telefonia in rete o telefoni in rete.

A queste prese dati potranno essere collegati cavi dati schermati o meno con jack
schermati o meno.



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Información de seguridad importante 


Las advertencias contienen instrucciones que debe seguir para su

seguridad personal. Siga todas las instrucciones atentamente. 

Debe leer la siguiente información de seguridad antes de llevar a cabo la instalación
o extracción de la unidad, o cualquier procedimiento de mantenimiento.


Se debe extremar el cuidado durante la instalación y extracción

de la unidad.


Para asegurar la conformidad con los estándares de seguridad

internacionales, este producto sólo se puede usar con una fuente de alimentación
aprobada en el país de uso.

La salida de la fuente de alimentación debe ser de +12V CC, de 1A mínimo y la
polaridad del conector de salida de alimentación debe cumplir con la marca en la


Desconecte el adaptador de alimentación antes de desplazar la



Esta unidad opera bajo condiciones SELV (muy bajo voltaje de

seguridad) de acuerdo con la norma IEC 60950-1. Las condiciones sólo se
mantienen si el equipo al que está conectado también opera bajo condiciones SELV.


Puertos RJ-45 Son enchufes de datos RJ-45 blindados. No se

pueden usar en los tradicionales enchufes telefónicos estándar, o para conectar la
unidad a una red PBX tradicional o red telefónica pública. Conecte únicamente a
estos enchufes los conectores de datos RJ-45, sistemas de telefonías de red o 
teléfonos de red.

A estos enchufes de datos se pueden conectar cables blindados o no blindados con
tomas hembra blindadas o no blindadas.

Istotne Bezpieczeństwo Informacja  


Ostrzeżenia zawierają wskazówki, których należy przestrzegać w

celu zagwarantowania bezpieczeństwa osobistego. Do tych zaleceń należy
stosować się dokładnie. 

Przed przystąpieniem do instalacji, usuwania urządzenia lub jakichkolwiek 
czynności konserwacyjnych należy zapoznać się z instrukcjami bezpieczeństwa.


Podczas montażu lub demontażu urządzenia należy pracować z

wyjątkową uwagą.


Aby zapewnić zgodność z międzynarodowymi standardami 

bezpieczeństwa, produkt należy wyłącznie używać w połączeniu z zasilaczem
zatwierdzonym w danym kraju.

Gniazdo zasilania musi mieć parametry +12VDC, 1A minimum, a biegunowość
złącza wyjściowego musi być zgodna z oznaczeniami na urządzeniu.


Przed przeniesieniem urządzenia należy odłączyć zasilacz.


Urządzenie działa w warunkach SELV (obwód bezpiecznego niskiego

napięcia) zgodnie z normą IEC 60950-1. Warunki te są jednak zagwarantowane
wyłącznie wtedy, gdy sprzęt, do którego podłączone jest urządzenie, również
pracuje w obwodzie SELV.


Porty RJ-45. Są to 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 podłączać wyłącznie wtyki RJ-45 danych, systemów telefonii sieciowej
lub telefonów sieciowych.

Do tych gniazd można podłączać kable danych ekranowane lub nieekranowane z
ekranowanymi lub nieekranowanymi wtykami.


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It is the policy of 3Com Corporation to be environmentally-friendly in all operations. To
uphold our policy, we are committed to:

• Establishing environmental performance standards that comply with national legisla-

tion and regulations.

• Conserving energy, materials and natural resources in all operations.
• Reducing the waste generated by all operations.
• Ensuring that all waste conforms to recognized environmental standards.
• Maximizing the recyclable and reusable content of all products.
• Ensuring that all products can be recycled, reused and disposed of safely.
• Ensuring that all products are labelled according to recognized environmental 


• Improving our environmental record on a continual basis.

End Of Life Statement

3Com processes allow for the recovery, reclamation and safe disposal of all end-of-life
electronic components.

Regulated Materials Statement

3Com products do not contain any hazardous or ozone-depleting material.

Environmental Statement about the Documentation

The documentation for this product is printed on paper that comes from sustainable,
managed forests; it is fully biodegradable and recyclable, and is completely chlorine-
free. The varnish is environmentally-friendly, and the inks are vegetable-based with a
low heavy-metal content.

Environmental Statement about the Product Packaging

The packaging for this product is fully recyclable. It has a recycled (post consumer)
waste content of at least 40% by weight, and no heavy-metal content.

For further details please refer to


FCC Statement

This equipment has been tested and found to comply with the limits for a Class A 
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to 
provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses and can radi-
ate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. Operation of
this equipment in a residential area is likely to cause harmful interference to radio com-
munications, in which case the user will be required to correct the interface at their
own expense.

Information to the User

If this equipment does cause interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to cor-
rect the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna
• Relocate the equipment away from the receiver
• Move the equipment away from the receiver
• Plug the equipment into a different outlet so that equipment and receiver are on

different branch circuits.

How to identify and resolve radio-TV interference problems

This booklet is available from the U.S. Government Printing Office, Washington, 
DC 20402, Stock No. 004-000-00345-4

In order to meet FCC emissions limits, this equipment must be used only with cables
that comply with IEEE 802.3.



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ICES Statement

This Class A digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.

CE Statements (Europe)

EU Representative:

3Com Europe Limited
Peoplebuilding 2, Peoplebuilding Estate
Maylands Avenue
Hemel Hempstead, Hertfordshire
United Kingdom

This product complies with the European Low Voltage Directive 73/23/EEC as amended
by European Directive 93/68/EEC and EMC Directive 2004/108/EC.

Warning: This is a class A product. In a domestic environment this product may cause
radio interference in which case the user may be required to take adequate measures.

A copy of the signed Declaration of Conformity can be downloaded from the Product
Support web page at 


Also available at 


China RoHS


3Com offers product registration, case management, and repair services through
eSupport.3com. You must have a user name and password to access these services,
which are described in this appendix.

Register Your Product to Gain Service Benefits

To take advantage of warranty and other service benefits, you must first register your
product at: 


. 3Com eSupport services are based on

accounts that are created or that you are authorized to access.

Solve Problems Online

3Com offers the following support tool:

• 3Com Knowledgebase — Helps you to troubleshoot 3Com products. This query-

based interactive tool is located at: 


. It con-

tains thousands of technical solutions written by 3Com support engineers. 

Purchase Extended Warranty and Professional Services

To enhance response times or extend your warranty benefits, you can purchase value-
added services such as 24x7 telephone technical support, software upgrades, onsite
assistance, or advanced hardware replacement.

Experienced engineers are available to manage your installation with minimal disrup-
tion to your network. Expert assessment and implementation services are offered to fill
resource gaps and ensure the success of your networking projects. For more informa-
tion on 3Com Extended Warranty and Professional Services, see:


Contact your authorized 3Com reseller or 3Com for additional product and support
information. See the table of access numbers later in this appendix.

Access Software Downloads

You are entitled to bug fix / maintenance releases for the version of software that you
initially purchased with your 3Com product. To obtain access to this software, you
need to register your product and then use the Serial Number as your login. Restricted
Software is available at: 


To obtain software releases that follow the software version that you originally pur-
chased, 3Com recommends that you buy an Express or Guardian contract, a Software
Upgrades contract, or an equivalent support contract from 3Com or your reseller.
Support contracts that include software upgrades cover feature enhancements, incre-
mental functionality, and bug fixes, but they do not include software that is released
by 3Com as a separately ordered product. Separately orderable software releases and


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licenses are listed in the 3Com Price List and are available for purchase from your
3Com reseller. 

Contact Us

3Com offers telephone, internet, and e-mail access to technical support and repair
services. To access these services for your region, use the appropriate telephone num-
ber, URL, or e-mail address from the table in the next section. 

Telephone Technical Support and Repair

To obtain telephone support as part of your warranty and other service benefits, you
must first register your product at: 


When you contact 3Com for assistance, please have the following information ready:

• Product model name, part number, and serial number
• A list of system hardware and software, including revision level
• Diagnostic error messages
• Details about recent configuration changes, if applicable

To send a product directly to 3Com for repair, you must first obtain a return materials
authorization number (RMA). Products sent to 3Com without authorization numbers
clearly marked on the outside of the package will be returned to the sender
unopened, at the sender’s expense. If your product is registered and under warranty,
you can obtain an RMA number online at 


. First-time

users must apply for a user name and password.

Telephone numbers are correct at the time of publication. Find a current directory of
3Com resources by region at: 


Country Telephone 


Asia, Pacific Rim — Telephone Technical Support and Repair


1800 075 316 

Hong Kong

2907 0456 


000 800 440 1193 


001 803 852 9825


03 3507 5984 


1800 812 612 

New Zealand

0800 450 454


1800 144 10220 or 029003078 

P.R. of China

800 810 0504 


800 616 1463 

South Korea

080 698 0880 

Country Telephone 



00801 444 318 


001 800 441 2152

Pakistan Call the U.S. direct by dialing 00 800 01001, then dialing 800 763 6780 

Sri Lanka Call the U.S. direct by dialing 02 430 430, then dialing 800 763 6780 

Vietnam Call the U.S. direct by dialing 1 201 0288, then dialing 800 763 6780

You can also obtain non-urgent support in this region at this email address 


Or request a return material authorization number (RMA) by FAX using this number:
+61 2 9937 5048, or send an email at this email address:


Country Telephone 


Europe, Middle East, and Africa — Telephone Technical Support and Repair

From anywhere in these regions not listed below, call: +44 1442 435529

From the following countries, call the appropriate number:


0800 297 468 


0800 71429 


800 17309


0800 113153


0800 917959 


0800 182 1502


06800 12813 


1 800 553 117


180 945 3794


800 879489


800 23625 


0800 0227788 


800 11376 


00800 4411 357


800 831416 



Saudi Arabia

800 8 445 312

South Africa

0800 995 014 


900 938 919 


020 795 482


0800 553 072 



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Country Telephone 





0800 096 3266

You can also obtain support in this region using this URL:


You can also obtain non-urgent support in this region at these email addresses: 
Technical support and general requests: 


Return material authorization: 


Contract requests: 


Country Telephone 


Latin America — Telephone Technical Support and Repair


AT&T +800 988 2112

Antigua Barbuda

AT&T +800 988 2112


AT&T +800 988 2112


AT&T +800 988 2112


AT&T +800 988 2112


AT&T +800 988 2112


AT&T +800 988 2112


AT&T +800 988 2112


AT&T +800 988 2112


0800-133266 (0800-13-3COM)

Brasil Local

+5511 5643 2700

British Virgin Islands

AT&T +800 988 2112

Cayman Islands

AT&T +800 988 2112


AT&T +800 998 2112


AT&T +800 998 2112

Columbia Local

+571 592 5000

Costa Rica

AT&T +800 998 2112


AT&T +800 988 2112

Dominican Republic

AT&T +800 998 2112

El Salvador

AT&T +800 988 2112


AT&T +800 988 2112

French Guyana

AT&T +800 988 2112


AT&T +800 988 2112


AT&T +800 988 2112


AT&T +800 998 2112


AT&T +800 988 2112


AT&T +800 988 2112

Country Telephone 



AT&T +800 998 2112


AT&T +800 988 2112


1800 849 2273

Mexico Local



AT&T +800 998 2112


AT&T +800 998 2112


AT&T +800 998 2112


AT&T +800 998 2112


AT&T +800 998 2112

Puerto Rico

AT&T +800 998 2112

Rest of Latin America

508 323 6234

St. Kitts Nevis

AT&T +800 998 2112

St. Lucia

AT&T +800 998 2112

St. Vincent

AT&T +800 998 2112


AT&T +800 998 2112

Trinidad and Tobago

AT&T +800 998 2112

Turks and Caicos

AT&T +800 998 2112

Uruguay - Montevideo

AT&T +800 998 2112


AT&T +800 998 2112

Virgin Islands

AT&T +800 998 2112

You can also obtain support in this region in the following ways:

Spanish speakers, enter the URL:


Portuguese speakers, enter the URL:


English speakers in Latin America should send e-mail to:


Country Telephone 


US and Canada — Telephone Technical Support and Repair

All locations:    All 3Com products:    1 800 876 3266


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3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-3064

Copyright © 2008 3Com Corporation. All rights reserved. 3Com, the 3Com logo, and OfficeConnect are registered trademarks of 3Com Corporation. 

Microsoft, MS-DOS and Windows are registered trademarks of Microsoft Corporation.

All other company and product names may be trademarks of their respective companies.

Part Number 10016797 Rev CA Issued August 2008


3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-3064

Copyright © 2008 3Com Corporation. All rights reserved. 


No part of any documentation supplied with this product may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation,
or adaptation) without written permission from 3Com Corporation.

3Com Technologies reserves the right to revise any documentation supplied with this product and to make changes in content from time to time without obligation on the part
of 3Com Technologies to provide notification of such revision or change.

3Com Technologies provides any documentation supplied with this product without warranty, term, or condition of any kind, either implied or expressed, including, but not limited
to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements or changes in the
product(s) and/or the program(s) described in any documentation supplied with this product at any time.

If there is any software on removable media described in any documentation supplied with this product, it is furnished under a license agreement included with the product as a
separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy,
please contact 3Com and a copy will be provided to you.


If you are a United States government agency, then any documentation supplied with this product and the software described therein are provided to you subject to the following: 

All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as "Commercial Computer Software" as defined
in DFARS 252.227-7014 (June 1995) or as a "commercial item" as defined in FAR 2.101(a) and as such is provided with only such rights as are provided in 3Com’s standard
commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever
is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation supplied to you in connection with this product.


Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.

3Com, the 3Com logo and OfficeConnect are registered trademarks of 3Com Corporation.

All other company and product names may be trademarks of the respective companies with which they are associated.

Please e-mail any comments about this document to 3Com at: pddtechpubs_comments@3Com.com. Please include the document title, part number and if appropriate, the
page number.