3com Baseline Switch 2816 3CBLUG16 Manuel utilisateur

Marque: 3com

Modèle: Baseline Switch 2816 3CBLUG16

Catégorie: Commutateurs réseau

Taper: Manuel utilisateur

Ce manuel convient également à

Baseline Switch 2824 3CBLUG24

The 3Com Baseline Switch 2824 and the 3Com Baseline Switch

2816 are versatile, easy-to-use switches. It is ideal for users who

want the high-speed performance of 10/100/1000 switching but

do not need sophisticated management functions. The Switch is

shipped ready for use. No configuration is necessary. Your 3Com

Baseline Switch incorporates the latest in Green technology to

yield more than 25% power savings over the previous

technology.

The Switch can be rack-mounted or free standing.

Your Switch includes:

 One power cord

 Rack mounting kit

 Four standard height, self-adhesive rubber pads

 This User Guide and warranty card

The Switch is powered from the AC mains supply.

The Switch provides high performance switched connections to

10 Mbps, 100 Mbps, and 1000 Mbps hubs, switches, servers

and workstations that need a dedicated switched link. The

following figure illustrates one possible configuration. Each port

has a shielded RJ-45 connector on the front panel. Each port is

capable of operating at 10 Mbps, 100 Mbps or 1000 Mbps. The

ports can automatically determine the speed and the duplex

mode of the connected equipment and provides a suitable

switched connection. At 10 Mbps and at 100 Mbps, the ports

can operate in half or full duplex mode. At 1000 Mbps, the

ports operate in full duplex mode only.

INTRODUCTION

Servers with

1000Mbps

connections

Dual Speed Switch

with 10/100 Mbps

connection

1000Mbps

connections

10/100Mbps Switch with

Gigabit Connection

Switch 2824

Link/Activity :Green

000M, Yellow

0/100M,

lash

Activity

Baseline Switch2824

3CBLUG24

10/100 /1000 Status

3Com

Baseline Switch 2824 (3CBLUG16)

3Com

Baseline Switch 2816 (3CBLUG24)

User Guide

Installationsanleitung

10017053 Rev AA Oct 2008

The numbers in this diagram refer to numbered sections in the

text. A 24-port unit is shown.

Front Panel

1 24 RJ-45 10/100/1000 Ports

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.

AVERTISSEMENT: Les ports RJ-45. Ceux-ci sont

protégés par des prises de données. Ils ne peuvent pas

être utilisés comme prises de téléphone conventionnelles

standard, ni pour la connection de l’unité à un réseau

téléphonique central privé ou public. Raccorder

seulement connecteurs de données RJ-45, systèmes de

réseaux de téléphonie ou téléphones de réseaux à ces

prises. Il est possible de raccorder des câbles protégés ou

non protégés avec des jacks protégés ou non protégés à

ces prises de don.

WARNUNG: RJ-45-Porte. Diese Porte sind geschützte

Datensteckdosen. Sie dürfen weder wie normale

traditionelle Telefonsteckdosen noch für die Verbindung

der Einheit mit einem traditionellem privatem oder

öffentlichem Telefonnetzwerk gebraucht werden. Nur

RJ-45-Datenanscluße, Telefonnetzsysteme or

Netztelefone an diese Steckdosen anschließen. Entweder

geschützte oder ungeschützte Buchsen dürfen an diese

Datensteckdosen angeschlossen werden.

The Switch has 24/16 10/100/1000 Mbps auto-negotiating ports.

Each port automatically negotiates with the attached device to

determine the correct speed and duplex mode of operation.

Once negotiated, the port will operate in one of the following

modes:

 10BASE-T half duplex

 10BASE-T full duplex

 100BASE-TX half duplex

 100BASE-TX full duplex

 1000BASE-T full duplex

CAUTION: The Switch supports full duplex

auto-negotiation. If the connected device does not

support auto-negotiation, the Switch will operate in half

duplex mode, and therefore can only operate at

10 Mbps or 100 Mbps. In such a configuration, you

may notice some degradation of network performance.

3Com recommends that you use devices that are

capable of auto-negotiation (and that you ensure that

auto-negotiation is enabled, if it is a configurable

option).

All ports auto-sense an MDI/MDIX connection so each port can

be connected to a device with a normal ‘straight through’ TP

(twisted pair) cable or a ‘cross-over’ TP cable. Any port can

therefore be used to connect to either another switch port,

server, or workstation without additional configuration.

Traffic Prioritization

The Switch offers priority queuing, which means all packets that

are received are examined to see if they have been priority

encoded. When a packet is received, the Switch will read the

priority level and determine the appropriate channel to forward

the packet based on the priority level. This feature can be useful,

for example, during excessive loads when one type of traffic may

require priority over another. The Switch is configured to comply

with 802.1p, VLAN tagged frames.

Traffic prioritization ensures that high priority data is forwarded

through the Switch without being delayed by lower priority data.

It differentiates traffic into classes and prioritizes those classes

automatically. Traffic prioritization uses the multiple traffic queues

that are present in the hardware of the Switch to ensure that

high priority traffic is forwarded on a different queue from lower

priority traffic, and is given preference over that traffic. This

ensures that time-sensitive traffic gets the highest level of service.

The 802.1D standard specifies eight distinct levels of priority

(0 to 7), each of which relates to a particular type of traffic. The

priority levels and their traffic types are shown in the following

table.

FEATURES OF THE SWITCH

Baseline Switch 2824

3CBLUG24

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

10 / 100 / 1000 Status

Baseline Switch 2824

3CBLUG24

The traffic prioritization feature supported by the Switch

is compatible with the relevant sections of the IEEE

802.1D standard (incorporating IEEE 802.1p).

2 Activity/Link/Speed Status LEDs

The LED, labelled “Link/Activity,” shows the link and activity

status of the related ports:

Power LED

The Power LED shows the power status of the Switch:

Rear Panel Connections

4 Power Supply

The Switch automatically adjusts to the supply voltage. Only use

the power cord that is supplied with the unit.

Positioning the Switch

When deciding where to position the Switch ensure:

 It is accessible and cables can be connected easily.

 Cabling is away from sources of electrical noise. These

include lift shafts, microwave ovens, and air conditioning

units. Electromagnetic fields can interfere with the signals on

copper cabling and introduce errors, therefore slowing down

your network.

 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 that you

provide a minimum of 25 mm (1 in.) clearance).

 The air is as free from dust as possible.

 Temperature operating limits are not likely to be exceeded. It

is recommended that the unit is installed in a clean, air

conditioned environment.

It is always a good practice to wear an anti-static wrist

strap when installing network equipment, connected to a

ground point. If one is not available, try to keep in

contact with a grounded rack and avoid touching the

unit's ports and connectors, if possible. Static discharge

can cause reliability problems in your equipment.

Rack Mounting or Free Standing

This unit can be mounted in a 19-inch equipment rack using the

Mounting Kit. Refer to “Mounting Kit Instructions” on page 4. It

can also be free standing. Do not place objects on top of the

unit or stack.

The unit is supplied with four self-adhesive rubber pads. If the

unit is to be part of a free standing stack, apply the pads to each

marked corner area on the underside of the unit. Place the unit

on top of the lower unit, ensuring that the pads locate with the

recesses of the lower unit.

Do not apply the pads if you intend to rack mount the

unit.

CAUTION: If installing the Switch in a free standing

stack of different sized units, the smaller units must be

installed above the larger ones. Do not build a free

standing stack of more than six units.

Montagesatz Anweisungen

Der Switch wird mit zwei Halterungen und vier Schrauben

geliefert. Diese werde für den Einbau in einen Baugruppenträger

benutzt. Bei der Montage der Baugruppe beachten Sie die

Anweisungen aus “Positioning the Switch”.

ACHTUNG: Entfernen Sie alle Kabel, bevor Sie

fortfahren. Entfernen Sie die selbstklebenden Polster

(Füße) von der Unterseite der Baugruppe, falls diese

bereits angebracht sind.

1 Plazieren Sie die Baugruppe aufrecht auf einer harten,

ebenen Fläche mit der Vorderseite zu Ihnen.

2 Ordnen Sie eine der Halterungen über den Löchern an der

Seite der Baugruppe an.

3 Stecken Sie zwei der mitgelieferten Schrauben in die Löcher

und drehen Sie diese mit einem geeigneten Schraubendreher

fest.

4 Widerholen Sie letzten beiden Schritte auf der anderen Seite

der Baugruppe.

5 Führen Sie die Baugruppe in den 19" (Zoll) Baugruppenträger

ein und sichern sie die Baugruppe mit geeigneten Schrauben.

(Nicht im Lieferumfang enthalten).

6 Schließen Sie alle Kabel wieder an.

Priority Level Traffic Type

0 Best Effort

1 Background

2 Standard (spare)

3 Excellent Effort (business critical)

4 Controlled Load (streaming multimedia)

5 Video (Interactive media), less than 100 milliseconds

latency and jitter.

6 Voice (Interactive voice), less than 10 milliseconds

latency and jitter.

7 Network Control Reserved traffic

Status Meaning

Green The link is operating at 1000 Mbps.

Yellow The link is operating at 10 or 100 Mbps.

Flashing Packets are being received or transmitted on the port.

Off The link has not been established, either nothing is connected

to the port, or there is a problem:

■ Check that the attached device is powered on.

■ Check that the cable is the correct type and is not faulty.

If these checks do not identify the cause of the problem, it

may be that the unit or the device connected to the port is

faulty. Contact your supplier for further advice.

Status Meaning

Green The unit is powered on and ready for use.

Off ■ The unit is not receiving power:

■ Check that the power cord is connected correctly.

■ If the unit still does not operate, contact your supplier.

INSTALLING THE SWITCH

Connecting to a Network Device

Follow these guidelines to connect a device to the Switch:

 Use Category 5 unshielded or shielded (screened) 100 Ohm

TP cable (or Category 3 cable for a 10 Mbps connection).

3Com recommends using Category 5E cable for 1000BASE-T

operation.

 The maximum length of cable for each connection is

100 m (328 ft).

 Connect one end of the cable to an RJ-45 port on the

Switch, and the other end to the appropriate RJ-45 port on

the connecting device.

Power Supply

Power problems can be the cause of serious failures and

downtime in your network. Ensure that the power input to your

system is clean and free from sags and surges to avoid

unforeseen network outages. 3Com recommends that you install

power conditioning, especially in areas prone to black outs,

power dips and electrical storms.

Powering Up

Use the following sequence to power up the Switch:

1 Check the network connections and cables.

2 Connect the power supply cable to the appropriate power

socket located on the rear panel of the unit.

3 Connect the plug to the power supply outlet socket and

switch on the power supply at the socket.

When the switch is powered on, the Power LED lights green. If it

does not, see reference 4 in “Features of the Switch” on page 3.

Introduction

The Switch is supplied with two mounting brackets and four

screws. These are used for rack mounting the unit. When

mounting the unit, you should take note of the guidelines given

in “Positioning the Switch” on page 3.

Rack Mounting the Units

The Switch is 1U high and will fit a standard 19-inch rack.

CAUTION: Disconnect all cables from the unit before

continuing. Remove the self-adhesive pads from the

underside of the unit, if already fitted.

1 Place the unit the right way up on a hard, flat surface with

the front facing towards you.

2 Locate a mounting bracket over the mounting holes on one

side of the unit (refer to the figure following step 6).

3 Insert the two screws supplied in the mounting kit and fully

tighten with a suitable screwdriver.

4 Repeat the two previous steps for the other side of the unit.

5 Insert the unit into the 19-inch rack and secure with suitable

screws (not provided).

6 Reconnect all cables.

At frequent intervals you should visually check the Switch.

Regular checks can give you an early warning of a possible

failure; any problems can then be attended to when there will be

least effect on users.

Check that all external cabling connections are secure and that

no cables are pulled taut.

Refer to the information about LEDs given earlier in this guide to

see if the problem can be identified and solved. Here are some

common problems that can occur:

Activity Status LED not lit for a port that has a connection.

There is a problem with this connection. Check that:

 The device being connected to is powered on and operating

correctly.

 The cable is connected at both ends.

 You are using a TP cable that is not damaged.

 If the connection is to a workstation, that the workstation’s

network interface card is installed and configured correctly.

All Activity LEDs appear to be lit continually. There may be

broadcast storms on the network. Remove port connections one

at a time, waiting a few seconds between each port. If the LEDs

go off after removing a port connection, the device that was

connected to that port is introducing an excessive amount of

broadcast frames to the network (some pieces of network

equipment operate by sending out broadcast frames regularly).

Refer to the documentation that accompanies the device for

information on disabling the broadcast operation.

If the problem persists and the unit still does not operate

successfully, contact your supplier with the following information

before returning the unit:

 Product number and serial number (printed on a label

supplied with the unit)

 A brief description of the fault condition

MOUNTING KIT INSTRUCTIONS

PROBLEM SOLVING

Please read the following safety information carefully

before installing the Switch.

WARNING: Installation and removal of the unit must be carried out by

qualified personnel only.

 If installing Switch 2824/Switch 2816 in a stack with other 3Com Hub or

Switch units, larger units must be installed below the narrower Hub or

Switch units.

 The unit must be connected to an earthed (grounded) outlet to comply with

international safety standards.

 Do not connect the unit to an A.C. outlet (power supply) without an earth

(ground) connection.

 The appliance coupler (the connector to the unit and not the wall plug)

must have a configuration for mating with an EN 60320/IEC 320 appliance

inlet.

 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.

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

according to IEC60950-1. The conditions are only maintained if the

equipment to which it is connected also operates under SELV conditions.

France and Peru only

This unit cannot be powered from IT

†

supplies. If your supplies are of IT type, this

unit must be powered by 230 V (2P+T) via an isolation transformer ratio 1:1, with

the secondary connection point labelled Neutral, connected directly to earth

(ground).

†

Impédance à la terre

Power Cord Set

This must be approved for the country where it will be used. e.g.

Veuillez lire à fond l'information de la sécurité suivante

avant d'installer le Switch.

AVERTISSEMENT: L’installation et la dépose de ce groupe doivent être

confiés à un personnel qualifié.

 Si vous entassez l’unité Switch avec les unités SuperStack II Hub, l’unité

Switch doit être installée en dessous des unités Hub plus étroites.

 Ne branchez pas votre appareil sur une prise secteur (alimentation

électrique) lorsqu'il n'y a pas de connexion de mise à la terre (mise à la

masse).

 Vous devez raccorder ce groupe à une sortie mise à la terre (mise à la

masse) afin de respecter les normes internationales de sécurité.

 Le coupleur d’appareil (le connecteur du groupe et non pas la prise murale)

doit respecter une configuration qui permet un branchement sur une entrée

d’appareil EN 60320/IEC 320.

 La prise secteur doit se trouver à proximité de l’appareil et son accès doit

être facile. Vous ne pouvez mettre l’appareil hors circuit qu’en débranchant

son cordon électrique au niveau de cette prise.

 L’appareil fonctionne à une tension extrêmement basse de sécurité qui est

conforme à la norme IEC60950-1. Ces conditions ne sont maintenues que si

l’équipement auquel il est raccordé fonctionne dans les mêmes conditions.

France et Pérou uniquement:

Ce groupe ne peut pas être alimenté par un dispositif à impédance à la terre. Si vos

alimentations sont du type impédance à la terre, ce groupe doit être alimenté par

une tension de 230 V (2 P+T) par le biais d’un transformateur d’isolement à rapport

1:1, avec un point secondaire de connexion portant l’appellation Neutre et avec

raccordement direct à la terre (masse).

Cordon électrique

Il doit être agréé dans le pays d’utilisation.

Bitte unbedingt vor dem Einbauen des Switches die

folgenden Sicherheitsanweisungen durchlesen.

WARNUNG: Die Installation und der Ausbau des Geräts darf nur durch

Fachpersonal erfolgen.

 Wenn der Switch 2824/Switch 2816 mit anderen 3Com Hubs oder Switche

gestapelt werden soll, müssen grössere Geräte unter den schmaleren Hubs

eingebaut werden.

 Das Gerät sollte nicht an eine ungeerdete Wechselstromsteckdose

angeschlossen werden.

 Das Gerät muß an eine geerdete Steckdose angeschlossen werden, welche

die internationalen Sicherheitsnormen erfüllt.

 Der Gerätestecker (der Anschluß an das Gerät, nicht der

Wandsteckdosenstecker) muß einen gemäß EN 60320/IEC 320

konfigurierten Geräteeingang haben.

 Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein.

Die Stromversorgung des Geräts kann nur durch Herausziehen des

Gerätenetzkabels aus der Netzsteckdose unterbrochen werden.

 Der Betrieb dieses Geräts erfolgt unter den SELV-Bedingungen

(Sicherheitskleinstspannung) gemäß IEC60950-1. Diese Bedingungen sind

nur gegeben, wenn auch die an das Gerät angeschlossenen Geräte unter

SELV-Bedingungen betrieben werden.

SAFETY INFORMATION

U.S.A. and

Canada

■ The cord set must be UL-approved and CSA certified.

■ The minimum specifications for the flexible cord are:

No. 18 AWG

Type SV or SJ

3-conductor

■ The cord set must have a rated current capacity of at least

10 A.

■ The attachment plug must be an earth-grounding type with a

NEMA 5-15P (15 A, 125 V) or NEMA 6-15P (15 A, 250 V)

configuration.

Denmark

■ The supply plug must comply with Section 107-2-D1, Standard

DK2-1a or DK2-5a.

Switzerland

■ The supply plug must comply with SEV/ASE 1011.

■ The supply plug must comply with BS1363 (3-pin 13-amp) and

be fitted with a 5 A fuse which complies with BS1362.

■ The mains cord must be <HAR> or <BASEC> marked and be

of type HO3VVF3GO.75 (minimum).

Europe

■ The supply plug must comply with CEE7/7 (“SCHUKO”)

■ The mains cord must be <HAR> or <BASEC> marked and be

of type HO3VVF3GO.75 (minimum).

L’INFORMATION DE SÉCURITÉ IMPORTANTE

Etats-Unis et

Canada:

■ Le cordon doit avoir reçu l’homologation des UL et un

certificat de la CSA.

■ Le cordon souple doit respecter, à titre minimum, les

spécifications suivantes:

calibre 18 AWG

type SV ou SJ

à 3 conducteurs

■ Le cordon doit être en mesure d’acheminer un courant

nominal d’au moins 10 A.

■ La prise femelle de branchement doit être du type à mise à la

terre (mise à la masse) et respecter la configuration NEMA

5-15P (15 A, 125 V) ou NEMA 6-15P (15 A, 250 V).

Danemark:

■ La prise mâle d’alimentation doit respecter la section 107-2 D1

de la norme DK2 1a ou DK2 5a.

Suisse:

■ La prise mâle d’alimentation doit respecter la norme SEV/ASE

1011.

Europe

■ La prise secteur doit être conforme aux normes CEE 7/7

(“SCHUKO”)

■ LE cordon secteur doit porter la mention <HAR> ou <BASEC>

et doit être de type HO3VVF3GO.75 (minimum).

WICHTIGE SICHERHEITSINFORMATIONEN

Stromkabel. Dies muss von dem Land, in dem es benutzt wird geprüft werden:

Schweiz

■ Dieser Stromstecker muß die SEV/ASE 1011Bestimmungen

einhalten.

Europe ■ Das Netzkabel muß vom Typ HO3VVF3GO.75

(Mindestanforderung) sein und die Aufschrift <HAR> oder

<BASEC> tragen.

■ Der Netzstecker muß die Norm CEE 7/7 erfüllen (”SCHUKO”).

Related Standards

The Switch has been designed to meet the following standards:

Environmental

Physical

Electrical

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 radiate 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 communications, in which case the user will

be required to correct the interference 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 correct the

interference by one or more of the following measures:

 Reorient the receiving antenna

 Relocate the equipment in relation to 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.

If necessary, the user should consult the dealer or an experienced

radio/television technician for additional suggestions. The user

may find the following booklet prepared by the Federal

Communications Commission helpful:

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 which comply with IEEE 802.3.

CE Statements (Europe)

EU Representative:

3Com Europe Limited

Peoplebuilding 2, Peoplebuilding Estate

Maylands Avenue

Hemel Hempstead, Hertfordshire

HP2 4NW

United Kingdom

This product complies with the European Low Voltage Directive

2006/95/EC 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 for the 3Com

Baseline Switch 28XX Product Family at http://www.3com.com.

Also available at

http://support.3com.com/doc/3CBLUGXX_EU_DOC.pdf

ICES Statement

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

Cet appareil numérique de la classe A est conforme a la norme

NMB-003 du Canada.

VCCI Statement

TECHNICAL INFORMATION

Functional ISO 8802-3, IEEE 802.3 (Ethernet), IEEE 802.3u (Fast

Ethernet), IEEE 802.3ab (Gigabit Ethernet), IEEE 802.3x

(Flow control on full duplex links), IEEE 802.3d

(Bridging), IEEE 802.1p (VLAN tagging/ priority queuing)

Safety UL 60950-1, IEC60950-1, CSA 22.2 #60950-1, IEC

60950-1

EMC Emissions EN 55022 Class A, FCC Part 15 Subpart B Class A,

ICES-003 Class A, VCCI Class A, AS/NZS CISPR 22

Class A

Immunity EN 55024

Operating

Temperature

0–40 °C (32–104 °F)

Humidity 10–95% (non-condensing)

Width 440 mm (17.3 in.)

Depth 173 mm (6.8 in.)

Height 43.6 mm (1.7 in.) or 1U

Weight Switch 2824: 1.65 kg (3.63 lb)

Switch 2816: 1.45 kg (3.19 lb)

Mounting Free standing, or 19-inch rack mounted using

the mounting kit supplied

Power Inlet IEC 320

AC Line Frequency 50/60 Hz

Input Voltage 100–240 VAC

Current Rating 1A

Maximum Power

Consumption

Switch 2824: 21.0W

Switch 2816: 14.7W

Maximum Power

Dissipation

Switch 2824: 71.7 BTU/hr

Switch 2816: 50.2 BTU/hr

REGULATORY NOTICES

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.

To take advantage of warranty and other service benefits, you

must first register your product at:

http://eSupport.3com.com/. 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:

http://knowledgebase.3com.com. It contains 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 disruption to your network. Expert assessment and

implementation services are offered to fill resource gaps and

ensure the success of your networking projects. For more

information on 3Com Extended Warranty and Professional

Services, see: http://www.3com.com/

Contact your authorized 3Com reseller or 3Com for additional

product and support information.

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 number, 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:

http://eSupport.3com.com/

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

http://eSupport.3com.com/. 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:

http://csoweb4.3com.com/contactus/

Pakistan — Call the U.S. direct on 1 201 0288 then dial 877 691

8988

Sri Lanka — Call the U.S. direct on 1 201 0288 then dial 877

899 5698

Vietnam — Call the U.S. direct on 1 201 0288 then dial 877 899

5706

http://www.3com.com/services/contactSupport.html

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

email address [email protected]

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: ap_rma_request@3com.com

Europe, Middle East, and Africa — Telephone Technical Support

& Repair

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

435529

From the following countries, call the appropriate number:

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

http://emea.3com.com/support/email.html

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

email addresses:

Technical support and general requests:

[email protected]

Return material authorization: [email protected]

Contract requests: [email protected]

OBTAINING SUPPORT FOR YOUR PRODUCT

Country Telephone Number

Asia, Pacific Rim — Telephone Technical Support & Repair

Australia 1800 075 316

Hong Kong 2907 0456

India 000 800 440 1193

Indonesia 001 803 852 9825

Japan 03 3507 5984

Malaysia 1800 812 612

New Zealand 0800 450 454

Philippines 1800 144 10220 or 029003078

P.R. of China 800 810 0504

Singapore 800 616 1463

South Korea 080 698 0880

Taiwan 00801 444 318

Thailand 001 800 441 2152

Country Telephone Number

Austria 0800 297 468

Belgium 0800 71429

Denmark 800 17309

Finland 0800 113153

France 0800 917959

Germany 0800 182 1502

Hungary 06800 12813

Ireland 1 800 553 117

Israel 180 945 3794

Italy 800 879489

Luxembourg 800 23625

Netherlands 0800 0227788

Norway 800 11376

Poland 00800 4411 357

Portugal 800 831416

Russia 88005558588

Saudi Arabia 800 8 445 312

South Africa 0800 995 014

Spain 900 938 919

Sweden 020 795 482

Switzerland 0800 553 072

U.A.E. 04-3908997

U.K. 0800 096 3266

Ukraine 8 800 502 11 70

Country Telephone Number

Latin America — Telephone Technical Support & Repair

Antigua AT&T +800 988 2112

Antigua Barbuda AT&T +800 988 2112

Argentina AT&T +800 988 2112

Country Telephone Number

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

Spanish speakers, enter the URL:

http://lat.3com.com/lat/support/form.html

Portuguese speakers, enter the URL:

http://lat.3com.com/br/support/form.html

English speakers in Latin America should send e-mail

to:[email protected]

CHINA RoHS

documentation 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 Corporation reserves the right to revise this documentation and to

make changes in content from time to time without obligation on the

part of 3Com Corporation to provide notification of such revision or

change.

3Com Corporation provides this documentation 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 this documentation at any time.

UNITED STATES GOVERNMENT LEGENDS:

If you are a United States government agency, then this documentation

and the software described herein are provided to you subject to the

following restricted rights:

For units of the Department of Defense:

Restricted Rights Legend: Use, duplication or disclosure by the

Government is subject to restrictions as set forth in subparagraph (c) (1)

(ii) for restricted Rights in Technical Data and Computer Software clause

at 48 C.F.R. 52.227-7013. 3Com Corporation, 350 Campus Drive,

Marlborough, MA 01752-3064.

For civilian agencies:

Restricted Rights Legend: Use, reproduction or disclosure is subject to

restrictions set forth in subparagraph (a) through (d) of the Commercial

Computer Software - Restricted Rights Clause at 48 C.F.R. 52.227-19 and

the limitations set forth in 3Com Corporation’s standard commercial

agreement for the software. Unpublished rights reserved under the

If there is any software on removable media described in this

documentation, 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. If you are

unable to locate a copy, please contact 3Com and a copy will be

provided to you.

Unless otherwise indicated, 3Com registered trademarks are registered in

the United States and may or may not be registered in other countries.

3Com and SuperStack are registered trademarks of 3Com Corporation.

IEEE and 802 are registered trademarks of the Institute of Electrical and

Electronic Engineers, Inc.

Other brand and product names may be registered trademarks or

trademarks of their respective holders.

General Environmental Statement

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 legislation 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 standards

 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 biodegradeable and recyclable,

and is completely chlorine-free. The varnish is environmentally-friendly,

and the inks are vegetable-based with a low heavy-metal content.

Aruba AT&T +800 988 2112

Bahamas AT&T +800 988 2112

Barbados AT&T +800 988 2112

Belize AT&T +800 988 2112

Bermuda AT&T +800 988 2112

Bolivia AT&T +800 988 2112

Brasil 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

Chile AT&T +800 998 2112

Colombia AT&T +800 998 2112

Columbia Local +571 592 5000

Costa Rica AT&T +800 998 2112

Curaçao AT&T +800 988 2112

Dominican Republic AT&T +800 998 2112

El Salvador AT&T +800 988 2112

Equador AT&T +800 988 2112

French Guyana AT&T +800 988 2112

Grenada AT&T +800 988 2112

Guadalupe AT&T +800 988 2112

Guatemala AT&T +800 998 2112

Guyana AT&T +800 988 2112

Haiti AT&T +800 988 2112

Honduras AT&T +800 998 2112

Jamaica AT&T +800 988 2112

Mexico 1800 849 2273

Mexico Local +52-55-52-01-0004

Monserrat AT&T +800 998 2112

Country Telephone Number

Nicaragua AT&T +800 998 2112

Panama AT&T +800 998 2112

Paraguay AT&T +800 998 2112

Peru 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

Suriname 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

Venezuela AT&T +800 998 2112

Virgin Islands AT&T +800 998 2112

Country Telephone Number

US and Canada — Telephone Technical Support & Repair

For all products: 800 876 3266

Country Telephone Number

LEGAL NOTICES

ENVIRONMENTAL STATEMENTS

Part Number: 10017053 Rev AA

Published: October 2008

3com Baseline Switch 2816 3CBLUG16 Manuel utilisateur

Marque: 3com

Modèle: Baseline Switch 2816 3CBLUG16

Catégorie: Commutateurs réseau

Taper: Manuel utilisateur

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