The SuperStack
®
II Baseline Dual Speed Hub is an easy-to-use,
10/100 autosensing Class II hub (repeater). It is ideal for users who
want to connect both Ethernet and Fast Ethernet devices
(workstations and other equipment) to the same hub.
All ports on the Baseline Dual Speed Hub are half duplex,
autosensing 10 Mbps and 100 Mbps. Each port senses the speed of
the connected equipment and operates at the appropriate speed.
The Baseline Dual Speed Hub comes with:
■
One power cord for use with the Baseline Dual Speed Hub
■
Four full height and two reduced height, self-adhesive rubber
pads
■
One rack mounting kit
■
A Registration Card and Envelope for you to fill in and return
■
This Guide
The Baseline Dual Speed Hub is suitable for office use where it can
be free standing or rack-mounted (in a wiring closet or equipment
room). The hub can be powered either from the AC mains supply, or
through an optional 3Com
®
SuperStack II Advanced Redundant
Power System (3C16071A). Contact your supplier for details.
Network Connections
The Baseline Dual Speed Hub has 12 or 24 shielded RJ-45, 10/100
autosensing ports on the front panel. Each port can be connected to
either a 10BASE-T (Ethernet) or a 100BASE-TX (Fast Ethernet) device.
Internally, the hub has two repeater segments (10 Mbps and
100 Mbps) which are linked by a switch, allowing connected
10 Mbps and 100 Mbps devices to communicate.
You can connect a 10BASE-T or 100BASE-TX hub or switch to the
Baseline Dual Speed Hub.
I
NTRODUCTION
1
SuperStack
®
II Baseline Dual Speed Hub
12-Port TP (3C16592A) and 24-Port TP (3C16593A)
User Guide
3C16593A
DUA1659-2AAA03
Figure 1
Numbered elements in this diagram refer to numbered sections in the text. A 24-port Hub is shown.
Front Panel
1
12 or 24 RJ-45 10/100 Ports
You can use these ports to connect 10BASE-T or 100BASE-TX
devices (workstations and other equipment) to the Baseline Dual
Speed Hub. As the ports are autosensing, the speed of the ports is
determined automatically when you connect your equipment.
WARNING: RJ-45 ports.
These are shielded RJ-45 data
sockets. They cannot be used as telephone sockets. Only
connect RJ-45 data connectors to these sockets.
AVERTISSEMENT:
Les ports RJ-45
. Ceux-ci sont les prises
de courant de données RJ-45 protégées. Ils ne peuvent pas
être utilisés comme prises de courant téléphoniques.
Brancher seulement les connecteurs RJ-45 de données à ces
prises de courant.
WARNUNG: RJ45-Anschlüsse.
Hierbei handelt es sich um
abgeschmirte RJ-45 Datenbuchsen, die nicht als
Telefonbuchsen verwendbar sind. Nur RJ-45
Datensteckverbinder an diese Buchsen anschließen.
Connect one end of the TP (twisted pair) cable to the RJ-45 port on
the Baseline Dual Speed Hub and the other end to the appropriate
RJ-45 port on the device. Use either shielded or unshielded data
cables (with shielded or unshielded jacks) to connect to the devices.
The equipment that is connected to the Baseline Dual
Speed Hub must not be set to operate in full duplex mode.
It must be set to operate in autonegotiate or half duplex
mode.
10BASE-T
To connect 10BASE-T equipment, use 10BASE-T Category 3 or
Category 5 unshielded or shielded (screened) 100 Ohm TP cable.
Category 5 cable should be used with this product in
structured wiring environments. This will ensure correct
operation of all ports at 10 Mbps or 100 Mbps.
Ethernet Network Configuration Rules
To remain within IEEE 802.3 10 Mbps Ethernet rules, the maximum
length of cable between the Baseline Dual Speed Hub and an
attached device must not exceed 100 m (328 ft). If you are
connecting multiple hubs in series, ensure that there are no more
than four 10 Mbps hubs between any two devices on your network,
as shown below.
100BASE-TX
To connect 100BASE-TX equipment, use 100BASE-TX Category 5
unshielded or shielded (screened) 100 Ohm TP cable.
Fast Ethernet Network Configuration Rules
To remain within IEEE 802.3 100 Mbps Fast Ethernet rules, the
maximum length of cable between the Baseline Dual Speed Hub and
an attached device must not exceed 100 m (328 ft). Ensure that
there are no more than two 100 Mbps hubs between any two
devices on your network, and that the total cable distance (A+B+C)
between the two devices does not exceed 205 m (672.4 ft), as
shown below.
If you connect two Baseline Dual Speed Hubs together, the
link between them operates at 100 Mbps.
2
MDI Switch
This switch affects port 12 (3C16592A) or port 24 (3C16593A).
Ports 1–11 (3C16592A) or 1–23 (3C16593A) are fixed as MDIX
ports. Each can be connected to a device with an MDI port (such as
most workstations) using a normal “straight through” TP cable.
Port 12 or 24 is “switch selectable” using the MDI switch:
To connect the hub to a 10 Mbps or 100 Mbps unit, connect an
MDIX port on the unit to port 12 or 24 on the Hub, as shown
below. Ensure that the MDI switch on the Hub is in (MDI). If an
MDI/MDIX port is used on the other unit, ensure that the MDI switch
for that port is out (MDIX). Alternatively, you can use “cross-over”
TP cable to connect any MDIX port on the Baseline Dual Speed Hub
to any MDIX port on another unit.
H
OW
TO
U
SE
THE
B
ASELINE
D
UAL
S
PEED
H
UB
Out
In this position, port 12 or 24 is an MDIX port.
It can be connected to a device with an MDI
port (such as most workstations) using a normal
“straight through” TP cable.
In
In this position, port 12 or 24 is an MDI port.
It can be connected to an MDIX port on a
device (such as another hub) using a normal
“straight through” TP cable.
MDIX
MDI
2
3
Status LEDs
The Status LEDs show the state of a port and whether or not the
Link Pulse signal is present on the segment connected to a port:
If these checks do not identify the cause of a problem, it may be
that the unit or the device connected to the port is faulty. Contact
your supplier for further advice.
4
Segment LEDs
The Segment LEDs indicate activity on the 10 Mbps and 100 Mbps
segments:
5
Power LED
The Power LED indicates a number of conditions:
Rear Panel Connections
6
Power Supply
The Baseline Dual Speed Hub automatically adjusts to the supply
voltage. Only use the power cord that is supplied with the Baseline
Dual Speed Hub, or a power cord of the same type and rating.
7
Socket for Redundant Power System
You can connect a 3Com SuperStack II Advanced Redundant Power
System (ARPS) (3C16071A) to the Hub. The ARPS is designed to
maintain the power to your Hub if a power supply failure occurs.
For normal redundancy, the ARPS requires one Type 1 Power Module
(part number 3C16072). For full redundancy, the unit requires two
Type 1 Power Modules combined using a Type 1 Y-Cable (part
number 3C16079). Contact your supplier for further details.
8
Self-adhesive Pads
The hub is supplied with six self-adhesive rubber pads: two reduced
height and four full height.
You do not need to apply the pads if you intend to rack
mount the unit.
If you are placing the units one on top of the other, you must use
the self-adhesive rubber pads supplied. Apply the pads to the
underside of each unit, sticking one in the marked area at each
corner. Place the units on top of each other, ensuring that the pads
of the upper unit line up with the recesses of the lower unit. Use the
two thinner pads when stacking the unit with a narrower one
above.
Positioning the Baseline Dual Speed Hub
CAUTION:
When installing the Baseline Dual Speed Hub in
a stack of different size units, the Baseline Dual Speed Hub
must be installed above any larger units. Do not have a free
standing stack of more than six units.
When deciding where to position the Baseline Dual Speed Hub
ensure:
■
It is accessible and cables can be connected easily.
■
Cabling is away from:
■
Sources of electrical noise such as radios, transmitters and
broadband amplifiers.
■
Power lines and fluorescent lighting fixtures.
■
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 recommend that you provide
a minimum of 25 mm (1 in.) clearance).
To prolong the operational life of your units:
■
Never stack units more than six high if free standing, and
ensure that cables are supported so that they do not cause the
stack to fall over.
■
Do not place objects on top of any unit or stack.
■
Do not obstruct any vents at the sides of the case.
Rack Mounting
The Baseline Dual Speed Hub can be mounted in a 19-in. equipment
rack. Refer to the “Mounting Kit Instructions” section in this guide.
Power Up
Use the following sequence to power up the Baseline Dual Speed
Hub:
1
Check the network connections and cables.
2
Connect the power supply cable to the appropriate power
socket on the rear panel of the unit; refer to
6
or
7
.
3
Connect the plug to the mains power supply outlet socket. If
you are using the Advanced Redundant Power System refer to
the ARPS User Guide.
When the Baseline Dual Speed Hub is powered on, the Power LED
should be lit. If it is not, refer to
5
, “Power LED”.
Green A 100 Mbps Link Pulse signal is being received and the
100BASE-TX segment attached to the port is functional.
Yellow A 10 Mbps Link Pulse signal is being received and the
10BASE-T segment attached to the port is functional.
Flashing The port has partitioned, due to an excessive number of
collisions, excessively long collisions, or a network loop.
To remove a network loop, examine your connections
and ensure that each piece of equipment is connected
to your network by only one connection.
Off The Link Pulse signal is not being received. 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 the LED is off for port 12 or 24, check the setting of
the MDI switch. Refer to
2
. Try toggling the MDI switch.
If you have connected different types of unit together,
check that your configuration conforms to the network
configuration rules for 10BASE-T and 100BASE-TX.
If the port is connected to another unit’s MDI/MDIX
port, check the other unit’s MDI switch position.
Flashing
green
Packets are being received or transmitted.
Flashing
yellow
Collisions are occurring on the segment. A low level of
collisions is a part of normal Ethernet and Fast Ethernet
operation. Excessive collisions may indicate a network
problem.
Off No packets are being received or transmitted on the
segment.
Green The unit is powered on and ready for use.
Off The unit is powered off.
If the power cable is connected correctly, there may be
a problem with the fuse within the power cord’s plug.
If the unit appears to be operating and the LED is off,
contact your supplier.
!
!
3
The Baseline Dual Speed Hub 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 Baseline Dual Speed Hub”on page 3.
The Baseline Dual Speed Hub 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 unit, if already fitted.
To rack mount the unit:
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, as shown in the diagram.
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-in. rack and secure with suitable
screws (not provided).
6
Reconnect all cables.
Refer to the information about LEDs given earlier in this guide to see
if the problem can be identified and rectified. If the problem persists
and the Baseline Dual Speed Hub 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 on the rear of the unit)
■
A brief description of the fault
When returning any equipment to your supplier ensure that the
equipment is packed suitably for transit.
Some older NIC (network interface card) cards were
developed before the standardization of the
auto-negotiation protocol. These may cause the Baseline
Dual Speed Hub to sense the speed of the network
incorrectly. We strongly recommend that you install the
latest versions of the NIC drivers before connecting your
network. 3Com NIC card drivers dated before 23/03/95
should be updated from the 3Com website.
The SuperStack
®
II Baseline Dual Speed Hub has been designed and
certified to the following standards:
Environmental
Physical
Electrical
M
OUNTING
K
IT
I
NSTRUCTIONS
P
ROBLEM
S
OLVING
T
ECHNICAL
I
NFORMATION
Functional
ISO/IEC 8802-3, IEEE 802.3, IEEE 802.3u, IEEE
802.1D
Safety
UL 1950, EN 60950, CSA 22.2#950, IEC 60950
EMC
EN 55022 Class B*, VCCI Class B*, AS/NZS3548
Class B*, FCC Part 15 Class A, ICES-003 Class A
* Category 5 screened cables must be used to ensure complete
compliance with the Class B requirements of this standard.
The use of unscreened cables (Category 3 or 5 for 10BASE-T
ports or Category 5 for 100BASE-TX ports) complies with
Class A requirements.
Immunity
EN 50082-1 (IEC801 Parts 2–5)
Operating Temperature
0–50°C (32–122°F)
Humidity
0–95% (non-condensing)
Width
440 mm (17.3 in.)
Depth
173 mm (6.8 in.)
Height
44 mm (1.7 in.) or 1U
Weight
3C16592A: 2.22 kg (4.90 lb)
3C16593A: 2.10 kg (4.63 lb)
Mounting
Free standing, or 19-in. rack mounted using the
mounting kit supplied
Power Inlet
IEC 320
AC Line Frequency
50/60 Hz
Power Consumption
3C16592A: 25 VA
3C16593A: 42 VA
Power Dissipation
3C16592A: 86 BTU/hr
3C16593A: 142 BTU/hr
Input Voltage
100–240 VAC
Current Rating
3C16592A: 1.0 A (maximum)
3C16593A: 1.0 A (maximum)
4
Please read the following safety information carefully before
installing the Baseline Dual Speed Hub.
WARNING:
Installation and removal of the unit must be carried out
by qualified personnel only.
■
I
f installing the unit in a stack with SuperStack II Hub units, the
Baseline Dual Speed Hub must be installed beneath narrower Hub
units.
■
Do not connect the unit to an A.C. outlet (power supply) without an Earth
(ground) connection.
■
The unit must be connected to an earthed (grounded) outlet to comply with
international safety standards.
■
The appliance coupler (the connector to the unit and not the wall plug)
must have a configuration for mating with an EN60320/IEC320 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 IEC 60950. The conditions are only maintained if the
equipment to which it is connected also operates under SELV conditions.
■
Only connect a 3Com
Advanced Redundant Power System (3C16070,
3C16071 or 3C16071A)
to the
Redundant Power System
socket
.
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 230V (2P+T) via an isolation transformer
ratio 1:1, with the secondary connection point labelled Neutral, connected
directly to Earth (ground).
Power Cord Set
This must be approved for the country where it will be used.
†
Impédance à la terre
Veuillez lire à fond l'information de la sécurité suivante avant
d'installer le Baseline Dual Speed Hub.
AVERTISSEMENT:
L’installation et la dépose de ce groupe doivent
être confiés à un personnel qualifié.
■
Si vous entassez l’unité avec les unités SuperStack II Hub, l’unité Baseline
Dual Speed Hub 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 EN60320/CEI 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 IEC 60950. Ces conditions ne sont maintenues que si
l’équipement auquel il est raccordé fonctionne dans les mêmes conditions.
■
Branchez uniquement un
3Com
Advanced Redundant Power System
(3C16070, 3C16071 or 3C16071A)
sur la prise femelle du
Redundant
Power System
.
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 Baseline Dual Speed
Hub Einheit die folgenden Sicherheitsanweisungen durchlesen.
WARNUNG:
Die Installation und der Ausbau des Geräts darf nur
durch Fachpersonal erfolgen.
■
Wenn die Baseline Dual Speed Hub Einheit in einer Stapel mit anderen
SuperStack II Hub Einheiten eingebaut werden soll, muß die Baseline Dual
Speed Hub Einheit unter die schmaleren Hub Einheiten eingebaut werden.
■
Das Gerät nicht an eine Wechselstromsteckdose anschließen, die nicht
geerdet ist.
■
Das Gerät muß an eine geerdete Steckdose angeschlossen werden, die die
internationalen Sicherheitsnormen erfüllt.
■
Der Gerätestecker (der Anschluß an das Gerät, nicht der
Wandsteckdosenstecker) muß eine passende Konfiguration für einen
Geräteeingang gemäß EN60320/IEC320 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 IEC 60950. Diese Bedingungen sind nur
gegeben, wenn auch die an das Gerät angeschlossenen Geräte unter
SELV-Bedingungen betrieben werden.
■
Nur ein 3Com
Advanced Redundant Power System (3C16070, 3C16071 or
3C16071A)
an den
Redundant Power System
Anschluß anschließen.
Stromkabel
Dies muss von dem Land, in dem es benutzt wird geprüft werden:
S
AFETY
I
NFORMATION
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
10A.
■
The attachment plug must be an earth-grounding type with a
NEMA 5-15P (15A, 125V) or NEMA 6-15P (15A, 250V)
configuration.
United
Kingdom
■
The supply plug must comply with BS1363 (3-pin 13-amp) and
be fitted with a 5A 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).
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.
C
ONSIGNES
I
MPORTANTES
DE
S
ÉCURITÉ
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).
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).
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.
W
ICHTIGE
S
ICHERHEITSINFORMATIONEN
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”).
Schweiz
■
Dieser Stromstecker muß die SEV/ASE 1011Bestimmungen
einhalten.
5
This warranty applies to customers located in the United States, Australia, Canada (except
Quebec), Ireland, New Zealand, U.K., and other English language countries, and countries
for which a translation into the local language is not provided.
SuperStack
®
II Baseline Dual Speed Hub
Hardware
3Com warrants to the end user ("Customer") that this hardware product will be free
from defects in workmanship and materials, under normal use and service, for the
following length of time from the date of purchase from 3Com or its authorized
reseller:
Lifetime, for as long as the original Customer owns the product (not transferable to a
subsequent end user).
3Com's sole obligation under this express warranty shall be, at 3Com's option and
expense, to repair the defective product or part, deliver to Customer an equivalent
product or part to replace the defective item, or if neither of the two foregoing
options is reasonably available, 3Com may, in its sole discretion, refund to Customer
the purchase price paid for the defective product. All products that are replaced will
become the property of 3Com. Replacement products or parts may be new or
reconditioned. 3Com warrants any replaced or repaired product or part for ninety (90)
days from shipment, or the remainder of the initial warranty period, whichever is
longer.
Software
3Com warrants to Customer that each software program licensed from it, except as
noted below, will perform in substantial conformance to its program specifications, for
a period of ninety (90) days from the date of purchase from 3Com or its authorized
reseller. 3Com warrants the media containing software against failure during the war-
ranty period. No updates are provided, unless specifically included in the Included Ser-
vices section. 3Com's sole obligation under this express warranty shall be, at 3Com's
option and expense, to refund the purchase price paid by Customer for any defective
software product, or to replace any defective media with software which substantially
conforms to applicable 3Com published specifications. Customer assumes responsibil-
ity for the selection of the appropriate applications program and associated reference
materials. 3Com makes no warranty or representation that its software products will
meet Customer's requirements or work in combination with any hardware or applica-
tions software products provided by third parties, that the operation of the software
products will be uninterrupted or error free, or that all defects in the software prod-
ucts will be corrected. For any third party products listed in the 3Com software prod-
uct documentation or specifications as being compatible, 3Com will make reasonable
efforts to provide compatibility, except where the non-compatibility is caused by a
"bug" or defect in the third party's product or from use of the software product not
in accordance with 3Com's published specifications or user manual.
THIS 3COM PRODUCT MAY INCLUDE OR BE BUNDLED WITH (1) THIRD PARTY SOFT-
WARE, OR (2) 3COM SOFTWARE THAT IS LICENSED "AS IS", THE USE OF WHICH IS
GOVERNED BY A SEPARATE END USER LICENSE AGREEMENT. THIS 3COM WAR-
RANTY DOES NOT APPLY TO SUCH THIRD PARTY SOFTWARE OR 3COM SOFTWARE
LICENSED "AS IS". FOR THE APPLICABLE WARRANTY, PLEASE REFER TO THE END
USER LICENSE AGREEMENT GOVERNING THE USE OF SUCH SOFTWARE OR THE
ACCOMPANYING DOCUMENTATION RELATING TO SUCH SOFTWARE.
Year 2000 Warranty
In addition to the Hardware Warranty and Software Warranty stated above, 3Com
warrants that each product sold or licensed to Customer on and after January 1, 1998
that is date sensitive will continue performing properly with regard to such date data
on and after January 1, 2000, provided that all other products used by Customer in
connection or combination with the 3Com product, including hardware, software,
and firmware, accurately exchange date data with the 3Com product, with the
exception of those products identified at 3Com's Web site,
http://www.3com.com/products/yr2000.html, as not meeting this standard. If it
appears that any product that is stated to meet this standard does not perform
properly with regard to such date data on and after January 1, 2000, and Customer
notifies 3Com within ninety (90) days after purchase of the product from 3Com or its
authorized reseller, 3Com shall, at its option and expense, provide a software update
which would effect the proper performance of such product, repair such product,
deliver to Customer an equivalent product to replace such product, or if none of the
foregoing is feasible, refund to Customer the purchase price paid for such product.
Any software update or replaced or repaired product will carry a Year 2000 Warranty
for ninety (90) days after purchase.
Obtaining Warranty Service
Customer must contact a 3Com Corporate Service Center or an Authorized 3Com
Service Center within the applicable warranty period to obtain warranty service
authorization. Dated proof of purchase from 3Com or its authorized reseller may be
required. Products returned to 3Com's Corporate Service Center must be
pre-authorized by 3Com with a User Service Order (USO) number (or a Return
Material Authorization (RMA) number or a Service Repair Order (SRO) number,
whichever was issued) marked on the outside of the package, and sent prepaid and
packaged appropriately for safe shipment, and it is recommended that they be insured
or sent by a method that provides for tracking of the package. Responsibility for loss
or damage does not transfer to 3Com until the returned item is received by 3Com.
The repaired or replaced item will be shipped to Customer, at 3Com's expense, not
later than thirty (30) days after 3Com receives the defective product, and 3Com will
retain risk of loss or damage until the item is delivered to Customer.
3Com shall not be responsible for any software, firmware, information, or memory
data of Customer contained in, stored on, or integrated with any products returned to
3Com for repair, whether under warranty or not.
Dead- or Defective-on-Arrival. In the event a product completely fails to function or
exhibits a defect in materials or workmanship within the first forty-eight (48) hours of
installation but no later than thirty (30) days after the date of purchase, and this is verified
by 3Com, it will be considered dead- or defective-on-arrival (DOA) and a replacement shall
be provided prior to 3Com receiving the defective product, but only if Customer provides
a purchase order number, credit card number, or other method of payment acceptable to
3Com, to be used if 3Com needs to charge Customer for the replacement, as explained
below. The replacement product will normally be shipped not later than three (3) business
days after 3Com's verification of the DOA product, but may be delayed due to export or
import procedures. The shipment of a replacement product prior to 3Com receiving the
defective product is subject to local legal requirements and may not be available in all
locations. When such a replacement is provided and Customer fails to return the original
product to 3Com within fifteen (15) days after shipment of the replacement, 3Com will
charge Customer for the replacement product, at list price.
Shipment of a Replacement Prior to 3Com Receiving the Defective Product is
provided for five (5) years, after which time it may be available for a specified fee, but
in either case only if Customer provides a purchase order number, credit card number,
or other method of payment acceptable to 3Com, to be used if 3Com needs to
charge Customer for the replacement, as explained below. 3Com will make
commercially reasonable efforts to ship the replacement product not later than five (5)
business days after receiving the request for a replacement, but may be delayed due
to product availability or export or import procedures. The shipment of a replacement
product prior to 3Com receiving the defective product is subject to local legal
requirements and may not be available in all locations. When such a replacement is
provided and Customer fails to return the original product to 3Com within fifteen (15)
days after shipment of the replacement, 3Com will charge Customer for the
replacement, at list price. This replacement prior to 3Com receiving the defective
product is different from the fee-based Advance Hardware Replacement Service,
which is available as a contracted service offering.
Included Services
3Com's Electronic Support Services, available at no charge, include 3Com
Knowledgebase, information on known bugs, documentation, release notes, and
publicly available software and firmware upgrades. 3Com reserves the right to modify
or cancel this offering at any time, without advance notice.
Telephone Technical Support, with coverage for basic troubleshooting only, will be
provided at no additional charge for ninety (90) days from the date of purchase, on a
commercially reasonable efforts basis. Telephone support is provided by 3Com only if
Customer purchased this product directly from 3Com, or if Customer's reseller is
unable to provide telephone support. To qualify for this telephone technical support,
Customer must register on the 3Com Web site at http://support.3Com.com/index.htm,
and state the date of purchase, product number, and serial number. 3Com's response
to a request for telephone technical support will be in the form of a return call from a
3Com representative by close of business the following business day, defined as 9
a.m. to 5 p.m., local time, Monday through Friday, excluding local holidays. Please
refer to the Technical Support appendix in the User Guide for telephone numbers.
Software Updates, All software and firmware upgrades and the latest code for this
product downloaded through the 3Com Software Library.
Warranties Exclusive
I
F A 3COM PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE, CUSTOMER'S SOLE
REMEDY FOR BREACH OF THAT WARRANTY SHALL BE REPAIR, REPLACEMENT, OR
REFUND OF THE PURCHASE PRICE PAID, AT 3COM'S OPTION. TO THE FULL EXTENT
ALLOWED BY LAW, THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND
ARE IN LIEU OF ALL OTHER WARRANTIES, TERMS, OR CONDITIONS, EXPRESS OR IMPLIED,
EITHER IN FACT OR BY OPERATION OF LAW, STATUTORY OR OTHERWISE, INCLUDING
WARRANTIES, TERMS, OR CONDITIONS OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE, SATISFACTORY QUALITY, CORRESPONDENCE WITH DESCRIPTION,
AND NON-INFRINGEMENT, ALL OF WHICH ARE EXPRESSLY DISCLAIMED. 3COM NEITHER
ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER
LIABILITY IN CONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE OR USE OF ITS
PRODUCTS.
3COM SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND
EXAMINATION DISCLOSE THAT THE ALLEGED DEFECT OR MALFUNCTION IN THE
PRODUCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER'S OR ANY THIRD
PERSON'S MISUSE, NEGLECT, IMPROPER INSTALLATION OR TESTING, UNAUTHORIZED
ATTEMPTS TO OPEN, REPAIR OR MODIFY THE PRODUCT, OR ANY OTHER CAUSE
BEYOND THE RANGE OF THE INTENDED USE, OR BY ACCIDENT, FIRE, LIGHTNING,
POWER CUTS OR OUTAGES, OTHER HAZARDS, OR ACTS OF GOD.
Limitation of Liability
TO THE FULL EXTENT ALLOWED BY LAW, 3COM ALSO EXCLUDES FOR ITSELF AND
ITS SUPPLIERS ANY LIABILITY, WHETHER BASED IN CONTRACT OR TORT (INCLUDING
NEGLIGENCE), FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE
DAMAGES OF ANY KIND, OR FOR LOSS OF REVENUE OR PROFITS, LOSS OF BUSINESS,
LOSS OF INFORMATION OR DATA, OR OTHER FINANCIAL LOSS ARISING OUT OF OR
IN CONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE, USE,
PERFORMANCE, FAILURE, OR INTERRUPTION OF ITS PRODUCTS, EVEN IF 3COM OR
ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES, AND LIMITS ITS LIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THE
PURCHASE PRICE PAID, AT 3COM'S OPTION. THIS DISCLAIMER OF LIABILITY FOR
DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF
ITS ESSENTIAL PURPOSE.
Disclaimer
Some countries, states, or provinces do not allow the exclusion or limitation of implied
warranties or the limitation of incidental or consequential damages for certain
products supplied to consumers, or the limitation of liability for personal injury, so the
above limitations and exclusions may be limited in their application to you. When the
implied warranties are not allowed to be excluded in their entirety, they will be limited
to the duration of the applicable written warranty. This warranty gives you specific
legal rights which may vary depending on local law.
Governing Law
This Limited Warranty shall be governed by the laws of the State of California, U.S.A.,
and by the laws of the United States, excluding their conflicts of laws principles. The
United Nations Convention on Contracts for the International Sale of Goods is hereby
excluded in its entirety from application to this Limited Warranty.
3Com Corporation
5400 Bayfront Plaza
P.O. Box 58145
Santa Clara, CA 95052-8145
(408) 326-5000
May, 2000
3Com reserves the right to modify or cancel this offering at any time, without
advance notice. This offering is not available where prohibited or restricted by law.
L
IFETIME
L
IMITED
W
ARRANTY
6
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 with respect 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.
CSA Statement
This Class A digital apparatus meets all requirements of the Canadian
Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du
Règlement sur le matériel brouilleur du Canada.
VCCI Statement
BSMI Statement
The following numbers may be used for technical support:
E
LECTRO
-M
AGNETIC
C
OMPATIBILITY
T
ECHNICAL
S
UPPORT
Country Telephone Number Country Telephone Number
Asia, Pacific Rim
Australia
Hong Kong
India
Indonesia
Japan
Malaysia
New Zealand
Pakistan
Philippines
1 800 678 515
800 933 486
+61 2 9937 5085
001 800 61 009
0031 61 6439
1800 801 777
0800 446 398
+61 2 9937 5085
1235 61 266 2602
P. R . o f C h in a
Singapore
S. Korea
From anywhere in S. Korea:
From Seoul:
Taiw an, R .O .C .
Thailand
10800 61 00137 or
021 6350 1590
800 6161 463
00798 611 2230
(0)2 3455 6455
0080 611 261
001 800 611 2000
Europe
From anywhere in Europe, call: +31 (0)30 6029900 phone
+31 (0)30 6029999 fax
Europe, South Africa, and Middle East
From the following countries, you may use the toll-free numbers:
Austria
Belgium
Denmark
Finland
France
Germany
Hungary
Ireland
Israel
Italy
0800 297468
0800 71429
800 17309
0800 113153
0800 917959
0800 1821502
00800 12813
1800 553117
1800 9453794
1678 79489
Netherlands
Norway
Poland
Portugal
South Africa
Spain
Sweden
Switzerland
U.K.
0800 0227788
800 11376
00800 3111206
0800 831416
0800 995014
900 983125
020 795482
0800 55 3072
0800 966197
Latin America
Argentina
Brazil
Chile
Colombia
AT&T +800 666 5065
0800 13 3266
1230 020 0645
98012 2127
Mexico
Peru
Puerto Rico
Venezuela
01 800 CARE (01 800 2273)
AT&T +800 666 5065
800 666 5065
AT&T +800 666 5065
North America
1 800 876-3266
7
The SuperStack II Baseline Dual Speed Hub is part of the extensive SuperStack II
range of 3Com products. This range includes hubs, switches, power systems
and other networking equipment, and is continually being developed. Contact
your supplier for the latest product information and to order these products.
Product Registration
You can now register your SuperStack II Switch on the 3Com web site to
receive up-to-date information on your product:
http://www.3com.com/productreg/pdd
Feedback
Your suggestions are very important to us. They will help make our
documentation more useful to you. Please e-mail comments about this
document to 3Com at:
Please include the following information when commenting: the document
title, part number (shown at the bottom of page 8), and page number, if
appropriate.
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.
© 3Com Technologies, 2000.
All rights reserved. No part of this
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 permission from 3Com Technologies.
3Com Technologies reserves the right to revise this documentation 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 this documentation without warranty of any kind,
either implied or expressed, including, but not limited to, the implied
warranties of merchantability 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 Centre, Boundary Way, Maylands Park South, Hemel
Hempstead, Herts, HP2 7YU, U.K.
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 copyright laws of the
United States.
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.
Other brand and product names may be registered trademarks or trademarks
of their respective holders.
P
RODUCTS
L
EGAL
N
OTICES
8
Part Number: DUA1659-2AAA03
Revision: 00
Published: March 2000
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3com 3C16593A Manuel utilisateur
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