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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, OTHER HAZARDS, 
OR ACTS OF GOD.

L

IMITATION

 

OF

 L

IABILITY

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.

D

ISCLAIMER

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.

G

OVERNING

 L

AW

This Limited Warranty shall be governed by the laws of the State of California, U.S.A. excluding 
its conflicts of laws principles and excluding the United Nations Convention on Contracts for 
the International Sale of Goods.

3Com Corporation
5400 Bayfront Plaza
Santa Clara, CA  95054
(408) 326-5000

Summary of Contents for 3C16753 - OfficeConnect Dual Speed Hub 8

Page 1: ...fficeConnect Dual Speed Hub 5 3C16755 Dual Speed Hub 8 3C16753 Dual Speed Hub 16 3C16754 User Guide OfficeConnect Dual Speed Hub 5 3C16755 Dual Speed Hub 8 3C16753 Dual Speed Hub 16 3C16754 User Guide...

Page 2: ...chever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide...

Page 3: ...ection to Another Hub 15 Checking Hub Connections 15 Spot Checks 15 Problem Solving 16 Networking Terminology 18 Dimensions and Standards 19 Dimensions and Operating Conditions 19 Standards 19 Environ...

Page 4: ...4...

Page 5: ...Speed Hubs are easy to use Class II hubs repeaters with 10 100BASE TX ports All three hubs allow you to set up a network with both Ethernet 10Mbps and Fast Ethernet 100Mbps workstations and other dev...

Page 6: ...e next piece of network equipment is OK If the LED is flashing the link is OK and data is being received If the LED is off nothing is connected or the connected device is switched off or there is a pr...

Page 7: ...connecting another hub to port 8 set to Uplink in otherwise set to Normal out Refer to Connecting Another OfficeConnect Hub on page 13 Note For Dual Speed Hub5 substitute port 5 for port 8 WARNING RJ...

Page 8: ...nd 10Mbps segments of your network are being used Power 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 100M 10M Collision 1 10 40 80 Port Status Network Utilization OfficeConnect Dual Speed Hub 16 10M 100M Gr...

Page 9: ...mme prise de t l phone Branchez uniquement des connecteurs de donn es RJ 45 sur ces prises femelles Power Adapter socket Only use the power adapter that is supplied with this OfficeConnect Dual Speed...

Page 10: ...rts designed for workstation connections have been marked with the graphical symbol x This denotes a crossover in the port s internal wiring for example 1x 2x 3x Twisted Pair TP Cables To connect your...

Page 11: ...he fastening pieces are pointing downwards 3 Align the fastening pieces over the slots found on each side of the unit 4 Push the clip down gently to secure it ensuring the fastening pieces snap into t...

Page 12: ...he cooling vents When wall mounting the unit ensure that it is within reach of the power outlet You need two suitable screws Ensure that the wall you are going to use is smooth flat dry and sturdy Mak...

Page 13: ...appropriate RJ 45 port When the connector is fully in its latch locks it in to place To disconnect the cable push the connector s latch in and remove it The Hub detects all port connections so you can...

Page 14: ...nfiguration Rules and Example of a Fast Ethernet 100Mbps Network Ethernet 10Mbps Configuration Rules You can connect a maximum of four Ethernet 10Mbps hubs in series between workstations or between a...

Page 15: ...Set the Uplink Normal switch for the Uplink Normal port on the Dual Speed Hub to Uplink in Checking Hub Connections When you have connected all the appropriate workstations and other equipment to the...

Page 16: ...ps Port Status LED lit for a port with a 100Mbps device connected This may be because the cable is not of a high enough quality to carry Fast Ethernet signals we recommend you use a Category 5 cable o...

Page 17: ...17 Figure 6 Straight through Cable Crossover Cable...

Page 18: ...ipment are connected by more than one path Your hub detects this and partitions isolates one of its ports to break the loop A segment is the length of cable connected to a port Packets are the units o...

Page 19: ...0068 IEC 68 Refer to Regulatory Statements on page 31 for conditions of operation 220mm 8 7in 35 8mm 1 4in 135 4mm 5 3in 3 VA 10 24 BThU hr power requirement 0 to 90 non condensing humidity 0 to 40 C...

Page 20: ...zed 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 electro...

Page 21: ...e unit and easily accessible You can only remove power from the unit by disconnecting the power adaptor from the outlet This unit operates under SELV Safety Extra Low Voltage conditions according to I...

Page 22: ...rgung des Ger ts kann nur durch Herausziehen des Ger tenetzkabels aus der Netzsteckdose unterbrochen werden Der Betrieb dieses Ger ts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gem...

Page 23: ...ile Vous ne pouvez mettre l appareil hors circuit qu en d branchant son cordon lectrique au niveau de cette prise L appareil fonctionne une tension extr mement basse de s curit qui est conforme la nor...

Page 24: ...e Web Site To access the latest networking information on the 3Com Corporation World Wide Web site enter this URL into your Internet browser http www 3com com This service provides access to online su...

Page 25: ...ages Details about recent configuration changes if applicable If you are unable to contact your network supplier see the following section on how to contact 3Com Support from 3Com If you are unable to...

Page 26: ...7 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...

Page 27: ...bia 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 Coun...

Page 28: ...9900 31 30 6029999 Latin America 1 408 326 2927 1 408 326 3355 From the following countries you may call the toll free numbers select option 2 and then option 2 Austria Belgium Denmark Finland France...

Page 29: ...al 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...

Page 30: ...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 INTER...

Page 31: ...elocate 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...

Page 32: ...Part No DUA1675 1AAA05 Published May 2001 32...

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