3Com OfficeConnect 3C16733A Page 17 User Manual Download | Manualshive

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

Check that you are using a ‘straight-through’

cable which is properly connected at both ends, and is not
damaged. Refer to “Twisted Pair (TP) Cables” on page 11.
Also check that the equipment connected to the Switch is
powered on, operating correctly and contains the correct
type of connection. Refer to Figure 5 below to compare the
wiring of a straight-through and a crossover cable.

Figure 5

Straight-through Cable/Crossover Cable

3C16734_Booklet.book Page 17 Monday, February 21, 2000 4:47 PM

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Summary of Contents for OfficeConnect 3C16733A

Page 1: ...OfficeConnect Dual Speed Switch 4 Switch 8 and Switch 16 User Guide 3C16733A 3C16734B 3C16735B 3C16734_Booklet book Page i Monday February 21 2000 4 47 PM ...

Page 2: ...en this documentation and the software described herein 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 ...

Page 3: ...nnections 15 Spot Checks 15 Problem Solving 16 Networking Terminology 18 Dimensions and Standards 19 Dimensions and Operating Conditions 19 Standards 19 Environmental Statements 20 End Of Life Statement 20 Regulated Materials Statement 20 Environmental Statement about the Documentation 20 Environmental Statement about the Product Packaging 20 Important Safety Information 21 Wichtige Sicherheitshin...

Page 4: ...4 3C16734_Booklet book Page 4 Monday February 21 2000 4 47 PM ...

Page 5: ...16 3C16735B allows your network to be segmented so that traffic can be contained effectively reducing the overall load without affecting access to critical resources When referring to the Switch 4 Switch 8 and Switch 16 this guide uses the term Switch The Switch is ideal for use with other OfficeConnect products as shown in Figure 1 It is compact and attractively designed for desktop use The Switc...

Page 6: ...6 CREATING YOUR NETWORK Dual Speed Switch 4 Front 3C16734_Booklet book Page 6 Monday February 21 2000 4 47 PM ...

Page 7: ...7 Dual Speed Switch 8 and Dual Speed 16 Front 3C16734_Booklet book Page 7 Monday February 21 2000 4 47 PM ...

Page 8: ...8 All Units Rear 3C16734_Booklet book Page 8 Monday February 21 2000 4 47 PM ...

Page 9: ...rts like a repeater hub This operation is called switching The Switch effectively divides up your network localizing the network traffic and passing on traffic as necessary as shown in Figure 2 If you have workstations that communicate frequently in the same part of the network traffic between them is not passed on unnecessarily to the remainder of the network thereby reducing the load If you have...

Page 10: ...ns because it maintains 10BASE T connections to them Before You Start Your OfficeConnect Dual Speed Switch comes with One power adapter for use with the Switch A Product Registration card for you to fill in and return Four rubber feet A stacking clip Two unit labels and eight cable ties An OfficeConnect Network Assistant CD ROM The extra parts mentioned in the next section are not supplied with th...

Page 11: ...or 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 hubs and workstations to the Switch you must use straight through TP cables with RJ 45 connectors all OfficeConnect products use RJ 45 type connectors Your supplier should stock suitable cables A straight through ...

Page 12: ...nting 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 the slots on the unit To fit another unit 1 Rest the second unit on top of the clip and align it with the front of the unit below 2 Press down gently on the unit to secure it onto the clip ensuring the fastening pieces fit into ...

Page 13: ...all 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 Make two screw holes which are 142mm 5 6in apart Use the guide on page 31 to mark the position of the holes Fix the screws into the wall leaving their heads 3mm 0 12in clear of the wall surface Remove any connections to the un...

Page 14: ...ipment connected to the Switch does not support auto negotiation or if it has been disabled it must be configured to operate in half duplex mode If you are using the highest number port port 4 on Switch 4 port 8 on Switch 8 port 16 on Switch 16 to connect a workstation ensure the Uplink Normal switch is set to Normal out The Switch detects all port connections so you can start using your network i...

Page 15: ...re not check your connections and the settings of the Uplink Normal switches Figure 4 Correct Connections for an OfficeConnect Hub Spot Checks At frequent intervals visually check that The Alert LED is off this is the best way to find out if there are problems with your network Case vents are not obstructed Cabling is secure and not pulled taut 3C16734_Booklet book Page 15 Monday February 21 2000 ...

Page 16: ...ollow the information given in the Connecting OfficeConnect Units to Your Switch section on page 14 It is likely that an Uplink Normal switch is incorrectly set Alert LED continuously lit If the Alert LED is lit there is a problem with the network Remove the port connections one at a time waiting a few seconds between each port If the Alert LED goes off there is either a network loop or an excessi...

Page 17: ...maged Refer to Twisted Pair TP Cables on page 11 Also check that the equipment connected to the Switch is powered on operating correctly and contains the correct type of connection Refer to Figure 5 below to compare the wiring of a straight through and a crossover cable Figure 5 Straight through Cable Crossover Cable 3C16734_Booklet book Page 17 Monday February 21 2000 4 47 PM ...

Page 18: ...onnectors for connecting your TP network A network loop occurs when two pieces of network equipment are connected to each other by two seperate connections A segment is the length of cable connected to a port Packets are the units of information your workstations and other equipment send to each other over the network A frame is the data part of the packet and can be unicast sent to a single devic...

Page 19: ...802 3u Safety UL 1950 EN 60950 CSA 22 2 950 IEC60950 EMC EN 55022 Class B EN 55024 FCC Part 15 Class B ICES 003 Class B VCCI Class B CNS 13438 Class A Environmental EN 60068 IEC 68 Refer to Regulatory Notices on page 31 for conditions of operation 3C16734_Booklet book Page 19 Monday February 21 2000 4 47 PM ...

Page 20: ...proving 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 ...

Page 21: ...n 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 950 The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions There are no user replaceable fuses or user serviceable parts inside the Switch If you have a physical problem with th...

Page 22: ...h Herausziehen des Gerätenetzkabels aus der Netzsteckdose unterbrochen werden Der Betrieb dieses Geräts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gemäß IEC 950 Diese Bedingungen sind nur gegeben wenn auch die an das Gerät angeschlossenen Geräte unter SELV Bedingungen betrieben werden Es sind keine von dem Benutzer zu ersetzende oder zu wartende Teile in dem Gerät vorhanden Wenn...

Page 23: ...areil 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 CEI 950 Ces conditions ne sont maintenues que si l équipement auquel il est raccordé fonctionne dans les mêmes conditions Il n y a pas de parties remplaceables par les utilisateurs ou entretenues par les utilisateurs à l i...

Page 24: ...t 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 support information such as technical documentation and software as well as support options that range from technical education to maintenance and professional services 3Com Knowledgebase Web Services This interactive tool contains ...

Page 25: ...figuration 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 obtain assistance from the 3Com online technical resources or from your network supplier 3Com offers technical telephone support services To find out more about your support options call the 3Com technical telephone support phon...

Page 26: ...63 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 180...

Page 27: ...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 Country Telephone Number Country Telephone Number 3C16734_Booklet book Page 27 Monday February 21 2000 4 47 PM ...

Page 28: ...ica 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 Germany Hungary Ireland Israel Italy Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U K 0800 297468 0800 71429 800 17309 0800 113153 0800 917959 0800 1821502 00800 12813 1800553117 1800 9453794 1678 7948...

Page 29: ...ons or user manual 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 th...

Page 30: ... 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 ACC...

Page 31: ...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 Consult the dealer or an experienced radio television technician for help CSA STATEMENT This Class B digital apparatus meets all requirements of the Canadian I...

Page 32: ...Part No DUA1673 4AAA05 Published March 2000 32 3C16734_Booklet book Page 32 Monday February 21 2000 4 47 PM ...

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