3Com 3C16751A User Manual Download

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OfficeConnect

Dual Speed Hub 16

User Guide (3C16751A)

3C16751_booklet.book Page i Tuesday, July 13, 1999 11:29 AM

Summary of Contents for 3C16751A

Page 1: ...OfficeConnect Dual Speed Hub 16 User Guide 3C16751A 3C16751_booklet book Page i Tuesday July 13 1999 11 29 AM...

Page 2: ...ng 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...

Page 3: ...cks 13 Problem Solving 14 Networking Terminology 16 Dimensions and Standards 17 Dimensions and Operating Conditions 17 Standards 17 Environmental Statements 18 End Of Life Statement 18 Regulated Mater...

Page 4: ...4 3C16751_booklet book Page 4 Tuesday July 13 1999 11 29 AM...

Page 5: ...xteen 10 100BASE TX ports It allows you to set up a network with both Ethernet 10Mbps and Fast Ethernet 100Mbps workstations and other devices a Class II hub can be connected to another Fast Ethernet...

Page 6: ...ision LEDs yellow Flash each time a collision is detected on the Hub s 100Mbps or 10Mbps segment Collisions are a normal part of network operation Network Utilization LEDs green yellow orange top row...

Page 7: ...to any workstation or other equipment that has a 10BASE T or 100BASE TX port Each port is capable of autosensing for 10Mbps or 100Mbps operation 10 100BASE TX 16 8X 1X 9X Uplink Normal switch Affects...

Page 8: ...dard ports 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 conne...

Page 9: ...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...

Page 10: ...nting 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 14...

Page 11: ...s fully in its latch locks it in place To disconnect the cable push the connector s latch in and remove it The Hub detects all port connections so you can start using your network immediately If you n...

Page 12: ...et 10Mbps hubs in series between workstations or between a workstation and a non repeater piece of equipment such as a switch Each cable must not exceed 100m 328ft An example is shown in Figure 4 Figu...

Page 13: ...nt to the Hub power on the Hub For each port with a connection a Port Status LED should be on If the port is operating at 100Mbps the corresponding LED in the upper row of Port Status LEDs is on If th...

Page 14: ...due to a problem with the network card NIC of the attached equipment Alert LED continuously lit There is a problem with the network Check the Port Status LEDs to try to identify the port that is causi...

Page 15: ...t 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 8 Also check that the equipment...

Page 16: ...han 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 of information your workstation...

Page 17: ...y 5 screened cables must be used to ensure compliance with the Class B requirements of this standard The use of unscreened cables category 3 or category 5 complies with the Class A requirements Refer...

Page 18: ...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 Mater...

Page 19: ...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 950 The conditions are only...

Page 20: ...h Herausziehen des Ger tenetzkabels aus der Netzsteckdose unterbrochen werden Der Betrieb dieses Ger ts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gem IEC 950 Diese Bedingungen sind...

Page 21: ...ppareil 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 norme CEI 950 Ces conditions ne...

Page 22: ...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 tech...

Page 23: ...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 3...

Page 24: ...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 count...

Page 25: ...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 T...

Page 26: ...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 Israe...

Page 27: ...m makes no warranty or representation that its software products will meet Customer s requirements or work in combination with any hardware or applications software products provided by third parties...

Page 28: ...date of purchase product number and serial number 3Com reserves the right to modify or cancel this telephone support offering at any time without advance notice This offer is not available where prohi...

Page 29: ...s 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 loc...

Page 30: ...e 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 out...

Page 31: ...31 Wall mounting screw hole guide 142mm 5 6in 3C16751_booklet book Page 31 Tuesday July 13 1999 11 29 AM...

Page 32: ...Part No DUA 1675 1AAA02 Published June 1999 32 3C16751_booklet book Page 32 Tuesday July 13 1999 11 29 AM...

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