3Com 3C16704A - OfficeConnect TP4 Hub Support and Manuals
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User Guide - Page 1
OfficeConnect® Ethernet Hub 4, 4C, 8, 8C
User Guide (3C16704A, 3C16703A, 3C16700A, 3C16701A)
User Guide - Page 2
... may make changes in conjunction with which they are associated. Microsoft, MS-DOS, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Novell and NetWare are registered trademarks of Novell, Inc. Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number (DUA1670-0AAA04) and, if appropriate, the page number. If there is any...
User Guide - Page 4
Consignes importantes de sécurité 29 Technical Support 30 Online Technical Services 30 World Wide Web Site 30 3Com Knowledgebase Web Services 30 Support from Your Network Supplier 31 Support from 3Com 31 Returning Products for Repair 34 3Com Corporation Limited Warranty 35 Electromagnetic Compatibility 38
4
User Guide - Page 5
...has four 10BASE-T ports.
s The Ethernet Hub 8C has eight 10BASE-T ports and a
ninth 10BASE-2 port.
5 The OfficeConnect® product range from 3Com has changed this guide uses the term 'OfficeConnect hub'. They are ideal for desktop use the OfficeConnect hubs. The hubs have similar features and so this user guide contains general and specific information. INTRODUCTION
Welcome to the...
User Guide - Page 6
... additional OfficeConnect hubs to your hub, you can use transceivers. This denotes a crossover in the next section is 50m (164ft). The maximum length you need :
s An AUI cable. s A 10Mbps Ethernet transceiver for the chosen media type. 3Com produce a range of easy to your workstations.
3 One straight-through TP cable for example, Netware or Windows 95/98) with...
User Guide - Page 9
... an: s OfficeConnect Ethernet Hub 8 or 8C
When you have connected your equipment, you suspect there is a problem, refer to firmly secure a stack of electrical noise such as radios, transmitters and broadband amplifiers. Positioning Your Hub
When installing your OfficeConnect hub, ensure:
s It is out of direct sunlight and away from 3Com, is the OfficeConnect Mounting Unit (part number 3C16765...
User Guide - Page 14
... a problem, refer to "Problem Solving for the top hub (the one with port 4 not connected to find out if there are problems with your network
s Case vents are not, check your hubs, power... hub to Uplink (in) except for the Hub 4 and 4C" on . This is set to Normal (out). Maximum length of each hub.
2 Set all Uplink/Normal switches to port 3 of the hub immediately above. Connecting Hubs ...
User Guide - Page 15
...next. Perform these actions first:
s Ensure all equipment is incorrectly set. Do not use . Link between two OfficeConnect hubs not working. The LED will be yellow). If this would cause... PROBLEM SOLVING FOR THE HUB 4 AND 4C
The OfficeConnect hub has been designed to aid you may have a faulty power adapter which needs replacing with the hub. This is not being used. s Power off the hubs...
User Guide - Page 16
Check that the Uplink/Normal switch is a problem with this connection.
Refer to Figure 6 below to compare the wiring of a straight-through
TxD+ 1 TxD- 2 RxD+ 3 RxD- 6
1 TxD+ 2 TxD3 RxD+ 6 RxD-
There is set to Normal (out).
If the cable is connected to port 4, ensure ... Port Status LED not lit for a 10BASE-T port that the equipment being connected to the hub is not damaged.
User Guide - Page 22
...needs only one connection to aid you may have a faulty power adapter which needs replacing with the hub.
With 10BASE-T it is likely a terminator (end piece) is not properly fitted;...These problems are rarely serious, the cause is a loop in which has caused this port to partition. PROBLEM SOLVING FOR THE HUB 8 AND 8C
The OfficeConnect hub has been designed to your OfficeConnect hub....
User Guide - Page 23
...Tx+
4
5
6 Tx-
7
8
23 Port Status LED not lit for a 10BASE-T port that the equipment being connected to the hub is powered on and operating correctly. Check that the Uplink/Normal switch is not damaged. Figure 9 Straight-through and a crossover cable. There... at both ends, and is set to Normal (out).
If the cable is a problem with this connection. Rx+
2
2
Rx+
Rx-
3
3
Tx-
User Guide - Page 30
...
Information contained in 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 you access the 3Com Corporation World Wide Web site.
This service gives all 3Com customers and partners complementary, round-the-clock access to maintenance and...
User Guide - Page 31
... supplier for assistance, have the following information ready:
s Product model name, part number, and serial number.
If you contact 3Com for assistance, have the following section on how to provide a variety of services, including network planning, installation, hardware maintenance, application training, and support services. To find out more about recent configuration changes, if...
User Guide - Page 35
...duration of the warranty for the OfficeConnect Ethernet Hub 4, 4C, 8, 8C (3C16704A, 3C16703A, 3C16700A, 3C16701A) is feasible, refund to Customer the purchase price paid for such product.
Replacement products may be
35
HARDWARE
3Com warrants this express warranty shall be, at 3Com's option and expense, to repair the defective product or part, deliver to Customer an equivalent product...
User Guide - Page 36
... than thirty (30) days after shipment of the replacement, 3Com will charge Customer for the replacement product, at list price.
3Com shall not be responsible for any software, firmware, information, or memory data of Customer contained in the User Guide for repair, whether under warranty or not. WARRANTIES EXCLUSIVE
IF A 3COM PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE, CUSTOMER...
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