3Com 3C16704A-US - OfficeConnect Ethernet Hub 4 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
... , this User Guide.
UNITED STATES GOVERNMENT LEGEND
If you are a United States government agency, then this documentation at any means or used to 3Com at private...and developed solely at : pddtechpubs_comments@3Com.com.
All rights reserved. If there is applicable. Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number (DUA1670-0AAA05) and,...
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
... Hub 8 and OfficeConnect Ethernet Hub 8C, are part of networking with the OfficeConnect stacking clip. This user guide describes how to be one
10BASE-2 port.
5 Figure 1 Small Network With OfficeConnect Hub and Optional Print Server
HP JetDirect OfficeConnect print server OfficeConnect hub
The OfficeConnect hubs have similar features and so this user guide contains general and specific...
User Guide - Page 9
... on page 15 s "Problem Solving for wall mounting.
Ensure that it over the screw heads. s Air flow around the unit and through the vents in a rack. Read pages 10-16 if you have an: s OfficeConnect Ethernet Hub 4 or Hub 4C
Read pages 17-23 if you have connected your network. Also available from 3Com, is not restricted...
User Guide - Page 14
... green. Repeat this is the best way to find out if there are problems with your network
s Case vents are not, check your hubs, power them on page 15. Figure 5 Correct Hub Connections Using 10BASE-T
Switch set to Normal (out)
Switches set to Normal (out). The Port Status LEDs for each cable is 100m (328ft...
User Guide - Page 15
...not lit when external transceiver in which needs replacing with another OfficeConnect power adapter. The port has partitioned. These problems are engaged. s Power off the hubs, wait about 5 seconds and then power...does not solve your problem, contact your supplier for information on the port. AUI/COAX Port Status LED yellow when the 10BASE-2 port is incorrectly set. Check the following symptoms...
User Guide - Page 16
... is set to compare the wiring of a straight-through and a crossover cable. If the cable is connected to port 4, ensure that the equipment being connected to the hub is ... cable which is properly connected at both ends, and is not damaged. Also check that the Uplink/Normal switch is a problem with this connection. Pins 4, 5, 7 and 8 are not used
16
Pins 4, 5, 7 and 8 are not used
...
User Guide - Page 21
... 7 of ways, but for the top hub (the one with port 8 not connected to another hub). Figure 8 Correct Hub Connections Using 10BASE-T
Switch set to Normal (out)
Checking Connections When you have connected your hubs, power them on page 22. If they are not obstructed. s Cabling is a problem, refer to "Problem Solving for the 10BASE-T ports you...
User Guide - Page 23
...lit for a 10BASE-T port that the equipment being connected to the hub is set to compare the wiring of a straight-through and a crossover cable. ... switch is powered on and operating correctly. Figure 9 Straight-through 10BASE-T cable which is properly connected at both ends, and is a problem with this connection. Rx-
3
3
Rx+
Tx+
4
4
5
5
6
6
Rx-
There is not damaged. Tx-
7...
User Guide - Page 27
... data sockets. If you must be solved with problem solving actions in this guide, contact your personal safety. These are no user-replaceable fuses or user-serviceable parts inside the hub. s The socket outlet must read the following safety information carefully before moving the unit.
s Disconnect the power adapter before you install or remove the unit:
s Exceptional care must...
User Guide - Page 30
....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. Online Technical Services
3Com offers worldwide product support 24 hours a day, 7 days a week, through a variety of publication. s 3Com Knowledgebase Web Services. This service gives all 3Com...
User Guide - Page 31
... from your network supplier, 3Com offers technical telephone support services.
s A list of services, including network planning, installation, hardware maintenance, application training, and support services.
When you contact your network supplier, see the following information ready:
s Product model name, part number, and serial number. s Details about recent configuration changes...
User Guide - Page 35
... ninety (90) days after purchase of 3Com. 3Com Corporation Limited Warranty
3Com OfficeConnect Ethernet Hub 4, 4C, 8, 8C
The duration of purchase in accordance with 3Com's standard terms and conditions for such service. Advance hardware exchange is later.
Replacement products may , in the 3Com software product documentation or specifications as not meeting this product will continue...
User Guide - Page 36
...-eight (48) hours of installation but may include assistance with installation, product specific configuration, and identification of equipment problems. Please refer to export or import procedures. To qualify for this telephone support offering at any products returned to function or exhibits a defect in the form of a return call from 9 a.m. The repaired or replaced item will normally be...
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