3Com 3C16792 - OfficeConnect Dual Speed Switch 16 Support and Manuals
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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 6
... I Need?
s A Product Registration card for example 1x, 2x, 3x... s An OfficeConnect Network Assistant CD-ROM. In order to comply with the 10BASE-T standard, ports designed for the chosen media type. 3Com produce a range of easy to use is not provided with network support configured, running on your workstations.
3 One straight-through TP cable for...
User Guide - Page 9
... for the Hub 4 and 4C" on to use is within reach of the case is the OfficeConnect Mounting Unit (part number 3C16765). When in line, gently push the hub on page 15 s "Problem Solving for wall mounting. s Air flow around the unit and through the vents in a rack. You need two suitable screws.
s Water...
User Guide - Page 12
... ports, simply add more OfficeConnect hubs.
When the connector is set to Normal (out). This is not connected to the 10BASE-2 port, the port partitions and the Coax Status LED lights yellow.
If the AUI port ...straight-through TP cable, ensure the Uplink/Normal switch is fully in and remove it . You can use .
If you do not use the 10BASE-2 port, you do this. Connect one end of...
User Guide - Page 14
... suspect there is not being used and is not terminated and
the AUI port is a problem, refer to Uplink (in Figure 5:
1 Starting from the bottom, connect the port 4 of the lower hub to port 3 of each hub.
2 Set all Uplink/Normal switches to "Problem Solving for each cable is 100m (328ft)
s Cabling is the best way to...
User Guide - Page 15
... hub. this section does not solve your problem, contact your supplier for information on the port. Check your OfficeConnect hub. Each piece of your network (over 80%) or, more likely, a 10BASE-T port has partitioned due to a loop in your network which needs replacing with the hub. AUI/COAX Port Status LED not lit when external transceiver...
User Guide - Page 16
...
TxD+ 1 TxD- 2 RxD+ 3 RxD- 6
1 TxD+ 2 TxD3 RxD+ 6 RxD- Pins 4, 5, 7 and 8 are not used
16 Refer to Figure 6 below to the hub is powered on and operating correctly. There is a problem with this connection. If the cable is connected to port 4, ensure that has a connection. Pins 4, 5, 7 and 8 are not used
Crossover
TxD+ 1 TxD- 2 RxD...
User Guide - Page 21
... Normal (out)
Checking Connections When you have connected your connections. s Case vents are problems with port 8 not connected to another hub). This unused port can connect hubs together with 10BASE-T in a number of each hub.
2 Set all Uplink/Normal switches to Normal (out). If they are not, check your hubs, power them on page 22...
User Guide - Page 22
... faulty power adapter which needs replacing with another OfficeConnect power adapter. These problems are rarely serious, the cause...OfficeConnect hub. Port Status LED yellow for information on .
With 10BASE-2 it is likely an Uplink/Normal switch is correct operation. Alert LED continuously lit.
Each piece of equipment needs only one connection to your hub. This is incorrectly set...
User Guide - Page 23
...-through 10BASE-T cable which is properly connected at both ends, and is set to port 8, ensure that the Uplink/Normal switch is not damaged.
If the cable is connected to Normal (out).
Rx+
2
2
Rx+
Rx-
3
3
Tx- Port Status LED not lit for a 10BASE-T port that the equipment being connected to compare the wiring of a straight...
User Guide - Page 27
... with other OfficeConnect units. s Disconnect the power adapter before you install or remove the unit:
s Exceptional care must be solved with the unit. They cannot be near to these sockets.
27 You must read the following safety information carefully before moving the unit.
These are no user-replaceable fuses or user-serviceable parts inside the...
User Guide - Page 30
... Corporation World Wide Web site, enter this section is correct at : http://knowledgebase.3com.com. s 3Com Knowledgebase Web Services. Online Technical Services
3Com offers worldwide product support 24 hours a day, 7 days a week, through a variety of publication. This section describes these services.
World Wide Web Site
To access the latest networking information on the World Wide Web at...
User Guide - Page 31
..., have the following information ready:
s Product model name, part number, and serial number. When you .
When you contact your network supplier. s Details about recent configuration changes, if applicable.
31 s Diagnostic error messages.
To find out more about your network supplier, 3Com offers technical telephone support services.
s A list of system hardware and software...
User Guide - Page 35
...may be warranted for such service. Any software update or replaced or repaired product will be new or reconditioned. 3Com warrants any defective
media with 3Com's standard terms and conditions for a period of one (1) year without advance hardware exchange. 3Com Corporation Limited Warranty
3Com OfficeConnect Ethernet Hub 4, 4C, 8, 8C
The duration of the warranty for ninety (90) days from...
User Guide - Page 36
... may include assistance with telephone technical support for any time, without advance notice. This OfficeConnect® product comes with installation, product specific configuration, and identification of Customer's product purchase. The ninety (90) day period begins on -Arrival. to 3Com for repair, whether under warranty or not. WARRANTIES EXCLUSIVE
IF A 3COM PRODUCT DOES NOT OPERATE AS...
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