3Com 3C16700-US - Hub - 8 Ports Support and Manuals
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User Manual - Page 5
... are part of networking with 3Com® . A single OfficeConnect hub allows you need to connect more workstations, simply use the stacking clip to connect another OfficeConnect hub to form a stack (each hub is crucial. If you to create a small network with the OfficeConnect stacking clip. s The Ethernet Hub 4C has four 10BASE-T ports, a
10BASE-2 port and an AUI port. This user guide describes...
User Manual - Page 6
... OfficeConnect hub comes with: s One power adapter for every workstation, as shown in Figure 2. s An OfficeConnect Network Assistant CD-ROM.
Transceiver Connections
If you can use is not provided with the OfficeConnect hub. s A 10Mbps Ethernet transceiver for workstation connections have been marked with the 10BASE-T standard, ports designed for the chosen media type. 3Com produce...
User Manual - Page 11
...13. Connecting a transceiver automatically disables the 10BASE-2 port.
If used to connect your hub to any other OfficeConnect hubs and equipment with 10BASE-2 cabling.
You can connect the OfficeConnect hub to other adapter. Refer to the hub. POWER
Uplink
Normal
4
1x
COAX
AUI
10BASE-2 port (Hub 4C only) Can be connected to "Connecting Hubs Using 10BASE-2" on page 14.
11...
User Manual - Page 12
... a standard AUI cable. If the AUI port is not used and a terminator is set to the AUI port on quickly. Connecting Workstations and Other Equipment to your network by adding more OfficeConnect hubs.
Connect one end of workstations that can use . CAUTION: Do not power the hub off and on the hub's rear panel.
When the connector is...
User Manual - Page 14
...secure and not pulled taut
14 Repeat this is a problem, refer to "Problem Solving for the 10BASE-T ports you have connected your hubs, power them on page 15. If they are not obstructed
...AUI
1x
correct operation. This is set 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 Uplink...
User Manual - Page 15
... for a 10BASE-T port. 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 another OfficeConnect power adapter. Port Status LED yellow for your power adapter connection. s Power off the hubs, wait about 5 seconds and then power on the port. Link between two OfficeConnect hubs not working. Check...
User Manual - Page 16
...Crossover Cable
Straight-through 10BASE-T cable which is properly connected at both ends, and is powered on and operating correctly.
Check that the equipment being connected to compare the wiring of...Refer to Figure 6 below to the hub is not damaged. Pins 4, 5, 7 and 8 are not used
16 There is set to Normal (out). If the cable is connected to port 4, ensure that has a connection. ...
User Manual - Page 18
...to another OfficeConnect hub. Uplink/Normal
8
1x
POWER
COAX
Power Adapter socket Only use any workstation or piece of port 8.
If used, it is supplied with RJ-45 connectors. Ethernet Hub 8 and 8C-Rear
10BASE-2 port (Hub 8C only) Can be used to link to "Connecting Hubs Using 10BASE-2" on page 20. Port 8 can connect the OfficeConnect hub to any other OfficeConnect hubs and...
User Manual - Page 19
... (out). When the connector is set to Your Hub
WARNING: Please read the 'Important Safety Information' section before you are using port 8 to connect to a workstation using 10BASE-T cables. CAUTION: Do not power the hub off and on quickly. Do not connect the same two hubs together using your network by adding more OfficeConnect hubs. You can start .
User Manual - Page 22
.... If this port to green, on receiving a valid packet on the hubs. It is likely that there is incorrectly set. With 10BASE-2 it is likely an Uplink/Normal switch is a loop in your OfficeConnect hub. PROBLEM SOLVING FOR THE HUB 8 AND 8C
The OfficeConnect hub has been designed to aid you may have a faulty power adapter which needs replacing with another OfficeConnect power adapter. If...
User Manual - Page 27
... use the power adapter that cannot be used as telephone sockets. s To ensure compliance with the unit that is connected also operates under SELV (Safety Extra Low Voltage) conditions according to the unit and easily accessible.
They cannot be solved with other OfficeConnect units.
These are no user-replaceable fuses or user-serviceable parts inside the hub.
s Only stack...
User Manual - Page 30
... on the World Wide Web at time of services. Online Technical Services
3Com offers worldwide product support 24 hours a day, 7 days a week, through a variety of publication. Located on the 3Com Corporation World Wide Web site, enter this section is correct at : http://knowledgebase.3com.com.
This section describes these services. Information contained in this URL into your Internet...
User Manual - Page 31
... revision levels.
Many suppliers are authorized 3Com service partners who are qualified to contact 3Com.
s Diagnostic error messages.
s Diagnostic error messages. s A list of services, including network planning, installation, hardware maintenance, application training, and support services. To find out more about your network supplier.
Support from Your Network Supplier
If you...
User Manual - Page 35
... product or part for the defective product. YEAR 2000 WARRANTY
In addition to the Hardware Warranty and Software Warranty stated above )
3Com's sole obligation under normal use of the software product not in accordance with 3Com's published specifications or user manual. Any software update or replaced or repaired product will make reasonable efforts to 3Com's Corporate Service Center must...
User Manual - Page 36
...return the original product to 3Com within the first forty-eight (48) hours of installation but may include assistance with telephone technical support for telephone technical support will normally be shipped to requests for ninety (90) days. This OfficeConnect® product comes with installation, product specific configuration, and identification of equipment problems. Please refer to...
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