3Com 3C16700 - OfficeConnect 8/TPO Hub Support and Manuals
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User Manual - 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 Manual - Page 5
...-2 port.
5
s The Ethernet Hub 4C has four 10BASE-T ports, a
10BASE-2 port and an AUI port. 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 information. The hubs have the following ports: s The Ethernet Hub...
User Manual - Page 6
... you need extra equipment.
The extra equipment listed in the port's internal wiring, for the chosen media type. 3Com produce a range of easy to install network adapter cards, which provide your equipment. 3Com produce a range of easy to use is not provided with the OfficeConnect hub. This denotes a crossover in the next section is 50m (164ft...
User Manual - Page 9
.... Positioning Your Hub
When installing your OfficeConnect hub. s Cabling is away from 3Com, is not restricted.
We recommend you suspect there is smooth, flat, dry and sturdy. When wall mounting your hub): s "Problem Solving for the Hub 4 and 4C" on page 22
9
Use the template at the back of this guide to create your network, using your OfficeConnect hub, ensure:
s It...
User Manual - Page 14
...
s Case vents are not, check your hubs, power them on page 15. The Port Status LEDs for the 10BASE-T ports you suspect there is a problem, refer to "Problem Solving for the Hub 4 and 4C" on . Connecting Hubs Using 10BASE-T
You can be connected to a workstation provided that the Uplink/Normal switch is set to
Uplink (in)
AUI UNpolrimnkal
4
Checking...
User Manual - Page 15
... replacing with the hub. AUI/COAX Port Status LED not lit when external transceiver in your OfficeConnect hub. The port has partitioned. s Power off the hubs, wait about 5 seconds and then power on . Examine your power adapter connection. this would cause the Coax Port Status LED to the external transceiver. Check the AUI cable is powered on the hubs. PROBLEM SOLVING FOR THE HUB...
User Manual - Page 21
...). If you have connected your connections. If the 10BASE-2 port is the best way to find out
if there are problems with your network. Maximum length of the hub immediately above. Figure 8 Correct Hub Connections Using 10BASE-T
Switch set to Uplink (in )
Switch set to another hub). Repeat this is not used should be green.
If they...
User Manual - Page 22
... remove the
loop. 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. Check the following symptoms and solutions:
Power LED not lit. Alert LED continuously lit. Link between two OfficeConnect hubs not working. this port to your power adapter connection. Perform...
User Manual - Page 23
... connected to the hub is set to compare the wiring of a straight-through Cable/Crossover Cable
Normal
port
Pin
1
Rx+
2 Rx-
3 Tx+
4
5
6 Tx-
7
8
Uplink Normal
Pin
port
port
Pin
1
1
Rx-
Port Status LED not lit for a 10BASE-T port that you are using a straight-through 10BASE-T cable which is properly connected at both ends, and is a problem with this...
User Manual - Page 27
... you have a physical problem with the unit that is connected also operates under SELV (Safety Extra Low Voltage) conditions according to IEC 950. Follow all directions carefully.
s Only stack the OfficeConnect hub with the unit.
If you must be taken during installation and removal of the unit. These are no user-replaceable fuses or user-serviceable parts inside the...
User Manual - Page 30
... 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. TECHNICAL SUPPORT
3Com provides easy access to maintenance and professional services.
3Com Knowledgebase Web Services
This interactive tool contains technical...
User Manual - Page 31
... suppliers are authorized 3Com service partners who are qualified to contact your support options, call the 3Com technical telephone support phone number at the location nearest you. s Diagnostic error messages.
Support from 3Com
If you require additional assistance, contact your network supplier for assistance, have the following information ready:
s Product model name, part number, and...
User Manual - Page 35
... carry a Year 2000 Warranty for the OfficeConnect Ethernet Hub 4, 4C, 8, 8C (3C16704A, 3C16703A, 3C16700A, 3C16701A) is available during the warranty period. Replacement products may be warranted for the lifetime limited warranty and the advance hardware exchange you must contact a 3Com Corporate Service Center or an Authorized 3Com Service Center within the applicable warranty period to...
User Manual - Page 36
... within the first forty-eight (48) hours of installation but may include assistance with installation, product specific configuration, and identification of equipment problems. Please refer to requests for telephone technical support will be in the User Guide for telephone numbers.
Dead- pre-authorized by 3Com with a Return Material Authorization (RMA) number marked on the outside...
User Manual - Page 37
...certain products supplied to consumers, or the limitation of liability for personal injury, so the above limitations and exclusions may be limited in their application to you specific legal ...rights which may vary depending on Contracts for the International Sale of Goods. 3Com Corporation 5400 Bayfront Plaza Santa Clara, CA 95054...
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