3Com Router WL-602 User Manual

Access Software Downloads149
Contact your authorized 3Com reseller or 3Com for additional product 
and support information. See the table of access numbers later in this 
appendix.
Access Software 
DownloadsYou are entitled to bug fix / maintenance releases for the version of 
software that you initially purchased with your 3Com product. To obtain 
access to this software, you need to register your product and then use 
the Serial Number as your login. Restricted Software is available at:...

150APPENDIX E: OBTAINING SUPPORT FOR YOUR3COM PRODUCTS
To send a product directly to 3Com for repair, you must first obtain a 
return materials authorization number (RMA). Products sent to 3Com 
without authorization numbers clearly marked on the outside of the 
package will be returned to the sender unopened, at the sender’s 
expense. If your product is registered and under warranty, you can obtain 
an RMA number online at http://eSupport.3com.com/. First-time users 
must apply for a user name and...

Contact Us151
You can also obtain support in this region using this URL:
http://emea.3com.com/support/email.html
You can also obtain non-urgent support in this region at these email addresses:
Technical support and general requests: [email protected]
Return material authorization: [email protected]
Contract requests: [email protected]
Latin America — Telephone Technical Support and Repair
Antigua
Antigua Barbuda
Argentina
Aruba
Bahamas
Barbados
Belize
Bermuda
Bolivia
Brasil
Brasil...

152APPENDIX E: OBTAINING SUPPORT FOR YOUR3COM PRODUCTS 

GLOSSARY
802.11bThe IEEE specification for wireless Ethernet which allows speeds of up to 
11 Mbps. The standard provides for 1, 2, 5.5 and 11 Mbps data rates. 
The rates will switch automatically depending on range and environment.
802.11gThe IEEE specification for wireless Ethernet which allows speeds of up to 
54 Mbps. The standard provides for 6, 12, 24, 36, 48 and 54 Mbps data 
rates. The rates will switch automatically depending on range and 
environment.
802.11nThe IEEE specification for wireless...

154GLOSSARY
access point. It offers lower performance than infrastructure mode, which 
is the mode the router uses. (see also Infrastructure mode.) 

GLOSSARY155
Auto-negotiationSome devices in the range support auto-negotiation. Auto-negotiation is 
where two devices sharing a link, automatically configure to use the best 
common speed. The order of preference (best first) is: 100BASE-TX full 
duplex, 100BASE-TX half duplex, 10BASE-T full duplex, and 10BASE-T 
half duplex. Auto-negotiation is defined in the IEEE 802.3 standard for 
Ethernet and is an operation that takes place in a few milliseconds.
BandwidthThe information capacity, measured in bits...

156GLOSSARY
DNS Server AddressDNS stands for Domain Name System, which allows Internet host 
computers to have a domain name (such as 3com.com) and one or more 
IP addresses (such as 192.34.45.8). A DNS server keeps a database of 
host computers and their respective domain names and IP addresses, so 
that when a domain name is requested (as in typing “3com.com” into 
your Internet browser), the user is sent to the proper IP address. The DNS 
server address used by the computers on your home network is...

GLOSSARY157
HubA device that regenerates LAN traffic so that the transmission distance of 
that signal can be extended. Hubs are similar to repeaters, in that they 
connect LANs of the same type; however they connect more LANs than a 
repeater and are generally more sophisticated.
IEEEInstitute of Electrical and Electronics Engineers. This American 
organization was founded in 1963 and sets standards for computers and 
communications.
IETFInternet Engineering Task Force. An organization responsible for...

158GLOSSARY
LANLocal Area Network. A network of end stations (such as PCs, printers, 
servers) and network devices (hubs and switches) that cover a relatively 
small geographic area (usually not larger than a floor or building). LANs 
are characterized by high transmission speeds over short distances (up to 
1000 metres).
MACMedia Access Control. A protocol specified by the IEEE for determining 
which devices have access to a network at any one time.
MAC AddressMedia Access Control Address. Also called...