User's Manual Part 2

GLOSSARY 111
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 the
location of the DNS server your ISP has assigned.
DSL modem DSL stands for digital subscriber line. A DSL modem uses your existing
phone lines to send and receive data at high speeds.
Encryption A method for providing a level of security to wireless data transmissions.
The OfficeConnect Cable/DSL Router and Cable/DSL Router uses two
levels of encryption; 40/64 bit and 128 bit. 128 bit is a more powerful
level of encryption than 40/64 bit.
ESSID Extended Service Set Identifier. The ESSID is a unique identifier for your
wireless network. You must have the same ESSID entered into the Router
and each of it's wireless clients.
Ethernet A LAN specification developed jointly by Xerox, Intel and Digital
Equipment Corporation. Ethernet networks use CSMA/CD to transmit
packets at a rate of 10 Mbps over a variety of cables.
Ethernet Address See MAC address.
Fast Ethernet An Ethernet system that is designed to operate at 100 Mbps.
Firewall Electronic protection that prevents anyone outside of your network from
seeing your files or damaging your computers.
Full Duplex A system that allows packets to be transmitted and received at the same
time and, in effect, doubles the potential throughput of a link.
Router A device that acts as a central hub by connecting to each computer's
network interface card and managing the data traffic between the local
network and the Internet.
Half Duplex A system that allows packets to transmitted and received, but not at the
same time. Contrast with full duplex.