Option Audio Globe surfer II, User Manual

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36 GLOSSARY
802.11b WLAN standard. Provides a transmission speed of up to 11 Mbps in the 2.4 GHz
band.
802.11g WLAN standard. Provides transmission speeds of up to 54 Mbps (typically 22 Mbps)
in the 2.4 GHz band. Is considered a successor of, and is compatible with, 802.11b.
Enables high-speed data access from up to 100 meters distance from the base sta-
tion.
DHCP Dynamic Host Configuration Protocol. The Dynamic Host Configuration Protocol is
used to configure IP addresses and applicable information dynamically. Instead of a
fixed IP address, DHCP clients receive their IP address from a central DHCP server.
DNS Domain Name System. Internet service that is used to assign IP addresses to the
corresponding readable domain name and vice versa.
Dynamic DNS Dynamic Domain Name System. Provides assignment of dynamic IP addresses to
fixed domain names.
EDGE Enhanced Data rates for Global Evolution. An enhancement to GSM that increases
data throughput.
Ethernet The most widely used local area network (LAN) access method defined by the IEEE
as the 802.3 standard. Originally developed by Xerox to link minicomputers in the
Palo Alto Research Centre.
Firewall Technology in the form of hardware or software that controls the flow of data
between a private and an unprotected network (LAN and Internet, respectively) or
protects an internal network from attacks from the Internet.
Firmware Pre-installed software to operate GlobeSurfer®II.
FTP File Transfer Protocol (FTP) regulates file transfers on the Internet.
GPRS General Packet Radio Service. An enhancement to the GSM mobile communica-
tions system that supports data packets. GPRS enables continuous flows of IP data
packets over the system for such applications as Web browsing and file transfer.
GSM Global System for Mobile Communications. A digital cellular phone technology
that is the predominant system in Europe, but is also used around the world.
Operating in the 900MHz and 1.8GHz bands in Europe and the 1.9GHz PCS band in
the US.
HSDPA High Speed Down-link Packet Access. An enhancement to 3G technology that
increases the down-link speed.
HTTP Hypertext Transfer Protocol is a service protocol to transmit documents between
servers or from a server to a client. Is mainly used on the Internet, or the World
Wide Web.
IP address The IP address identifies every device connected to the Internet through an address
that is unique.
Pass-phrase A pass-phrase is used as an encryption password and is generally longer than an
ordinary password and may contain letters and numbers.
LAN Local Area Network. Local computer connection that has few or no connections to
the outside world.
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