User's Guide

66
GlobeSurfer
®
III User guide
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 station.
• DHCPDynamicHostCongurationProtocol.TheDynamicHostConguration
Protocol is used to configure IP addresses and applicable information dynami-
cally. 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 ad-
dresses 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 de-
fined 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
ow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
®
III.
• FTP File Transfer Protocol (FTP) regulates file transfers on the Internet.
• GPRS General Packet Radio Service. An enhancement to the GSM mobile
communications system that supports data packets. GPRS enables continuous
owsofIPdatapacketsoverthesystemforsuchapplicationsasWebbrows-
ing and file transfer.
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