V3.3.3
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GLOSSARY
802.11b
A Wireless Local Area Network (WLAN) standard. Provides a transmission speed of up to 11Mbps in
the 2.4 GHz band.
802.11g
A WLAN standard. Provides transmission speeds of up to 54Mbps (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.
Access Point
Used in WLANs to connect multiple wireless devices to one network.
Administrator
The Administrator (admin) has full access privileges to make changes to the Virgin Broadband
Management Console.
APN
Access Point Name. The name or address a mobile device can use to allow it to access the Internet
DHCP
Dynamic Host Configuration Protocol. The Dynamic Host Configuration Protocol is used to configure
IP addresses automatically and dynamically. Instead of a fixed IP address, DHCP clients receive their
IP address from a central DHCP server or in this case from the modem.
DNS
Domain Name System. Internet service that is used to assign IP addresses to the corresponding
readable domain name and vice versa. www.virginbroadband.com is easier to remember than
202.139.186.150
Dynamic DNS
Dynamic Domain Name System. Provides assignment of dynamic IP addresses to fixed domain
names. So if the server which is hosting the website is using DHCP, it may have varying IP’s, this will
point the changing IP to the fi xed website.
Ethernet
The most widely used local area network (LAN) access method defined by the IEEE as the 802.3
standard.
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 required for the Modem to operate.
FTP
File Transfer Protocol (FTP) is a commonly used protocol for exchanging files over any network that
support TCP/IP such as the Internet or your network at home.
GPRS
General Packet Radio Service (2.5G). An enhancement to the GSM mobile communications system
that supports data packets. GPRS enables continuous fl ows of IP data packets over the system for
such applications as Web browsing and fi le transfer.
GSM
Global System for Mobile Communications (2G). A digital cellular phone technology that is used
around the world, except for Japan and Korea. Operating in the 900MHz and 1.8GHz bands around
the world and the 1.9GHz PCS band in the US.