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NP5400 11g Wireless Access Point User Guide Page 29
mIRC mIRC runs under Windows and provides a graphical
interface for logging onto IRC servers and listing, joining and
leaving channels.
Network Mask also known as the "Subnet Mask."
OFDM Developed for wireless applications, Orthogonal Frequency
Division Multiplexing (OFDM) technology offers superior
performance-increased data rates and more reliable
transmissions-than previous technologies, such as DSSS.
OFDM is a scheme in which numerous signals of different
frequencies are combined to form a single signal for
transmission on the medium. OFDM works by breaking one
high-speed data stream into a number of lower-speed data
streams, which are then transmitted in parallel. Each lower
speed stream is used to modulate a subcarrier. Essentially,
this creates a multi-carrier transmission by dividing a wide
frequency band or channel into a number of narrower
frequency bands or sub-channels. OFDM is also used for
other applications, including powerline networking.
Plug-and-Play The ability of a computer system to configure expansion
boards and other devices automatically without requiring the
user to turn off the system during installation.
Roaming In an infrastructure mode wireless network, this refers to the
ability to move out of one access point's range and into
another and transparently reassociate and reauthenticate to
the new access point. This reassociation and
reauthentication should occur without user intervention and
ideally without interruption to network connectivity. A
typical scenario would be a location with multiple access
points, where users can physically relocate from one area to
another and easily maintain connectivity.
SSID (Service Set Identifier) - An identification name that wireless
devices use to make connections. In order for wireless
devices to communicate, they must all be set to the same
channel and they all must use the same SSID. For instance, if
you are using an access point to connect two computers
using wireless devices, the access point and each of the
wireless devices must use the same SSID. Even if they are
set to the same channel, they cannot communicate unless the
SSID is the same.
Static IP Address A permanent IP address that is assigned to a node in a TCP/
IP network.