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Glossary
IEEE 802.11a
Infrastructure
Local Area Network (LAN)
MAC
MAC Address
Orthogonal Frequency
Division Multiplexing
(OFDM)
Open System
Power Over Ethernet (PoE)
RTS Threshold
Service Set Identifier
(SSID)
96
A wireless standard that supports high-speed communications
in the 5 GHz band using Orthogonal Frequency Division
Multiplexing (OFDM). The standard supports data rates of 6,
12, 24, and 54 Mbps.
An integrated wireless and wired LAN is called an
infrastructure configuration.
Local Area Network: A group of interconnected computer and
support devices.
Media Access Control: The lower of the two sub-layers of the
data link layer defined by the IEEE. The MAC sub-layer
handles access to shared media, such as whether token
passing or contention will be used.
Standardized data link layer address that is required for every
port or device that connects to a LAN. Other devices in the
network use these addresses to locate specific ports in the
network and to create and update routing tables and data
structures. MAC addresses are 6bytes long and are controlled
by the IEEE.
Orthogonal Frequency Division Multiplexing: OFDM allows
multiple users to transmit in an allocated band by dividing the
bandwidth into many narrow bandwidth carriers.
A security option for the SU-A-EZ which broadcasts a beacon
signal including the configured SSID. Wireless clients can read
the SSID from the beacon, and automatically reset their SSID
to allow immediate connection to the nearest SU-A-EZ.
Power over Ethernet: A specification for providing both power
and data to low-power network devices using a single Category
5 Ethernet cable. PoE provides greater flexibility in the locating
of Wi²s and network devices, and significantly decreased
installation costs.
Transmitters contending for the medium may not be aware of
each other. RTS/CTS mechanism can solve this "Hidden Node
Problem." If the packet size is smaller than the preset RTS
Threshold size, the RTS/CTS mechanism will NOT be enabled.
An identifier that is attached to packets sent over the wireless
LAN and functions as a password for joining a particular radio
cell; i.e., Basic Service Set (BSS).
SU-A-EZ Manual
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