Installation guide

48 Altitude 300-2 Getting Started Guide
Terminology
Plenum (Hanging Ceiling) - The environmental air space above the ceiling tiles of a hanging ceiling.
Equipment in the plenum must be tested for fire resistance and low-smoke-producing characteristics.
PoE - Power Over Ethernet. This is an IEEE standard 802.3af that specifies how power is delivered over
Ethernet twisted pair cables.
RADIUS - Remote Authentication Dial-In User Service. A login and password server standard
originally developed for ISP telephone modem bank service accesses. RADIUS is now widely used for
any general login process.
Roaming - A wireless LAN mobile user moves around an ESS and maintains a continuous connection
to the infrastructure network.
RTS Threshold - 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.
Summit 300-48 - Extreme Networks 48 port 10/100 switch with four GBIC ports, PoE, and Altitude
300-2 configuration software.
UNII - Unlicensed National Information Infrastructure are regulated but unlicensed bands of frequency
in the region of 5 GHz. The amount of bandwidth available and their positions vary among the
regulator.
Wireless Port - An internetworking device that seamlessly connects wired and wireless networks.