User's Manual

Glossary
GL-4
Quick Start Guide: Cisco Aironet 1500 Series Lightweight Outdoor Mesh Access Point
78-17229-01
P
packet
A basic message unit for communication across a network. A packet usually includes routing
information, data, and sometimes error-detection information.
pole-top outdoor access
point (PAP)
A transceiver wirelessly connected to other pole-top access points (PAPs) and rooftop access
points (RAPs), which are connected to a wired Ethernet network.
power injector
A device that supplies DC power to another device over unused Ethernet cable wires.
R
range
A linear measure of the distance that a transmitter can send a signal.
receiver sensitivity
A measurement of the weakest signal a receiver can receive and still correctly translate it into data.
RF
Radio frequency. A generic term for radio-based technology.
rooftop outdoor access
point (RAP)
A wireless transceiver which is connected to a wired Ethernet network, and which then
communicates with other pole-top access points (PAPs) and rooftop access points (RAPs).
S
spread spectrum
A radio transmission technology that spreads the user information over a much wider bandwidth
than otherwise required in order to gain benefits such as improved interference tolerance and
unlicensed operation.
SSID
Service Set Identifier (also referred to as Radio Network Name). A unique identifier used to
identify a radio network and which stations must use to be able to communicate with each other
or an outdoor access point. The SSID can be any alphanumeric entry up to 32 characters.
T
transmit power
The power level of radio transmission.
U
UNII
Unlicensed National Information Infrastructure—regulations for UNII devices operating in the
5.15 to 5.35 GHz and 5.725 to 5.825 GHz frequency bands.
UNII-1
Regulations for UNII devices operating in the 5.15 to 5.25 GHz frequency band.
UNII-2
Regulations for UNII devices operating in the 5.25 to 5.35 GHz frequency band.